Official Paper

RRB JE ME 29 Aug 2019 (Shift 1) CBT 2 Official Paper (Previous Year Paper)

150 questions · 120 minutes · with answers · free

Attempt as Timed Mock Test

Test (150 questions)

1

Which of the following materials has nearly zero coefficient of expansion?

  1. ((a))

    Selenium

  2. ((b))

    Invar

  3. ((c))

    Silver

  4. ((d))

    Stainless steel

Show Answer
Answer: ((a))

Selenium

2

The distance from the joint root to the toe of the weld is called-

  1. ((a))

    Leg 

  2. ((b))

    Face

  3. ((c))

    Effective throat

  4. ((d))

    Actual throat

Show Answer
Answer: ((a))

Leg 

3

Which of the following statements about Ozone is true?

  1. ((a))

    All of the options 

  2. ((b))

    Ozone is highly reactive

  3. ((c))

    Ozone protects us from the harmful UV radiation of sun

  4. ((d))

    Ozone is the major constituent of photochemical smog

Show Answer
Answer: ((a))

All of the options 

4

Which network is able to connect to each computer through a common central line?

  1. ((a))

    Star

  2. ((b))

    Bus

  3. ((c))

    WAN 

  4. ((d))

    Router

Show Answer
Answer: ((a))

Star

5

Which of the following is endothermic process?

  1. ((a))

    Sublimation of dry ice

  2. ((b))

    Dilution of sulphuric acid

  3. ((c))

    Evaporation of water

  4. ((d))

    Both Sublimation of dry ice and Evaporation of water

Show Answer
Answer: ((a))

Sublimation of dry ice

6

Pre-planning stage in production planning and control includes which of the following activities?

  1. ((a))

    Inventory control 

  2. ((b))

    Quality control

  3. ((c))

    Demand forecasting

  4. ((d))

    Dispatching

Show Answer
Answer: ((a))

Inventory control 

7

What is the shortcut key to insert a new slide into the current presentation?

  1. ((a))

    Ctrl + N 

  2. ((b))

    Ctrl + F

  3. ((c))

    Ctrl + M 

  4. ((d))

    Ctrl + O

Show Answer
Answer: ((a))

Ctrl + N 

8

The demand rate for a particular item is 12000 units/year. The ordering cost is Rs.100 per order and the holding cost is Rs.0.80 per item per month. If no shortages are allowed and the replacement is instantaneous, then the economic order quantity is

  1. ((a))

    1500 units

  2. ((b))

    2000 units

  3. ((c))

    500 units

  4. ((d))

    1000 units

Show Answer
Answer: ((a))

1500 units

9

How long should a steel component be heat treated before nitriding?

  1. ((a))

    100-200 hours 

  2. ((b))

    300-500 hours

  3. ((c))

    5-20 hours 

  4. ((d))

    21-100 hours

Show Answer
Answer: ((a))

100-200 hours 

10

The process of splitting up of white light into seven constituent colours is called-

  1. ((a))

    Dispersion 

  2. ((b))

    Refraction

  3. ((c))

    Interference 

  4. ((d))

    Photosynthesis

Show Answer
Answer: ((a))

Dispersion 

11

Abdul Kalam served as the President of India during-

  1. ((a))

    2007–2012 

  2. ((b))

    1997–2002

  3. ((c))

    2002–2007 

  4. ((d))

    1992–1997

Show Answer
Answer: ((a))

2007–2012 

12

The amount of time elapsed from the moment an inventory replenishment order is placed and the moment the supplier delivers the goods is

  1. ((a))

    lead time

  2. ((b))

    cycle time

  3. ((c))

    take time

  4. ((d))

    order time

Show Answer
Answer: ((a))

lead time

13

Thermit is a mixture of fine aluminium powder and iron oxide in the ratio of about _____ by weight.

  1. ((a))

    2 : 1 

  2. ((b))

    3 : 1

  3. ((c))

    1 : 3 

  4. ((d))

    1 : 2

Show Answer
Answer: ((a))

2 : 1 

14

Creep, a high temperature progressive deformation, occurs in _____ stages.

  1. ((a))

    Five

  2. ((b))

    Four

  3. ((c))

    Three

  4. ((d))

    Two

Show Answer
Answer: ((a))

Five

15

Which of the following is used to check the diameters of holes?

  1. ((a))

    Plug gauge 

  2. ((b))

    Standard screw pitch gauge

  3. ((c))

    Fillet gauge 

  4. ((d))

    Slip gauge

Show Answer
Answer: ((a))

Plug gauge 

16

Where is Vansda National Park located?

  1. ((a))

    Assam 

  2. ((b))

    Punjab

  3. ((c))

    Uttarakhand 

  4. ((d))

    Gujarat

Show Answer
Answer: ((a))

Assam 

17

Ryder Cup is associated with which sport?

  1. ((a))

    Golf 

  2. ((b))

    Table Tennis

  3. ((c))

    Cricket 

  4. ((d))

    Hockey

Show Answer
Answer: ((a))

Golf 

18

Which of the following forces act(s) in a moving fluid? 

  1. ((a))

    Inertia force

  2. ((b))

    Viscous force

  3. ((c))

    Gravity force

  4. ((d))

    All of the options

Show Answer
Answer: ((a))

Inertia force

19

What is the full form of EBCDIC?

