Official Paper

RRB JE ME 31 Aug 2019 CBT 2 Official Paper (Previous Year Paper)

150 questions · 120 minutes · with answers · free

Attempt as Timed Mock Test

Test (150 questions)

1

Which two words appeared on the first postage stamp of independent India?

  1. ((a))

    Jai Hind 

  2. ((b))

    Vande Mataram

  3. ((c))

    Jai Kisan 

  4. ((d))

    Jai Bharat

Show Answer
Answer: ((a))

Jai Hind 

2

When Mach number is less than unity, the flow is called-

  1. ((a))

    Hyper-sonic flow 

  2. ((b))

    Sonic flow

  3. ((c))

    Super-sonic flow 

  4. ((d))

    Sub-sonic flow

Show Answer
Answer: ((a))

Hyper-sonic flow 

3

A cutting tool can never have its

  1. ((a))

    Clearance angle – positive

  2. ((b))

    Rake angle – positive

  3. ((c))

    Clearance angle – negative

  4. ((d))

    Rake angle – negative

Show Answer
Answer: ((a))

Clearance angle – positive

4

The rate at which the entire organization generates money through sales for a product or service is

  1. ((a))

    Operating expense 

  2. ((b))

    Inventory

  3. ((c))

    Takt time 

  4. ((d))

    Throughput

Show Answer
Answer: ((a))

Operating expense 

5

__________ is a group of fine holes on the surface of the weld caused by gas entrapment. 

  1. ((a))

    Gas pocket 

  2. ((b))

    Blow holes 

  3. ((c))

    Porosity 

  4. ((d))

    Crack

Show Answer
Answer: ((a))

Gas pocket 

6

In a vernier calliper, the main scale reads in millimetres with a least count of 0.1 mm. Ten divisions on the vernier correspond to nine divisions of the main scale. Determine the least count of the calliper.

  1. ((a))

    0.001 mm

  2. ((b))

    1 mm

  3. ((c))

    0.1 mm

  4. ((d))

    0.01 mm

Show Answer
Answer: ((a))

0.001 mm

7

What is meant by HVOF in metal coating? 

  1. ((a))

    High Velocity Oxidised Filler 

  2. ((b))

    High Viscous Oxidised Fluid 

  3. ((c))

    High Viscous Oxygen Fuel 

  4. ((d))

    High Velocity Oxygen Fuel 

Show Answer
Answer: ((a))

High Velocity Oxidised Filler 

8

Determine the elevation for 30˚ using 5.00” sine bar.

  1. ((a))

    2.5000″

  2. ((b))

    2.8679″ 

  3. ((c))

    3.8302″ 

  4. ((d))

    1.7101″ 

Show Answer
Answer: ((a))

2.5000″

9

__________ is used to move the carriage automatically during threading.

  1. ((a))

    Bed

  2. ((b))

    Hand wheel 

  3. ((c))

    Feed rod 

  4. ((d))

    Lead screw 

Show Answer
Answer: ((a))

Bed

10

Control volume in a thermodynamic system refers to-

  1. ((a))

    A specified mass in fluid flow 

  2. ((b))

    Mass that moves across the boundary

  3. ((c))

    Transfer of energy across the boundary

  4. ((d))

    Fixed region in space for thermodynamic study

Show Answer
Answer: ((a))

A specified mass in fluid flow 

11

The temperature point at which the change starts on heating the steel is called

  1. ((a))

    Point of recalescence

  2. ((b))

    Point of decalescence 

  3. ((c))

    Upper critical point 

  4. ((d))

    Lower critical point

Show Answer
Answer: ((a))

Point of recalescence

12

Which of the following operations does NOT use a Multiple-point cutting tool?

  1. ((a))

    Broaching

  2. ((b))

    Drilling

  3. ((c))

    Turning

  4. ((d))

    Milling

Show Answer
Answer: ((a))

Broaching

13

If 'α' is coefficient of thermal expansion, 'ΔT' is magnitude of change in temperature and 'E' is modulus of elasticity, then the expression for thermal stress induced in a rod of length 'l' that is fixed between two rigid ends is given as-

  1. ((a))

    αElΔT 

  2. ((b))

    αEΔT

  3. ((c))

    αΔT/El 

  4. ((d))

    αlΔT

Show Answer
Answer: ((a))

αElΔT 

14

Grain size range between 90 and 220 is considered as-

  1. ((a))

    Very fine grain 

  2. ((b))

    Coarse grain

  3. ((c))

    Normal grain 

  4. ((d))

    Fine grain

Show Answer
Answer: ((a))

Very fine grain 

15

After New moon, the next fourteen days where the moon grows thicker and thicker and becomes visible as a full, near-perfect round moon is called as which phase of the moon?

  1. ((a))

    Waxing phase of the moon 

  2. ((b))

    Waning phase of the moon

  3. ((c))

    Decreasing phase of the moon 

  4. ((d))

    Vanishing phase of the moon

Show Answer
Answer: ((a))

Waxing phase of the moon 

16

Which of the following shutdown methods is often called Warm Boot?

  1. ((a))

    Restart 

  2. ((b))

    Sleep

  3. ((c))

    Shut Down

  4. ((d))

    Hibernate

Show Answer
Answer: ((a))

Restart 

17

The first instrument for routine monitoring of total ozone was developed by-

  1. ((a))

    William Sturgeon 

  2. ((b))

    Samuel Langley

  3. ((c))

    Robert Moog

  4. ((d))

    Gordon M. B. Dobson

Show Answer
Answer: ((a))

William Sturgeon 

18

Who has won the Sir Garfield Sober Trophy for Cricketer of the Year 2017?