  1. ((a))

    Extended Binary Control Decimal Interchange Code

  2. ((b))

    Enhanced Binary Control Data Interchange Code

  3. ((c))

    Extended Binary Coded Decimal Interchange Code

  4. ((d))

    Enhanced Binary Coded Data Integration Code

Show Answer
Answer: ((a))

Extended Binary Control Decimal Interchange Code

20

Bagasse is used to produce-

  1. ((a))

    Manures 

  2. ((b))

    Fertilizers

  3. ((c))

    Papers 

  4. ((d))

    Soaps

Show Answer
Answer: ((a))

Manures 

21

Pascal's law states that pressure at a point is equal in all directions in a/an-

  1. ((a))

    Laminar flow 

  2. ((b))

    Inviscid flow

  3. ((c))

    Fluid at rest 

  4. ((d))

    Turbulent flow

Show Answer
Answer: ((a))

Laminar flow 

22

Which of the following gases is NOT used as shielding gas in arc welding?

  1. ((a))

    Helium 

  2. ((b))

    Argon

  3. ((c))

    Carbon dioxide 

  4. ((d))

    Carbon monoxide

Show Answer
Answer: ((a))

Helium 

23

The strain energy stored in a body, when the load is gradually applied, is :

(where σ = Stress in the material of the body, V = Volume of the body, and E = Modulus of elasticity of the material)

  1. ((a))

    σE/V 

  2. ((b))

    σ2E/2V

  3. ((c))

    σ2V/2E

  4. ((d))

    σV/E

Show Answer
Answer: ((a))

σE/V 

24

The Hoop stress developed in the thin cylinders is given by-

(where P = Internal pressure, d = Internal diameter and t =wall thickness)

  1. ((a))

    Pd/4t 

  2. ((b))

    Pd/3t

  3. ((c))

    Pd/2t 

  4. ((d))

    Pd/t

Show Answer
Answer: ((a))

Pd/4t 

25

The unit of modulus of rigidity is the same as those of-

  1. ((a))

    Stress, force and modulus of elasticity 

  2. ((b))

    Strain, force and pressure

  3. ((c))

    Stress, pressure and modulus of elasticity 

  4. ((d))

    Stress, strain and pressure

Show Answer
Answer: ((a))

Stress, force and modulus of elasticity 

26

How many types of optical flats are present?

  1. ((a))

    1

  2. ((b))

    2

  3. ((c))

    3

  4. ((d))

    4

Show Answer
Answer: ((a))

1

27

Montreal protocol is related to-

  1. ((a))

    Nuclear weapons 

  2. ((b))

    Protection of Wild Life

  3. ((c))

    Protection of Whales 

  4. ((d))

    Protection of Ozone layer

Show Answer
Answer: ((a))

Nuclear weapons 

28

Who was the captain of the West Indies team that was defeated by the Indian Cricket team in 1983 to win the Prudential World Cup?

  1. ((a))

    Viv Richards 

  2. ((b))

    Malcolm Marshall

  3. ((c))

    Richie Richardson

  4. ((d))

    Clive Lloyd

Show Answer
Answer: ((a))

Viv Richards 

29

The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis passing through center is ____

  1. ((a))

    20 cm4

  2. ((b))

    12 cm4

  3. ((c))

    9 cm4

  4. ((d))

    16 cm4

Show Answer
Answer: ((a))

20 cm4

30

Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to___

  1. ((a))

    Thrice the area of the triangle

  2. ((b))

    Twice the area of the triangle

  3. ((c))

    The area of the triangle

  4. ((d))

    Half the area of the triangle

Show Answer
Answer: ((a))

Thrice the area of the triangle

31

The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as ___

  1. ((a))

    Principle of independence of forces

  2. ((b))

    Principle of transmissibility of forces 

  3. ((c))

    Principle of resolution of forces

  4. ((d))

    All of the above

Show Answer
Answer: ((a))

Principle of independence of forces

32

Which of the following is/are a ferromagnetic material ?

  1. ((a))

    Nickel

  2. ((b))

    Copper

  3. ((c))

    Tungsten

  4. ((d))

    Aluminium

Show Answer
Answer: ((a))

Nickel

33

Which of the following cells have bold boundary in MS-Excel?

  1. ((a))

    Active cell

  2. ((b))

    Passive cell

  3. ((c))

    Mixed cell

  4. ((d))

    Relative cell

Show Answer
Answer: ((a))

Active cell

34

Which of the following is likely a characteristic of hazardous waste?

  1. ((a))

    Ignitability 

  2. ((b))

    Reactivity

  3. ((c))

    Corrosivity 

  4. ((d))

    All of the options

Show Answer
Answer: ((a))

Ignitability 

35

Litmus, a natural dye, is an extract of-

  1. ((a))

    China rose 

  2. ((b))

    Lichen

  3. ((c))

    Beet root 

  4. ((d))

    Blue berries

Show Answer
Answer: ((a))

China rose 

36

An XYZ television supplier found a demand of 200 sets in July, 225 sets in August and 245 sets in September. Find the demand forecast for the month for the month of October using simple average method.

  1. ((a))

    224

  2. ((b))

    200

  3. ((c))

    175

  4. ((d))

    150

Show Answer
Answer: ((a))

224

37

The gas in the cooling chamber of a closed cycle gas turbine is cooled at

  1. ((a))

    Constant volume

  2. ((b))

    Constant temperature

  3. ((c))

    Constant pressure

  4. ((d))

    None of these

Show Answer
Answer: ((a))

Constant volume

38

Where does the bubble rest on the scale when spirit level is placed horizontally?