  1. ((a))

    Steve Smith 

  2. ((b))

    Virat Kohli

  3. ((c))

    Ravindra Jadeja 

  4. ((d))

    Ravichandran Ashwin

Show Answer
Answer: ((a))

Steve Smith 

19

Which of the following indicates the amount of superabrasive grit in a grinding wheel?

  1. ((a))

    Grade

  2. ((b))

    Structure

  3. ((c))

    Concentration

  4. ((d))

    Grit

Show Answer
Answer: ((a))

Grade

20

Silicon steel is widely used for-

  1. ((a))

    Connecting rods 

  2. ((b))

    Transformers

  3. ((c))

    Cutting tools 

  4. ((d))

    Motor crank shafts

Show Answer
Answer: ((a))

Connecting rods 

21

A hollow steel column has to carry an axial load of 2,00,000 kg and the ultimate stress for the steel column is 4800 kg/cm2 and allows a load factor of 4. What is the sectional area of the column?

  1. ((a))

    196.66 cm2

  2. ((b))

    166.66 cm2

  3. ((c))

    180.66 cm2

  4. ((d))

    176.66 cm2

Show Answer
Answer: ((a))

196.66 cm2

22

Paramparagat Krishi Vikas Yojana was launched in April, 2015 to support and promote-

  1. ((a))

    Oil production 

  2. ((b))

    Organic farming

  3. ((c))

    Wheat agriculture 

  4. ((d))

    Vegetable farming

Show Answer
Answer: ((a))

Oil production 

23

The angle between the resultant reaction and normal to the plane on which the motion of body is impending is known as-

  1. ((a))

    Angle of zenith 

  2. ((b))

    Angle of limiting friction

  3. ((c))

    Angle of friction 

  4. ((d))

    Angle of repose

Show Answer
Answer: ((a))

Angle of zenith 

24

Which of the following is an organic flux?

  1. ((a))

    Tallow 

  2. ((b))

    Hydrochloric acid

  3. ((c))

    Zinc chloride 

  4. ((d))

    Phosphoric acid

Show Answer
Answer: ((a))

Tallow 

25

Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth is

  1. ((a))

    bd312\frac{b d^3}{12}

  2. ((b))

    db312\frac{d b^3}{12}

  3. ((c))

    bd336\frac{b d^3}{36}

  4. ((d))

    db336\frac{d b^3}{36}

Show Answer
Answer: ((a))

bd312\frac{b d^3}{12}

26

The number '120' in the grinding wheel R D 120 N 100 M 4 specifies the__

  1. ((a))

    Concentration Number

  2. ((b))

    Abrasive strength

  3. ((c))

    Average grain size

  4. ((d))

    Hardness of grinding wheel

Show Answer
Answer: ((a))

Concentration Number

27

The ratio of oxygen to acetylene in the neutral flame is-

  1. ((a))

    1 : 3

  2. ((b))

    2 : 1

  3. ((c))

    3 : 1

  4. ((d))

    1 : 1

Show Answer
Answer: ((a))

1 : 3

28

Participatory notes are associated with which of the following?

  1. ((a))

    Foreign Institutional Investors

  2. ((b))

    Port Folio Investors

  3. ((c))

    Mutual Fund Investors

  4. ((d))

    Cryptocurrency investors

Show Answer
Answer: ((a))

Foreign Institutional Investors

29

The horizontal feed in a lathe is controlled by-

  1. ((a))

    Apron 

  2. ((b))

    Headstock

  3. ((c))

    Cross-slide

  4. ((d))

    Tailstock

Show Answer
Answer: ((a))

Apron 

30

Which will form amphoteric oxide?

  1. ((a))

    S

  2. ((b))

    Na

  3. ((c))

    Ca

  4. ((d))

    Al

Show Answer
Answer: ((a))

S

31

Up milling is also called as

  1. ((a))

    End milling 

  2. ((b))

    Face milling

  3. ((c))

    Climb milling 

  4. ((d))

    Conventional milling

Show Answer
Answer: ((a))

End milling 

32

Through which of the following states does the Chambal river flow?

  1. ((a))

    Uttar Pradesh 

  2. ((b))

    Rajasthan

  3. ((c))

    All of the options 

  4. ((d))

    Madhya Pradesh

Show Answer
Answer: ((a))

Uttar Pradesh 

33

India’s first National Centre for Marine Bio-diversity (NCMB) is located in-

  1. ((a))

    Mumbai 

  2. ((b))

    Puducherry

  3. ((c))

    Bhavnagar 

  4. ((d))

    Jamnagar

Show Answer
Answer: ((a))

Mumbai 

34

For which surfaces, is a spirit level used for testing straightness ?

  1. ((a))

    Horizontal surfaces 

  2. ((b))

    Both Horizontal and vertical surfaces 

  3. ((c))

    Inclined surfaces 

  4. ((d))

    Vertical surfaces 

Show Answer
Answer: ((a))

Horizontal surfaces 

35

The failure of the material due to cyclic loads is known as-

  1. ((a))

    Embrittlement 

  2. ((b))

    Fatigue

  3. ((c))

    Impact failure 

  4. ((d))

    Creep

Show Answer
Answer: ((a))

Embrittlement 

36

When the dispersed phase is gas and dispersing medium is solid and the type of colloid is-

  1. ((a))

    Aerosol 

  2. ((b))

    Gel

  3. ((c))

    Emulsion

  4. ((d))

    Foam

Show Answer
Answer: ((a))

Aerosol 

37

The efficiency of a screw jack is maximum, when

Where α = Helix angle and ϕ = Angle of friction.

  1. ((a))

    α=45∘+ϕ2\alpha = 45^\circ + \frac{\phi }{2}

  2. ((b))

    α=45∘−ϕ2\alpha = 45^\circ- \frac{\phi }{2}

  3. ((c))

    α = 90° + ϕ

  4. ((d))

    α = 90° - ϕ

Show Answer
Answer: ((a))

α=45∘+ϕ2\alpha = 45^\circ + \frac{\phi }{2}

38

The performance of cache memory is frequently measured in terms of a quantity called ______.

  1. ((a))

    Register 

  2. ((b))

    Associative Mapping

  3. ((c))

    Hit ratio 

  4. ((d))

    Set-associative Mapping

Show Answer
Answer: ((a))

Register 

39

The height by which a tooth of a gear projects beyond the standard pitch circle or pitch line is technically known as-

  1. ((a))

    Dedundum 

  2. ((b))

    Addendum

  3. ((c))

    Pitch radius 

  4. ((d))

    Backlash

Show Answer
Answer: ((a))

Dedundum 

40

A pressure of 25 m of head of water is equal to

  1. ((a))

    25 kN/m2

  2. ((b))

    245 kN/m2

  3. ((c))

    2500 kN/m2

  4. ((d))

    2.5 kN/m2

Show Answer
Answer: ((a))

25 kN/m2

41

The electron distribution in a magnesium atom is-

  1. ((a))

    8, 2, 2 

  2. ((b))

    8, 2, 3

  3. ((c))

    2, 8, 3 

  4. ((d))

    2, 8, 2

Show Answer
Answer: ((a))

8, 2, 2 

42

Which of the following distribution represents the time estimates in PERT ?

  1. ((a))

    Poisson distribution

  2. ((b))

    Normal distribution

  3. ((c))

    Beta distribution

  4. ((d))

    Weibull distribution

Show Answer
Answer: ((a))

Poisson distribution

43

The operation which is done to make periphery of grinding wheel concentric with its axis to recover its lost shape is known as-

  1. ((a))

    Truing 

  2. ((b))

    Dressing

  3. ((c))

    Glazing 

  4. ((d))

    Loading

Show Answer
Answer: ((a))

Truing 

44

Chilled cast iron is produced__________

  1. ((a))

    All of the options

  2. ((b))

    By adding magnesium to molten cast iron

  3. ((c))

    From white cast iron by annealing process

  4. ((d))

    By cooling of molten cast iron

Show Answer
Answer: ((a))

All of the options

45

A hydraulic press is based on the principle of-

  1. ((a))

    Boyle's law 

  2. ((b))

    Newton's law

  3. ((c))

    Charles' law 

  4. ((d))

    Pascal's law

Show Answer
Answer: ((a))

Boyle's law 

46

When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called-

  1. ((a))

    Positive gauge pressure 

  2. ((b))

    Barometric pressure

  3. ((c))

    Absolute pressure 

  4. ((d))

    Negative gauge pressure

Show Answer
Answer: ((a))

Positive gauge pressure 

47

Which of the following is an example of paramagnetic material?

  1. ((a))

    Tantalum 

  2. ((b))

    Gold

  3. ((c))

    Copper 

  4. ((d))

    Silver

Show Answer
Answer: ((a))

Tantalum 

48

The science that deals with the relationship of various organisms with their environment is known as-

  1. ((a))

    Cytology 

  2. ((b))

    Geology

  3. ((c))

    Anthropology 

  4. ((d))

    Ecology

Show Answer
Answer: ((a))

Cytology 

49

The sum of the clearance angle, rake angle and cutting wedge angle is always equal to___

  1. ((a))

    360∘360^\circ

  2. ((b))

    90∘90^\circ

  3. ((c))

    180∘180^\circ

  4. ((d))

    45∘45^\circ

Show Answer
Answer: ((a))

360∘360^\circ

50

Nixan Gold Cup is associated with which sport?

  1. ((a))

    Basketball 

  2. ((b))

    Badminton

  3. ((c))

    Football

  4. ((d))

    Volleyball

Show Answer
Answer: ((a))

Basketball 

51

The first Commonwealth Games in 1930 was held in which country?

  1. ((a))

    Australia

  2. ((b))

    England

  3. ((c))

    New Zealand

  4. ((d))

    Canada

Show Answer
Answer: ((a))

Australia

52

Bimbisara was the ruler of-

  1. ((a))

    Gandhara 

  2. ((b))

    Magadha

  3. ((c))

    Taxila 

  4. ((d))

    Mathura

Show Answer
Answer: ((a))

Gandhara 

53

Which carburising method has high production rate ?

  1. ((a))

    Gas carburising

  2. ((b))

    Pack carburising

  3. ((c))

    Liquid carburising

  4. ((d))

    Solid powder carburising

Show Answer
Answer: ((a))

Gas carburising

54

In which of the following operation of lathe machine is the tool NOT feed in a straight path ?