  1. ((a))

    Right most 

  2. ((b))

    Centre

  3. ((c))

    Left most 

  4. ((d))

    Bottom

Show Answer
Answer: ((a))

Right most 

39

Inventory control and quality is involved in which of the following phases of production planning and control 

  1. ((a))

    Pre-planning stage

  2. ((b))

    Monitoring stage

  3. ((c))

    Planning stage

  4. ((d))

    Action stage

Show Answer
Answer: ((a))

Pre-planning stage

40

Which of the following terms is NOT related to the Internet?

  1. ((a))

    Browser

  2. ((b))

    Search engine

  3. ((c))

    Link 

  4. ((d))

    Mouse

Show Answer
Answer: ((a))

Browser

41

__________is a beam with one end fixed and the other end simply supported.

  1. ((a))

    Fixed beam

  2. ((b))

    Continuous beam

  3. ((c))

    Propped cantilever beam

  4. ((d))

    Over-hanged beam

Show Answer
Answer: ((a))

Fixed beam

42

How many divisions are graduated on the thimble of micrometer?

  1. ((a))

    15

  2. ((b))

    50

  3. ((c))

    25

  4. ((d))

    40

Show Answer
Answer: ((a))

15

43

Gauge pressure at a point is equal to _______.

  1. ((a))

    Absolute pressure - atmospheric pressure 

  2. ((b))

    Vacuum pressure + absolute pressure

  3. ((c))

    Vacuum pressure - atmospheric pressure 

  4. ((d))

    Absolute pressure + atmospheric pressure

Show Answer
Answer: ((a))

Absolute pressure - atmospheric pressure 

44

Which of the following is the hardest constituent of steel ?

  1. ((a))

    Austenite

  2. ((b))

    Ledeburite

  3. ((c))

    Bainite

  4. ((d))

    Martensite

Show Answer
Answer: ((a))

Austenite

45

Temperature inversion is a condition in which the temperature of the atmosphere-

  1. ((a))

    Either increases or decreases with altitude 

  2. ((b))

    Remains same

  3. ((c))

    Always decreases with altitude 

  4. ((d))

    Always increases with altitude

Show Answer
Answer: ((a))

Either increases or decreases with altitude 

46

In which state is the Tuirial Hydroelectric Power Project set up?

  1. ((a))

    Nagaland

  2. ((b))

    Manipur

  3. ((c))

    Meghalaya 

  4. ((d))

    Mizoram

Show Answer
Answer: ((a))

Nagaland

47

What is the angle between the two surfaces of an angle plate?

  1. ((a))

    45° 

  2. ((b))

    180°

  3. ((c))

    90° 

  4. ((d))

    120°

Show Answer
Answer: ((a))

45° 

48

An ammeter requires a change of 3 A in its coil to produce a change in deflection of the pointer by 12 mm. Its sensitivity is

  1. ((a))

    15 mm/A

  2. ((b))

    9 mm/A

  3. ((c))

    4 mm/A

  4. ((d))

    36 mm/A

Show Answer
Answer: ((a))

15 mm/A

49

The amount of time by which an activity can be delayed without affecting project completion time is

  1. ((a))

    Free float

  2. ((b))

    Total float 

  3. ((c))

    Independent float

  4. ((d))

    Activity float

Show Answer
Answer: ((a))

Free float

50

Which of the following materials has the maximum ductility?

  1. ((a))

    Tungsten

  2. ((b))

    Iron

  3. ((c))

    Nickel

  4. ((d))

    Aluminium

Show Answer
Answer: ((a))

Tungsten

51

Which of the following is NOT related to a spark ignition engine? 

  1. ((a))

    Ignition coil

  2. ((b))

    Spark plug 

  3. ((c))

    Fuel injector

  4. ((d))

    Carburettor

Show Answer
Answer: ((a))

Ignition coil

52

Grinding is used for-

  1. ((a))

    Surface finishing 

  2. ((b))

    Lancing

  3. ((c))

    Forming 

  4. ((d))

    Enlarging the holes

Show Answer
Answer: ((a))

Surface finishing 

53

Slack represents the difference between the-

  1. ((a))

    Proposed allowable time and the earliest expected time

  2. ((b))

    Normal allowable time and the latest expected time

  3. ((c))

    Latest allowable time and the normal expected time

  4. ((d))

    Latest allowable time and the earliest expected time

Show Answer
Answer: ((a))

Proposed allowable time and the earliest expected time

54

If the line of action of all the forces are along the same line, then the forces are said to be-

  1. ((a))

    Collinear forces 

  2. ((b))

    Coplanar concurrent forces

  3. ((c))

    Coplanar parallel forces 

  4. ((d))

    Non-coplanar non-concurrent forces

Show Answer
Answer: ((a))

Collinear forces 

55

The clearance ratio for a single stage compressor lies between

  1. ((a))

    15% and 20%

  2. ((b))

    1% and 2%

  3. ((c))

    20% and 30%

  4. ((d))

    4% and 10%

Show Answer
Answer: ((a))

15% and 20%

56

The frequency of a sound wave is 50 Hz and its wavelength is 4 m. What is the distance travelled by the sound wave in 3 s?

  1. ((a))

    100 m 

  2. ((b))

    600 m

  3. ((c))

    200 m

  4. ((d))

    300 m

Show Answer
Answer: ((a))

100 m 

57

A tool has the signature form as 8, 8, 5, 5, 6, 6, 1 as per American Standard Association. In this, 1 represents-

  1. ((a))

    Side relief angle 

  2. ((b))

    Back rake angle

  3. ((c))

    Side cutting edge 

  4. ((d))

    Nose radius

Show Answer
Answer: ((a))

Side relief angle 

58

Grain size ranging between 6 and 24 is considered-

  1. ((a))

    Coarse grain 

  2. ((b))

    Normal grain

  3. ((c))

    Very fine grain 

  4. ((d))

    Fine grain

Show Answer
Answer: ((a))

Coarse grain 

59

___________ is the process of making flat surfaces on a lathe.

  1. ((a))

    Facing 

  2. ((b))

    Boring

  3. ((c))

    Reaming 

  4. ((d))

    Drilling

Show Answer
Answer: ((a))

Facing 

60

The phenomenon of weld decay occurs in-

  1. ((a))

    Stainless steel 

  2. ((b))

    Aluminium

  3. ((c))

    Brass 

  4. ((d))

    Bronze

Show Answer
Answer: ((a))

Stainless steel 

61

What is the full form of CSIR?

  1. ((a))

    Council for Science and Industry Research 

  2. ((b))

    Center for Scientific and India Research

  3. ((c))

    Centre for Science and Industry Research 

  4. ((d))

    Council of Scientific and Industrial Research

Show Answer
Answer: ((a))

Council for Science and Industry Research 

62

The imaginary line drawn in the fluid in such a way that the tangent to any point gives the direction of motion at that point, is known as-

  1. ((a))

    Path line

  2. ((b))

    Stream line

  3. ((c))

    Streak line

  4. ((d))

    Potential line

Show Answer
Answer: ((a))

Path line

63

__________ is fitted on the top of cross slide and is used to support the tool post and the cutting tool.

  1. ((a))

    Tail stock 

  2. ((b))

    Compound rest

  3. ((c))

    Carriage 

  4. ((d))

    Saddle

Show Answer
Answer: ((a))

Tail stock 

64

What is the expansion of PWHT in welding?

  1. ((a))

    Postal Weld Horizontal Treatment

  2. ((b))

    Post Weld Heat Treatment

  3. ((c))

    Pre Weld Heating Torch

  4. ((d))

    Post Weld Heating Torch

Show Answer
Answer: ((a))

Postal Weld Horizontal Treatment

65

Which of the following properties is desirable in parts subjected to shock and impact loads?

  1. ((a))

    Brittleness

  2. ((b))

    Strength

  3. ((c))

    Toughness

  4. ((d))

    Stiffness

Show Answer
Answer: ((a))

Brittleness

66

A static fluid can have

  1. ((a))

    Positive normal stress and zero shear stress

  2. ((b))

    Zero normal stress and non-zero shear stress

  3. ((c))

    Non-zero normal stress and non-zero shear stress

  4. ((d))

    Positive normal stress and non-zero shear stress

Show Answer
Answer: ((a))

Positive normal stress and zero shear stress

67

The vertical and uniformly spaced lines on a psychrometric chart indicate

  1. ((a))

    Dry bulb temperature

  2. ((b))

    Wet bulb temperature

  3. ((c))

    Specific humidity 

  4. ((d))

    Dew point temperature

Show Answer
Answer: ((a))

Dry bulb temperature

68

What is the magnification produced by a spherical mirror?

  1. ((a))

    Ratio of height of the image to the height of the object

  2. ((b))

    Ratio of height of object to the height of image

  3. ((c))

    Ratio of object distance to the image distance 

  4. ((d))

    Ratio of focal length to radius of curvature

Show Answer
Answer: ((a))

Ratio of height of the image to the height of the object

69

Doberiener's system of classification into Triad was NOT found to be useful as he could identify only:

  1. ((a))

    Four triads 

  2. ((b))

    Five triads

  3. ((c))

    Three triads 

  4. ((d))

    Two triads

Show Answer
Answer: ((a))

Four triads 

70

G-ratio varies from ________ in very rough grinding. 

  1. ((a))

    11.0 to 15.0

  2. ((b))

    6.0 to 10.0

  3. ((c))

    1.0 to 5.0

  4. ((d))

    16.0 to 20.0

Show Answer
Answer: ((a))

11.0 to 15.0

71

A steel with 0.8% carbon and 100% pearlite is called-

  1. ((a))

    Pro eutectoid steel 

  2. ((b))

    Hypo-eutectoid steel

  3. ((c))

    Eutectoid steel 

  4. ((d))

    Hyper eutectoid steel

Show Answer
Answer: ((a))

Pro eutectoid steel 

72

Lathe bed is made up of-

  1. ((a))

    High alloy steel 

  2. ((b))

    Cast iron

  3. ((c))

    Mild steel 

  4. ((d))

    High carbon steel

Show Answer
Answer: ((a))

High alloy steel 

73

Which comparator is generally used to measure small displacement of spindles?

  1. ((a))

    Reed type comparator

  2. ((b))

    Sigma comparator

  3. ((c))

    Optical comparators

  4. ((d))

    Electric comparators

Show Answer
Answer: ((a))

Reed type comparator

74

Cyaniding involves the addition of ___________ for the hardening of surface.

  1. ((a))

    Nichrome 

  2. ((b))

    Niobium

  3. ((c))

    Neon 

  4. ((d))

    Nitrogen

Show Answer
Answer: ((a))

Nichrome 

75

Which of the following is a kind of impact printers?

  1. ((a))

    Line printers 

  2. ((b))

    Plotter

  3. ((c))

    Laser printers 

  4. ((d))

    Ink-jet printers

Show Answer
Answer: ((a))

Line printers 

76

E6010 is a ______ tensile strength electrode.

  1. ((a))

    10,000 psi 

  2. ((b))

    60,000 psi

  3. ((c))

    7,000 psi 

  4. ((d))

    61,000 psi

Show Answer
Answer: ((a))

10,000 psi 

77

The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius.