  1. ((a))

    Taper turning

  2. ((b))

    Contour turning

  3. ((c))

    Form turning

  4. ((d))

    Facing

Show Answer
Answer: ((a))

Taper turning

55

________ is the death rate per thousand individuals

  1. ((a))

    Emigration rate

  2. ((b))

    Natality rate

  3. ((c))

    Mortality rate

  4. ((d))

    Immigration rate

Show Answer
Answer: ((a))

Emigration rate

56

Cholera is caused by the bacteria called-

  1. ((a))

    Salmonella typhi 

  2. ((b))

    Clostridium botulinum

  3. ((c))

    Treponema palladium 

  4. ((d))

    Vibrio cholerae

Show Answer
Answer: ((a))

Salmonella typhi 

57

___________ is also called line layout.

  1. ((a))

    Process layout 

  2. ((b))

    Functional layout

  3. ((c))

    Product layout

  4. ((d))

    Fixed position layout

Show Answer
Answer: ((a))

Process layout 

58

Which of the following processes is an example of a reversible process ?

  1. ((a))

    Heat transfer

  2. ((b))

    Electrolysis

  3. ((c))

    Combustion

  4. ((d))

    Plastic deformation

Show Answer
Answer: ((a))

Heat transfer

59

The Stockholm Convention on Persistent Organic Pollutants (POPs) was signed in the year-

  1. ((a))

    2000

  2. ((b))

    2001

  3. ((c))

    1998

  4. ((d))

    1999

Show Answer
Answer: ((a))

2000

60

Free of cost repair of software bug available at Internet is called ….

  1. ((a))

    Version

  2. ((b))

    Ad-on

  3. ((c))

    Tutorial

  4. ((d))

    Patch

Show Answer
Answer: ((a))

Version

61

If W is weight of a body, α is angle of an inclined plane and ϕ is angle of friction, then the force required to drag the body when it is just impending to move the plane, is_____

  1. ((a))

    W tan(α + ϕ)

  2. ((b))

    W cos(α + ϕ)

  3. ((c))

    W sin(α + ϕ)

  4. ((d))

    W sec(α + ϕ)

Show Answer
Answer: ((a))

W tan(α + ϕ)

62

What is the SI unit of Electric Potential Difference?

  1. ((a))

    Watts

  2. ((b))

    Volt

  3. ((c))

    Ohms

  4. ((d))

    Coulomb

Show Answer
Answer: ((a))

Watts

63

What is the chemical symbol of acetylene gas?

  1. ((a))

    C2H2

  2. ((b))

    CH3

  3. ((c))

    C3H2

  4. ((d))

    CH2

Show Answer
Answer: ((a))

C2H2

64

Which of the following contains Citric acid?

  1. ((a))

    Tomato 

  2. ((b))

    Orange

  3. ((c))

    Tamarind

  4. ((d))

    Sour milk

Show Answer
Answer: ((a))

Tomato 

65

If the Reynolds number is less than 2000, the flow in pipe is -

  1. ((a))

    Transitional from laminar to turbulent 

  2. ((b))

    Turbulent

  3. ((c))

    Inviscid 

  4. ((d))

    Laminar

Show Answer
Answer: ((a))

Transitional from laminar to turbulent 

66

Which of the following processes permits the transformation of austenite to martensite, throughout the crosssection of a component without cracking or distortion? 

  1. ((a))

    Austempering

  2. ((b))

    Marquenching

  3. ((c))

    Annealing

  4. ((d))

    Tempering

Show Answer
Answer: ((a))

Austempering

67

Which of the following processes uses non-consumable electrode?

  1. ((a))

    MIG welding 

  2. ((b))

    Electroslag welding

  3. ((c))

    TIG welding

  4. ((d))

    Laser welding

Show Answer
Answer: ((a))

MIG welding 

68

Which of the following is NOT a type of virus?

  1. ((a))

    Polymorphic 

  2. ((b))

    McAfee

  3. ((c))

    Multipartite 

  4. ((d))

    Boot sector

Show Answer
Answer: ((a))

Polymorphic 

69

In Rockwell hardness testing method, the hardness of a material is measured by-

  1. ((a))

    Depth of penetration of indenter 

  2. ((b))

    Surface area of indention

  3. ((c))

    Projected area of indention

  4. ((d))

    Height of rebound

Show Answer
Answer: ((a))

Depth of penetration of indenter 

70

Gun metal contains 2 percent of-

  1. ((a))

    Copper 

  2. ((b))

    Tin

  3. ((c))

    Nickel 

  4. ((d))

    Zinc

Show Answer
Answer: ((a))

Copper 

71

Heat is absorbed by a refrigerant during a refrigeration cycle in a-

  1. ((a))

    Condenser 

  2. ((b))

    Throttle valve

  3. ((c))

    Evaporator 

  4. ((d))

    Compressor

Show Answer
Answer: ((a))

Condenser 

72

What is the full form of CMM?

  1. ((a))

    Current Measuring Machine

  2. ((b))

    Coordinate Monitoring Machine

  3. ((c))

    Coordinate Measuring Machine

  4. ((d))

    Cantilever Measuring Machine

Show Answer
Answer: ((a))

Current Measuring Machine

73

Soft solder consists of-

  1. ((a))

    Copper and tin

  2. ((b))

    Lead and zinc

  3. ((c))

    Lead and tin 

  4. ((d))

    Lead and aluminium

Show Answer
Answer: ((a))

Copper and tin

74

The ratio of actual discharge of a jet of water to its theoretical discharge is known as-

  1. ((a))

    Coefficient of velocity 

  2. ((b))

    Coefficient of discharge

  3. ((c))

    Coefficient of viscosity 

  4. ((d))

    Coefficient of contraction

Show Answer
Answer: ((a))

Coefficient of velocity 

75

The internal energy of a perfect gas depends on

  1. ((a))

    Temperature, entropy and specific heats

  2. ((b))

    Temperature only

  3. ((c))

    Temperature, pressure and specific heats

  4. ((d))

    Temperature, enthalpy and specific heats

Show Answer
Answer: ((a))

Temperature, entropy and specific heats

76

Which of the following is the India's first Arctic Research station?