  1. ((a))

    4r/3π 

  2. ((b))

    3r/4π

  3. ((c))

    3r/8π

  4. ((d))

    8r/3π

Show Answer
Answer: ((a))

4r/3π 

78

An example of rotational motion is

  1. ((a))

    Movement of a car on a straight road

  2. ((b))

    Spinning of earth

  3. ((c))

    Movement of drawer of a table

  4. ((d))

    Motion of earth around the sun

Show Answer
Answer: ((a))

Movement of a car on a straight road

79

The process of maintaining the speed of a steam turbine constant for various load conditions is known as-

  1. ((a))

    Reheating 

  2. ((b))

    Bleeding

  3. ((c))

    Cooling 

  4. ((d))

    Governing

Show Answer
Answer: ((a))

Reheating 

80

Corundum is composed of about 85 percent of

  1. ((a))

    Steel

  2. ((b))

    Aluminium oxide

  3. ((c))

    Iron oxide

  4. ((d))

    Silicon

Show Answer
Answer: ((a))

Steel

81

What is the Moment of Inertia of a Quarter circle about its Diametral Axis?

  1. ((a))

    πd4 /64

  2. ((b))

    πd4 /36

  3. ((c))

    πd4 /128

  4. ((d))

    πd4 /256

Show Answer
Answer: ((a))

πd4 /64

82

Which of the following inventory costs represents the cost of loss of demand due to shortage in supplies?

  1. ((a))

    Stockout cost

  2. ((b))

    Unit cost

  3. ((c))

    Procurement cost

  4. ((d))

    Carrying cost

Show Answer
Answer: ((a))

Stockout cost

83

In a four-stroke engine, the working cycle is completed in-

  1. ((a))

    One revolution of the crankshaft 

  2. ((b))

    Two revolutions of the crankshaft

  3. ((c))

    Four revolutions of the crankshaft 

  4. ((d))

    Three revolutions of the crankshaft

Show Answer
Answer: ((a))

One revolution of the crankshaft 

84

The weight of an object on the Moon is Wm and its weight on the Earth is We . Which of the following formulas is CORRECT?

  1. ((a))

    Wm = (1/6) × We

  2. ((b))

    Wm = 6 × We

  3. ((c))

    Wm = (1/3) × We​

  4. ((d))

    Wm = 3 × We

Show Answer
Answer: ((a))

Wm = (1/6) × We

85

Which of the following is an in-situ conservation measure taken by India?

  1. ((a))

    Project Lion 

  2. ((b))

    All of the options

  3. ((c))

    Project Rhino 

  4. ((d))

    Project Elephant

Show Answer
Answer: ((a))

Project Lion 

86

'Kimono' is the traditional dress of-

  1. ((a))

    China 

  2. ((b))

    Japan

  3. ((c))

    New Zealand 

  4. ((d))

    Korea

Show Answer
Answer: ((a))

China 

87

___________ is the intersection of the flank and the base of the tool.

  1. ((a))

    Face

  2. ((b))

    Heel

  3. ((c))

    Shank

  4. ((d))

    Nose

Show Answer
Answer: ((a))

Face

88

The heat generated (H) in resistance welding is expressed by-

(where I = current, R= resistance of area being welded and t= time for the flow of current)

  1. ((a))

    IRt2

  2. ((b))

    IRt

  3. ((c))

    IR2t

  4. ((d))

    I2Rt

Show Answer
Answer: ((a))

IRt2

89

Which of the following is referred to as MRP II?

  1. ((a))

    Materials Requirement Planning

  2. ((b))

    Materials Resources Policy

  3. ((c))

    Manufacturing Resources Planning

  4. ((d))

    Maximum Retail Price

Show Answer
Answer: ((a))

Materials Requirement Planning

90

What is the name of the sources of energy which are being produced continuously in nature and are inexhaustible?

  1. ((a))

    Exhaustible source of energy 

  2. ((b))

    Renewable source of energy

  3. ((c))

    Nonrenewable source of energy

  4. ((d))

    Conventional source of energy

Show Answer
Answer: ((a))

Exhaustible source of energy 

91

In 2019, who was appointed the Indian men’s football team coach?

  1. ((a))

    Steve Cooper 

  2. ((b))

    Savio Medeira

  3. ((c))

    Kushal Das 

  4. ((d))

    Igor Stimac

Show Answer
Answer: ((a))

Steve Cooper 

92

Paper pulp can be regarded as

  1. ((a))

    Bingham plastic fluid 

  2. ((b))

    Dilatant fluid 

  3. ((c))

    Newtonian fluid 

  4. ((d))

    Pseudo plastic fluid

Show Answer
Answer: ((a))

Bingham plastic fluid 

93

Feeler gauges are used to-

  1. ((a))

    Check and set the spark plug gaps 

  2. ((b))

    All of the options

  3. ((c))

    Check and measure the bearing clearance 

  4. ((d))

    Check the gap between the mating parts

Show Answer
Answer: ((a))

Check and set the spark plug gaps 

94

A concentration of 100 means ______ carat of grit per 1 cm of grinding wheel volume.

  1. ((a))

    4.4

  2. ((b))

    3.3

  3. ((c))

    2.2

  4. ((d))

    5.5

Show Answer
Answer: ((a))

4.4

95

What does 'V' represent in this conventional abrasive wheel given by "51 A 60 K 5 V 05"?