  1. ((a))

    Himadri

  2. ((b))

    Dakshin Gangotri

  3. ((c))

    Maitri

  4. ((d))

    Bharati

Show Answer
Answer: ((a))

Himadri

77

Action and reaction act on

  1. ((a))

    Same body and in same direction 

  2. ((b))

    Same body but in opposite direction

  3. ((c))

    Different bodies but in same direction 

  4. ((d))

    Different bodies but in opposite direction

Show Answer
Answer: ((a))

Same body and in same direction 

78

Who among the following won the Orange Cap in the 2019 VIVO IPL?

  1. ((a))

    KL Rahul

  2. ((b))

    Shikhar Dhawan

  3. ((c))

    David Warner

  4. ((d))

    Chris Gayle

Show Answer
Answer: ((a))

KL Rahul

79

In which of the following cities did the Jallianwala Bagh massacre take place?

  1. ((a))

    Amritsar 

  2. ((b))

    Patiala

  3. ((c))

    Bhatinda 

  4. ((d))

    Jalandhar

Show Answer
Answer: ((a))

Amritsar 

80

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 number of orders per year is

  1. ((a))

    12

  2. ((b))

    36

  3. ((c))

    48

  4. ((d))

    24

Show Answer
Answer: ((a))

12

81

Which of the following is the input component(s) to Materials Requirement Planning (MRP) system?

  1. ((a))

    Bill of materials 

  2. ((b))

    Master Production Schedule

  3. ((c))

    Inventory status file 

  4. ((d))

    All of the options

Show Answer
Answer: ((a))

Bill of materials 

82

Cyaniding is carried out at a temperature of ___________.

  1. ((a))

    175°C

  2. ((b))

    950°C

  3. ((c))

    500°C 

  4. ((d))

    1300°C

Show Answer
Answer: ((a))

175°C

83

In electrochemical grinding process, the material removal rate is inversely proportional to

  1. ((a))

    Total supply current

  2. ((b))

    Both density of workpiece material and supply of current

  3. ((c))

    Density of workpiece material

  4. ((d))

    Feed rate of electrode

Show Answer
Answer: ((a))

Total supply current

84

Why do particles in liquid water at 0°C have more energy as compared to particles in ice at the same temperature?

  1. ((a))

    the particles in water absorb heat energy during the process of conversion from ice to water vapour

  2. ((b))

    Because the particles in ice absorb heat energy during the process of conversion from ice to liquid water

  3. ((c))

    the particles in water radiate heat energy during the process of conversion from ice to liquid water

  4. ((d))

    the particles in water absorb heat energy during the process of conversion from ice to liquid water

Show Answer
Answer: ((a))

the particles in water absorb heat energy during the process of conversion from ice to water vapour

85

Which of the following states that, "If a body is in equilibrium, under the action of three concurrent forces, each force is proportional to the sine of the angle between the other two forces"?

  1. ((a))

    Parallelogram law of forces 

  2. ((b))

    Varignon's theorem

  3. ((c))

    Transmissibility of forces 

  4. ((d))

    Lami's theorem

Show Answer
Answer: ((a))

Parallelogram law of forces 

86

Major purpose of most of the dams around the world is-

  1. ((a))

    Drinking water supply 

  2. ((b))

    All of the options

  3. ((c))

    Irrigation 

  4. ((d))

    Power generation

Show Answer
Answer: ((a))

Drinking water supply 

87

Which of the following varnishes are prepared by dissolving hardest gums like copal in drying oil and volatile solvents?

  1. ((a))

    Water varnish 

  2. ((b))

    Spirit varnish

  3. ((c))

    Oil varnish 

  4. ((d))

    Turpentine varnish

Show Answer
Answer: ((a))

Water varnish 

88

The ability of a material to resist deformation or deflection under stress is known as-

  1. ((a))

    Toughness 

  2. ((b))

    Mechanical strength

  3. ((c))

    Ductility 

  4. ((d))

    Stiffness

Show Answer
Answer: ((a))

Toughness 

89

_______ is a process for placing a thin phosphate coating on steel.

  1. ((a))

    Parkerizing 

  2. ((b))

    Sheradizing

  3. ((c))

    Galvanization 

  4. ((d))

    Anodizing

Show Answer
Answer: ((a))

Parkerizing 

90

The distance between the forces acting in the couple is

  1. ((a))

    A finite variable distance

  2. ((b))

    Infinity

  3. ((c))

    Always a fixed distance

  4. ((d))

    Zero

Show Answer
Answer: ((a))

A finite variable distance

91

Fishbone diagram is also known as ___________.

  1. ((a))

    Cause-and-effect diagram

  2. ((b))

    Stratification

  3. ((c))

    Pareto chart

  4. ((d))

    Histogram

Show Answer
Answer: ((a))

Cause-and-effect diagram

92

The working cycle of two stroke engine is completed in _______ revolutions of crank shaft.

  1. ((a))

    Two 

  2. ((b))

    Four

  3. ((c))

    Three

  4. ((d))

    One

Show Answer
Answer: ((a))

Two 

93

Ramsar convention is related to which of the following?

  1. ((a))

    Forests

  2. ((b))

    Wetlands

  3. ((c))

    Animal Protection

  4. ((d))

    Ozone Depletion

Show Answer
Answer: ((a))

Forests

94

Steel containing up-to 0.15% carbon, is known as

  1. ((a))

    mild steel

  2. ((b))

    dead mild steel

  3. ((c))

    medium carbon steel 

  4. ((d))

    high carbon steel

Show Answer
Answer: ((a))

mild steel

95

Which of the following is NOT an angular measuring instrument?

  1. ((a))

    Sine bar 

  2. ((b))

    Bevel Protractor

  3. ((c))

    Micrometer 

  4. ((d))

    Autocollimator

Show Answer
Answer: ((a))

Sine bar 

96

The effective length 'L' of a column hinged at both ends as compared to its actual length 'l' is-

  1. ((a))

    L = l/2 

  2. ((b))

    L = l

  3. ((c))

    L = 2l 

  4. ((d))

    L = 2l2

Show Answer
Answer: ((a))

L = l/2 

97

What is the maximum font size you can apply for any character in MS Word 2007?

  1. ((a))

    163

  2. ((b))

    1638

  3. ((c))

    16038

  4. ((d))

    None of the above

Show Answer
Answer: ((a))

163

98

If 1 kg mixture of steam contains 0.8 kg of dry vapor and 0.2 kg of moisture, then the dryness fraction of the steam is

  1. ((a))

    0.8

  2. ((b))

    0.6

  3. ((c))

    0.2

  4. ((d))

    0.5

Show Answer
Answer: ((a))

0.8

99

Which of the following is an example of flow production?

  1. ((a))

    Textiles 

  2. ((b))

    Bridge and dam construction

  3. ((c))

    Paint shop 

  4. ((d))

    Gas and oil

Show Answer
Answer: ((a))

Textiles 

100

Which of the following Japanese terms in 5S methodology represents the meaning of shine?

  1. ((a))

    Seiri

  2. ((b))

    Shitsuke

  3. ((c))

    Seiso

  4. ((d))

    Seiton

Show Answer
Answer: ((a))

Seiri

101

 Meander drive is a _____ shaft mechanism.

  1. ((a))

    Four

  2. ((b))

    One

  3. ((c))

    Three

  4. ((d))

    Two

Show Answer
Answer: ((a))

Four

102

Which of the following elements has the maximum atomic radius?

  1. ((a))

    P

  2. ((b))

    Cl

  3. ((c))

    Na

  4. ((d))

    S

Show Answer
Answer: ((a))

P

103

The horizontal component of tensile force in a wire that makes 60° with horizontal and is carrying a force of 20 kN is

  1. ((a))

    10 kN

  2. ((b))

    18 kN

  3. ((c))

    30 kN

  4. ((d))

    25 kN

Show Answer
Answer: ((a))

10 kN

104

Sigma comparator is a type of ______________ comparator.

  1. ((a))

    Electrical 

  2. ((b))

    Electronic

  3. ((c))

    Mechanical 

  4. ((d))

    Optical

Show Answer
Answer: ((a))

Electrical 

105

Which theory of failure will you use for aluminium components under steady loading? 

  1. ((a))

    Maximum principal stress theory 

  2. ((b))

    Maximum shear stress theory 

  3. ((c))

    Maximum strain energy theory 

  4. ((d))

    Maximum principal strain theory

Show Answer
Answer: ((a))

Maximum principal stress theory 

106

To what degree are the edges of optical flats bevelled? 

  1. ((a))

    45°

  2. ((b))

    90°

  3. ((c))

    60°

  4. ((d))

    30°

Show Answer
Answer: ((a))

45°

107

Which of the following is an extensive property?

  1. ((a))

    Melting point 

  2. ((b))

    Volume

  3. ((c))

    Boiling point 

  4. ((d))

    Density

Show Answer
Answer: ((a))

Melting point 

108

The ability of a material to absorb energy in the elastic region is called-

  1. ((a))

    Ductility 

  2. ((b))

    Resilience

  3. ((c))

    Toughness 

  4. ((d))

    Hardness

Show Answer
Answer: ((a))

Ductility 

109

Which of the following is a disadvantage of most of the renewable energy sources?

  1. ((a))

    Unreliable supply 

  2. ((b))

    High waste disposal cost

  3. ((c))

    Highly polluting

  4. ((d))

    High running cost

Show Answer
Answer: ((a))

Unreliable supply 

110

The moment of inertia of a solid cylinder of mass 'm', radius 'R' and length 'l' about the longitudinal axis or polar axis is-

  1. ((a))

    mR2/2

  2. ((b))

    mR2/4

  3. ((c))

    mR2/8

  4. ((d))

    mR2/6

Show Answer
Answer: ((a))

mR2/2

111

The term 'grating' in metrology means that

  1. ((a))

    Rulings are more closely spaced, producing a periodic pattern without blank gaps 

  2. ((b))

    Rulings follow a logarithmic scale 

  3. ((c))

    Rulings need not have any pattern

  4. ((d))

    Rulings are spaced relatively far apart, requiring some type of interpolating device to make accurate settings

Show Answer
Answer: ((a))

Rulings are more closely spaced, producing a periodic pattern without blank gaps 

112

Which movie won the Best Film award in 63rd Filmfare Awards?

  1. ((a))

    Tumhari Sulu

  2. ((b))

    Secret Superstar

  3. ((c))

    Trapped

  4. ((d))

    Hindi Medium

Show Answer
Answer: ((a))

Tumhari Sulu

113

The velocity with which the water approaches a notch is called

  1. ((a))

    Velocity of whirl 

  2. ((b))

    Velocity of approach

  3. ((c))

    Velocity of flow 

  4. ((d))

    Shear velocity

Show Answer
Answer: ((a))

Velocity of whirl 

114

How do the hard disks record information?