  1. ((a))

    Grit size

  2. ((b))

    Bond type

  3. ((c))

    Abrasive type 

  4. ((d))

    Grade

Show Answer
Answer: ((a))

Grit size

96

Back rake of a turning tool is measured on its

  1. ((a))

    Normal plane

  2. ((b))

    Orthogonal plane

  3. ((c))

    Machine transverse plane

  4. ((d))

    Machine longitudinal plane

Show Answer
Answer: ((a))

Normal plane

97

The maximum bending stress in a curved beam having symmetrical section always occurs at the

  1. ((a))

    Neutral axis

  2. ((b))

    Centroidal axis

  3. ((c))

    Inside fibre

  4. ((d))

    Outside fibre

Show Answer
Answer: ((a))

Neutral axis

98

The product of area and square of distance of centre of gravity of the area from that axis is known as-

  1. ((a))

    Second moment of mass 

  2. ((b))

    Second moment of area

  3. ((c))

    First moment of area 

  4. ((d))

    Mass moment of inertia

Show Answer
Answer: ((a))

Second moment of mass 

99

Which of the following is a slow rise of plastic deformation under the action of stresses?

  1. ((a))

    Ductile fracture

  2. ((b))

    Brittle fracture

  3. ((c))

    Fatigue

  4. ((d))

    Creep

Show Answer
Answer: ((a))

Ductile fracture

100

What is the maximum allowable concentration of fluorides in drinking water ?

  1. ((a))

    1.0 milligram per liter 

  2. ((b))

    1.25 milligram per liter

  3. ((c))

    1.50 milligram per liter 

  4. ((d))

    1.75 milligram per liter

Show Answer
Answer: ((a))

1.0 milligram per liter 

101

The capacity of a lathe is expressed as

  1. ((a))

    Tool post size and lathe travel 

  2. ((b))

    Swing and distance between centres

  3. ((c))

    Horsepower and chuck diameter

  4. ((d))

    Bed length and spindle speed

Show Answer
Answer: ((a))

Tool post size and lathe travel 

102

Kanishka followed which of the following religions?

  1. ((a))

    Jainism 

  2. ((b))

    Christianity

  3. ((c))

    Buddhism 

  4. ((d))

    Sikhism

Show Answer
Answer: ((a))

Jainism 

103

The operations executed on data stored in registers are known as-

  1. ((a))

    Bit operations 

  2. ((b))

    Micro operations

  3. ((c))

    Macro operations 

  4. ((d))

    Byte operations

Show Answer
Answer: ((a))

Bit operations 

104

_______ consists of a mixture of clay, feldspar, flint and frit in varying proportions.

  1. ((a))

    Silicate bond 

  2. ((b))

    Vitrified bond

  3. ((c))

    Rubber bond 

  4. ((d))

    Shellac bond

Show Answer
Answer: ((a))

Silicate bond 

105

What is the expansion of UDL in the beams?

  1. ((a))

    Uniformly Distributed Load 

  2. ((b))

    Under Depending Load

  3. ((c))

    Uneven Distributed Load 

  4. ((d))

    United Decreasing Load

Show Answer
Answer: ((a))

Uniformly Distributed Load 

106

What is the binary representation of 35?

  1. ((a))

    101010 

  2. ((b))

    101000

  3. ((c))

    100011

  4. ((d))

    100100

Show Answer
Answer: ((a))

101010 

107

What is the electron distribution in an aluminium atom?

  1. ((a))

    2, 8, 3

  2. ((b))

    8, 2, 3

  3. ((c))

    2, 3, 8

  4. ((d))

    2, 8, 2

Show Answer
Answer: ((a))

2, 8, 3

108

A block weighing W = 20 kN is resting on an inclined plane which makes an angle of 30° to the horizontal. The component of gravity force parallel to the inclined plane is

  1. ((a))

    5 kN

  2. ((b))

    17.32 kN

  3. ((c))

    10 kN

  4. ((d))

    14.14 kN

Show Answer
Answer: ((a))

5 kN

109

Which V block is used for checking triangle effect? 

  1. ((a))

    V block with 30-degree angle is used 

  2. ((b))

    V block with 120-degree angle is used

  3. ((c))

    V block with 90-degree angle is used

  4. ((d))

    V block with 60-degree angle is used

Show Answer
Answer: ((a))

V block with 30-degree angle is used 

110

Coulomb friction is the friction between

  1. ((a))

    Two dry surfaces

  2. ((b))

    Two lubricated surfaces

  3. ((c))

    Bodies having relative motion

  4. ((d))

    Solids and liquids

Show Answer
Answer: ((a))

Two dry surfaces

111

Who took charge as the Managing Director and CEO of the Multi Commodity Exchange of India (MCX) in May 2019?

  1. ((a))

    Chittaranjan Rege 

  2. ((b))

    P.S. Reddy

  3. ((c))

    Pareshnath Paul 

  4. ((d))

    Deepak Mehta

Show Answer
Answer: ((a))

Chittaranjan Rege 

112

Find the tool life equation, if a tool life of 80 min is obtained at a cutting speed of 30 m/min and 8 min at 60 m/min.

  1. ((a))

    VT0.4 = C

  2. ((b))

    VT0.3 = C

  3. ((c))

    VT0.5 = C

  4. ((d))

    VT0.7 = C

Show Answer
Answer: ((a))

VT0.4 = C

113

The distance that fusion extends into the base metal or previous pass from the surface melted during welding is known as

  1. ((a))

    Cold lap

  2. ((b))

    Depth of fusion

  3. ((c))

    Deposition thickness

  4. ((d))

    Dilution

Show Answer
Answer: ((a))

Cold lap

114

Which of the following bonds is represented by the letter 'E' in grinding wheel?

  1. ((a))

    Oxychloride 

  2. ((b))

    Rubber

  3. ((c))

    Silicate 

  4. ((d))

    Shellac

Show Answer
Answer: ((a))

Oxychloride 

115

When a body is subjected to two equal and opposite pulls, as a result of which the body tends to extend its length, the stress and strain induced are

  1. ((a))

    Tensile stress and compressive strain 

  2. ((b))

    Compressive stress and compressive strain

  3. ((c))

    Compressive stress and tensile strain

  4. ((d))

    Tensile stress and tensile strain

Show Answer
Answer: ((a))

Tensile stress and compressive strain 

116

Which of the following is/are the objective of Normalising?

  1. ((a))

    To remove internal stresses

  2. ((b))

    To improve the machinability

  3. ((c))

    To enhance the mechanical properties

  4. ((d))

    All of the options

Show Answer
Answer: ((a))

To remove internal stresses

117

According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then-

  1. ((a))

    The algebraic sum of their moments about any point in their plane is zero

  2. ((b))

    Their lines of action are at equal distances

  3. ((c))

    The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point

  4. ((d))

    Their algebraic sum is zero

Show Answer
Answer: ((a))

The algebraic sum of their moments about any point in their plane is zero

118

The length of the slot weld can be obtained from the ratio of

  1. ((a))

    Allowable stress to load 

  2. ((b))

    Weld area to allowable stress

  3. ((c))

    Allowable stress to weld area 

  4. ((d))

    Load to allowable stress

Show Answer
Answer: ((a))

Allowable stress to load 

119

The metals can be beaten into thin sheets, the property is called _______.

  1. ((a))

    Sonority 

  2. ((b))

    Malleability

  3. ((c))

    Ductility 

  4. ((d))

    Lustre

Show Answer
Answer: ((a))

Sonority 

120

In a four-stroke cycle, the minimum temperature inside the engine cylinder occurs at the

  1. ((a))

    Beginning of exhaust stroke 

  2. ((b))

    End of exhaust stroke

  3. ((c))

    Beginning of suction stroke 

  4. ((d))

    End of suction stroke

Show Answer
Answer: ((a))

Beginning of exhaust stroke 

121

Where is the headquarters of the World Bank located?

  1. ((a))

    San Francisco 

  2. ((b))

    Boston

  3. ((c))

    Philadelphia 

  4. ((d))

    Washington, D.C

Show Answer
Answer: ((a))

San Francisco 

122

The PSLV-C45 was launched from the second launch pad of the-

  1. ((a))

    Thumba Equatorial Rocket Launching Station 

  2. ((b))

    Satish Dhawan Space Centre

  3. ((c))

    Vikram Sarabhai Space Centre 

  4. ((d))

    Abdul Kalam Island

Show Answer
Answer: ((a))

Thumba Equatorial Rocket Launching Station 

123

_________ is a memory management scheme that permits the physical address space of a process to be noncontiguous.

  1. ((a))

    Segmentation 

  2. ((b))

    Paging

  3. ((c))

    Fragmentation 

  4. ((d))

    Swapping

Show Answer
Answer: ((a))

Segmentation 

124

In reverse polarity welding, electrode holder is

  1. ((a))

    Earthed and work is negative

  2. ((b))

    Connected to the negative and work to positive

  3. ((c))

    Connected to the positive and work to negative

  4. ((d))

    Earthed and work is positive

Show Answer
Answer: ((a))

Earthed and work is negative

125

The process of enlarging the holes to accurate sizes is called-

  1. ((a))

    Knurling 

  2. ((b))

    Reaming

  3. ((c))

    Drilling 

  4. ((d))

    Counter boring

Show Answer
Answer: ((a))

Knurling 

126

The chemical formula of refrigerant R11 is

  1. ((a))

    CClF3

  2. ((b))

    CCl3F

  3. ((c))

    CHF

  4. ((d))

    CClHF

Show Answer
Answer: ((a))

CClF3

127

Which of the following is the softest abrasive?

  1. ((a))

    Al2O3

  2. ((b))

    CBN 

  3. ((c))

    Diamond 

  4. ((d))

    SiC

Show Answer
Answer: ((a))

Al2O3

128

Who among the following was appointed the Chief Minister of Goa in March 2019?

  1. ((a))

    Nitish Kumar 

  2. ((b))

    Pramod Sawant

  3. ((c))

    Pema Khandu 

  4. ((d))

    Bhupesh Baghel

Show Answer
Answer: ((a))

Nitish Kumar 

129

Which of the following is INCORRECT in the laws of dry friction?

  1. ((a))

    The magnitude of the limiting friction bears a constant ratio to the normal reaction between the two contacting surfaces

  2. ((b))

    The force of friction is dependent of the area of contact between the two surfaces

  3. ((c))

    The frictional force always acts in a direction opposite to that in which the body tends to move

  4. ((d))

    The force of friction depends upon the roughness/smoothness of the surfaces

Show Answer
Answer: ((a))

The magnitude of the limiting friction bears a constant ratio to the normal reaction between the two contacting surfaces

130

Which among the following is the unit of measurement of the “Ecological Footprint”?

  1. ((a))

    Cubic meter 

  2. ((b))

    Gallon Per Capita

  3. ((c))

    Man Hour 

  4. ((d))

    Global Hectare

Show Answer
Answer: ((a))

Cubic meter 

131

Which annealing process is carried out in a heavy casting to make austenitic grains homogeneous?