  1. ((a))

    Propagation 

  2. ((b))

    Gravitation

  3. ((c))

    Magnetisation 

  4. ((d))

    Centrifugation

Show Answer
Answer: ((a))

Propagation 

115

In machine lapping, for hard materials, pressure up to _________ is applied.

  1. ((a))

    0.5 N/mm2

  2. ((b))

    1 N/mm2

  3. ((c))

    0.05 N/mm2

  4. ((d))

    0.02 N/mm2

Show Answer
Answer: ((a))

0.5 N/mm2

116

Which of the following is an example of diffuse reflection?

  1. ((a))

    Both reflection on mirror and still water 

  2. ((b))

    Reflection on mirrors

  3. ((c))

    Reflection on roadway 

  4. ((d))

    Reflection on still water

Show Answer
Answer: ((a))

Both reflection on mirror and still water 

117

Pinch effect in welding is the result of

  1. ((a))

    Surface tension of the molten metal

  2. ((b))

    Electromagnetic forces

  3. ((c))

    Expansion of gases in the arc 

  4. ((d))

    Shielding gases

Show Answer
Answer: ((a))

Surface tension of the molten metal

118

Pallet is an example for which operating principle of material handling plan?

  1. ((a))

    Flow principle

  2. ((b))

    Gravity principle

  3. ((c))

    Space utilization principle

  4. ((d))

    Unit load principle

Show Answer
Answer: ((a))

Flow principle

119

The unit of moment of inertia of mass is-

  1. ((a))

    m2/kg

  2. ((b))

    kg/m

  3. ((c))

    kg-m2

  4. ((d))

    kg/m2

Show Answer
Answer: ((a))

m2/kg

120

Who among the following releases the book ‘Mann Ki Baat - A Social Revolution on Radio’?

  1. ((a))

    Arun Jaitley

  2. ((b))

    Piyush Goyal

  3. ((c))

    Amit Shah

  4. ((d))

    Sushma Swaraj

Show Answer
Answer: ((a))

Arun Jaitley

121

Gantt chart is a type of chart which illustrates the-

  1. ((a))

    Assignable causes of variation in a process 

  2. ((b))

    Inventory status and materials requirement

  3. ((c))

    Project schedule 

  4. ((d))

    Common causes of variation in a process

Show Answer
Answer: ((a))

Assignable causes of variation in a process 

122

'If 'θ' is angle of projection and 'u' is velocity of projection for a projectile, then its horizontal range is given by-

  1. ((a))

    R = (u2sin2θ) / g

  2. ((b))

    R = (u2cosθ) / g

  3. ((c))

    R = (u2cos2θ) / g

  4. ((d))

    R = (u2sinθ) / g

Show Answer
Answer: ((a))

R = (u2sin2θ) / g

123

The maximum heat in resistance welding is at the-

  1. ((a))

    Tip of the positive electrode

  2. ((b))

    Interface between the two plates being joined

  3. ((c))

    Tip of the negative electrode 

  4. ((d))

    Top surface of the plate at the time of electric contact with the electrode

Show Answer
Answer: ((a))

Tip of the positive electrode

124

Which part of the solar cooker is responsible for the greenhouse effect? 

  1. ((a))

    Coating with black colour inside the box

  2. ((b))

    Mirror

  3. ((c))

    Glass sheet

  4. ((d))

    Outer cover of the solar cooker

Show Answer
Answer: ((a))

Coating with black colour inside the box

125

Lower critical temperature of steel is

  1. ((a))

    950°C

  2. ((b))

    1560°C

  3. ((c))

    800°C

  4. ((d))

    723°C

Show Answer
Answer: ((a))

950°C

126

Which of the following is the most common substrate material for hot-dip metallic coating?

  1. ((a))

    Steel 

  2. ((b))

    Aluminium

  3. ((c))

    Zinc 

  4. ((d))

    Terene

Show Answer
Answer: ((a))

Steel 

127

What is the value of the acceleration due to gravity (g) of Earth?

  1. ((a))

    3.8 m s-2

  2. ((b))

    5.4 m s-2

  3. ((c))

    6.8 m s-2

  4. ((d))

    9.8 m s-2

Show Answer
Answer: ((a))

3.8 m s-2

128

Otto cycle is a constant ________ cycle.

  1. ((a))

    Temperature 

  2. ((b))

    Entropy

  3. ((c))

    Pressure 

  4. ((d))

    Volume

Show Answer
Answer: ((a))

Temperature 

129

In an air standard Otto cycle, the compression ratio is 7. Find the cycle efficiency

  1. ((a))

    54%

  2. ((b))

    38%

  3. ((c))

    71%

  4. ((d))

    80%

Show Answer
Answer: ((a))

54%

130

Limiting force of friction is the 

  1. ((a))

    Ratio of limiting friction and normal reaction 

  2. ((b))

    Friction force acting when the body is just about to move

  3. ((c))

    Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction

  4. ((d))

    Friction force acting when the body is in motion

Show Answer
Answer: ((a))

Ratio of limiting friction and normal reaction 

131

Which computer application scans texts and converts into readable form in computer?

  1. ((a))

    Optical Scanner Reader 

  2. ((b))

    Optical Character Recognition

  3. ((c))

    Optical Marker Recognition 

  4. ((d))

    Optical Character Evaluator

Show Answer
Answer: ((a))

Optical Scanner Reader 

132

In BCD code, maximum possible characters set size is-

  1. ((a))

    Character set of 94 

  2. ((b))

    Character set of 84

  3. ((c))

    Character set of 64 

  4. ((d))

    Character set of 104

Show Answer
Answer: ((a))

Character set of 94 

133

A stream line and an equipotential line in a two dimensional inviscid flow field-

  1. ((a))

    Are perpendicular to each other 

  2. ((b))

    Intersect at an acute angle

  3. ((c))

    Are parallel to each other 

  4. ((d))

    Are identical

Show Answer
Answer: ((a))

Are perpendicular to each other 

134

The Moment of Inertia of a circular area of diameter 'd' about its diameter axis is-

  1. ((a))

    πd2/64

  2. ((b))

    πd3/36

  3. ((c))

    πd4/64

  4. ((d))

    πd2/36

Show Answer
Answer: ((a))

πd2/64

135

A radius gauge is also known as-

  1. ((a))

    Snap gauge 

  2. ((b))

    Feeler gauge

  3. ((c))

    Fillet gauge 

  4. ((d))

    Slip gauge

Show Answer
Answer: ((a))

Snap gauge 

136

Which of the following is a junction of side and end cutting edge in single point cutting tool?

  1. ((a))

    Base

  2. ((b))

    Flank

  3. ((c))

    Heel

  4. ((d))

    Nose

Show Answer
Answer: ((a))

Base

137

Water decomposes in presence of electricity into H and O , this process is called

  1. ((a))

    Photochemical decomposition

  2. ((b))

    Electrolysis

  3. ((c))

    Thermal decomposition

  4. ((d))

    Displacement Reaction

Show Answer
Answer: ((a))

Photochemical decomposition

138

The malleability is the property of a material by virtue of which a material-

  1. ((a))

    Can be rolled or hammered into thin sheets 

  2. ((b))

    Regains its shape and size after the removal of external forces

  3. ((c))

    Retains the deformation produced under load permanently

  4. ((d))

    Can be drawn into wires with the application of a tensile force

Show Answer
Answer: ((a))

Can be rolled or hammered into thin sheets 

139

Shear thickening fluid is also known as-

  1. ((a))

    Pseudoplastic 

  2. ((b))

    Dilatant

  3. ((c))

    Thixotropic

  4. ((d))

    Rheopectic

Show Answer
Answer: ((a))

Pseudoplastic 

140

The process of draining steam for heating the feed-water is known as

  1. ((a))

    Bleeding

  2. ((b))

    Governing

  3. ((c))

    Cooling

  4. ((d))

    Reheating of steam

Show Answer
Answer: ((a))

Bleeding

141

A single unit which is composed of small group of bits is known as-

  1. ((a))

    Bug 

  2. ((b))

    Bit

  3. ((c))

    Byte 

  4. ((d))

    Flag

Show Answer
Answer: ((a))

Bug 

142

Funds belonging to the Government of India are kept in-

  1. ((a))

    Public Account of India 

  2. ((b))

    Consolidated fund of India

  3. ((c))

    All of the options 

  4. ((d))

    Contingency Fund of India

Show Answer
Answer: ((a))

Public Account of India 

143

Where is India's the first oceanarium being set up?

  1. ((a))

    Vishakhapatnam 

  2. ((b))

    Mumbai

  3. ((c))

    Kochi 

  4. ((d))

    Goa

Show Answer
Answer: ((a))

Vishakhapatnam 

144

Johannsen Gauges are otherwise known as-

  1. ((a))

    Radius gauges 

  2. ((b))

    Snap gauges

  3. ((c))

    Slip gauges 

  4. ((d))

    Feeler gauges

Show Answer
Answer: ((a))

Radius gauges 

145

What is the magnitude of the maximum disturbance in the medium on either side of the mean value called?

  1. ((a))

    Oscillation 

  2. ((b))

    Amplitude

  3. ((c))

    Frequency 

  4. ((d))

    Wavelength

Show Answer
Answer: ((a))

Oscillation 

146

The square root of the ratio of the inertia force due to flow to the elastic force of fluid is known as-

  1. ((a))

    Mach number 

  2. ((b))

    Strouhal number

  3. ((c))

    Froude number 

  4. ((d))

    Reynolds number

Show Answer
Answer: ((a))

Mach number 

147

Which of the following phase is obtained as the end product, after complete heat treatment cycle in austempering process?

  1. ((a))

    Bainite 

  2. ((b))

    Martensite

  3. ((c))

    Austenite 

  4. ((d))

    Pearlite

Show Answer
Answer: ((a))

Bainite 

148

The complete resistance spot weld cycle has been divided into ____ parts.

  1. ((a))

    Four

  2. ((b))

    Five

  3. ((c))

    Three

  4. ((d))

    Two

Show Answer
Answer: ((a))

Four

149

Where was the 27th Fusion Energy Conference (FEC) inaugurated on 22 October 2018?

  1. ((a))

    Haryana

  2. ((b))

    Rajasthan

  3. ((c))

    Gujarat

  4. ((d))

    Punjab

Show Answer
Answer: ((a))

Haryana

150

Communication between a computer and a keyboard involves _________________ transmission.

  1. ((a))

    Automatic

  2. ((b))

    Half-duplex

  3. ((c))

    Full-duplex

  4. ((d))

    Simplex

Show Answer
Answer: ((a))

Automatic

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