  1. ((a))

    Full annealing

  2. ((b))

    Spherodise annealing

  3. ((c))

    Diffusion annealing

  4. ((d))

    Process annealing

Show Answer
Answer: ((a))

Full annealing

132

Mercury does NOT wet the glass. This is due to the property of the liquid known as

  1. ((a))

    Viscosity

  2. ((b))

    Surface tension 

  3. ((c))

    Adhesion

  4. ((d))

    Cohesion

Show Answer
Answer: ((a))

Viscosity

133

The constellation Ursa Minor contains the group of stars commonly called the-

  1. ((a))

    Little lion 

  2. ((b))

    Big dipper

  3. ((c))

    Hunter 

  4. ((d))

    Little dipper

Show Answer
Answer: ((a))

Little lion 

134

The compressor performance at higher altitude compared to sea level will be

  1. ((a))

    Dependent on other factors

  2. ((b))

    The same

  3. ((c))

    Higher

  4. ((d))

    Lower

Show Answer
Answer: ((a))

Dependent on other factors

135

What is the unit of pressure?

  1. ((a))

    Pascal 

  2. ((b))

    Newton

  3. ((c))

    Kilogram 

  4. ((d))

    Kelvin

Show Answer
Answer: ((a))

Pascal 

136

The minimum angle made by an inclined plane with the horizontal such that an object placed on the inclined surface just begins to slide is called-

  1. ((a))

    Angle of friction 

  2. ((b))

    Angle of Repose

  3. ((c))

    Angle of latitude 

  4. ((d))

    Angle of elevation

Show Answer
Answer: ((a))

Angle of friction 

137

What is the approximate freezing point of sulphur dioxide?

  1. ((a))

    -87.7°C 

  2. ((b))

    -56.6°C

  3. ((c))

    -75.2°C 

  4. ((d))

    -135.8°C

Show Answer
Answer: ((a))

-87.7°C 

138

____________ is a small opening of any cross section on the side or bottom of the tank on which fluid is flowing.

  1. ((a))

    Weir 

  2. ((b))

    Notch

  3. ((c))

    Mouth piece 

  4. ((d))

    Orifice

Show Answer
Answer: ((a))

Weir 

139

In which of the following ways does acid rain affect plants?

  1. ((a))

    By nourishing the nutrients from the soil 

  2. ((b))

    By limiting nutrients from the soil

  3. ((c))

    By balancing the nutrients in the soil 

  4. ((d))

    By increasing the nutrients from the soil

Show Answer
Answer: ((a))

By nourishing the nutrients from the soil 

140

To which of the following countries did Alexander the Great belong?

  1. ((a))

    Italy 

  2. ((b))

    Greece

  3. ((c))

    Egypt 

  4. ((d))

    Mesopotamia

Show Answer
Answer: ((a))

Italy 

141

Which of the following is NOT an artificial resin? 

  1. ((a))

    Alkyl

  2. ((b))

    Phenolic

  3. ((c))

    Shellac

  4. ((d))

    Vinyl

Show Answer
Answer: ((a))

Alkyl

142

With which state is the art form 'Patachitra' associated?

  1. ((a))

    Gujarat 

  2. ((b))

    Tamil Nadu

  3. ((c))

    Odisha 

  4. ((d))

    Andhra Pradesh

Show Answer
Answer: ((a))

Gujarat 

143

If (R) is the base rate guaranteed per hour, (S) is the standard time for the job and (T) is the actual time, then according to Rowan plan, wages for the job will be-

  1. ((a))

    TR + (S - T) × R

  2. ((b))

    TR + [(S - T)/2] × R

  3. ((c))

    TR

  4. ((d))

    TR + [(S - T)/S] × R

Show Answer
Answer: ((a))

TR + (S - T) × R

144

Continuity equation can take the form - (where A = Area, V = Velocity, ρ = Density and P = Pressure)

  1. ((a))

    A1V1 = A2V2

  2. ((b))

    P1V1 = P2V2

  3. ((c))

    ρ1A1 = ρ2A2

  4. ((d))

    P1A1V1 = P2A2V2

Show Answer
Answer: ((a))

A1V1 = A2V2

145

The largest diameter of work that can be carried between the centers of a lathe is known as-

  1. ((a))

    Spindle

  2. ((b))

    Saddle

  3. ((c))

    Swing 

  4. ((d))

    Socket

Show Answer
Answer: ((a))

Spindle

146

When a fluid is at rest, the shear stress is-

  1. ((a))

    Very large 

  2. ((b))

    Zero

  3. ((c))

    Undefined 

  4. ((d))

    Finite

Show Answer
Answer: ((a))

Very large 

147

What is the number of moles for 52 g of He?

  1. ((a))

    11

  2. ((b))

    13

  3. ((c))

    14

  4. ((d))

    12

Show Answer
Answer: ((a))

11

148

Which of the following is NOT an example of hardware?

  1. ((a))

    Mouse 

  2. ((b))

    Printer

  3. ((c))

    Interpreter 

  4. ((d))

    Scanner

Show Answer
Answer: ((a))

Mouse 

149

What is the full form of N.P.L. Gauge interferometer?

  1. ((a))

    Nikon Pulsed Laser 

  2. ((b))

    Nuclear Plasma Laboratory

  3. ((c))

    Nuclear Physics Laboratory 

  4. ((d))

    National Physics Laboratory

Show Answer
Answer: ((a))

Nikon Pulsed Laser 

150

All eco-systems begin with energy input from-

  1. ((a))

    Firewood

  2. ((b))

    Water

  3. ((c))

    Air 

  4. ((d))

    Sun

Show Answer
Answer: ((a))

Firewood

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