Official Paper

RRB JE ME 19 Sep 2019 (Shift 2) CBT 2 Official Paper (Previous Year Paper)

150 questions · 120 minutes · with answers · free

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Test (150 questions)

When was 'Antyodaya Anna Yojana' launched?

((a))
October 2000
((b))
December 2000
((c))
August 2001
((d))
October 2002

Show Answer

Answer: ((a))

October 2000

The ratio between net work for one cycle in a process and displacement volume is -

((a))
Mean effective pressure
((b))
Temperature ratio
((c))
Volume ratio
((d))
Pressure ratio

Show Answer

Answer: ((a))

Mean effective pressure

Calcium oxide and water combine to form calcium hydroxide. This is an example of __________ reaction.

((a))
Exothermic reaction
((b))
Combination reaction
((c))
Both combination reaction and exothermic reaction
((d))
Endothermic reaction

Show Answer

Answer: ((a))

Exothermic reaction

To measure which of the following is an ammeter used?

((a))
Electric current
((b))
Potential difference
((c))
Resistance
((d))
Electric charge

Show Answer

Answer: ((a))

Electric current

With which of the following sports is Black Pearl associated?

((a))
Snooker
((b))
Soccer
((c))
Golf
((d))
Horse Racing

Show Answer

Answer: ((a))

Snooker

The brain interprets the frequency of an emitted sound called -

((a))
Wavelength
((b))
Wave velocity
((c))
Pitch
((d))
Oscillation

Show Answer

Answer: ((a))

Wavelength

A ray of light passing through principal focus of a convex lens after refraction will emerge -

((a))
Through the centre of curvature
((b))
Through the principal focus
((c))
Parallel to the principal axis
((d))
Without any deviation

Show Answer

Answer: ((a))

Through the centre of curvature

The operation involving light and rapid hammering on the weld soon after welding, to relieve stress is called -

((a))
Straightening
((b))
Peening
((c))
Annealing
((d))
Heat treatment

Show Answer

Answer: ((a))

Straightening

_______________ is a weld where the size of the weld is the same as the thickness of the thinner object joined together.

((a))
Continuous intermittent fillet weld
((b))
Staggered intermittent fillet weld
((c))
Full fillet weld
((d))
Chain intermittent fillet weld

Show Answer

Answer: ((a))

Continuous intermittent fillet weld

Odisha shares its border with ________ Indian states.

((a))
Six
((b))
Three
((c))
Four
((d))
Five

Show Answer

Answer: ((a))

Six

The ratio of brake power to indicated power is called -

((a))
Indicated thermal efficiency
((b))
Relative efficiency
((c))
Mechanical efficiency
((d))
Volumetric efficiency

Show Answer

Answer: ((a))

Indicated thermal efficiency

A typical S-N curve for a material is related to _________ failure assessment.

((a))
Fatigue
((b))
Creep
((c))
Shear
((d))
Impact

Show Answer

Answer: ((a))

Fatigue

Convert 373⁰ C into Kelvin scale.

((a))
746 K
((b))
846 K
((c))
546 K
((d))
646 K

Show Answer

Answer: ((a))

746 K

With the increase in atomic number in period -

((a))
Chemical reactivity decreases
((b))
Metallic character increases
((c))
Metallic character decreases
((d))
Chemical reactivity increases

Show Answer

Answer: ((a))

Chemical reactivity decreases

Galvanization is the process of coating a metal with -

((a))
Enamel
((b))
Tin
((c))
Red oxide
((d))
Zinc

Show Answer

Answer: ((a))

Enamel

Nuclides which have same mass number are called -

((a))
Isotones
((b))
Isotopes
((c))
Isomers
((d))
Isobars

Show Answer

Answer: ((a))

Isotones

With which sport is the term 'Beamer' associated?

((a))
Chess
((b))
Football
((c))
Hockey
((d))
Cricket

Show Answer

Answer: ((a))

Chess

A group of stars, which has a recognisable shape is called as -

((a))
Comet
((b))
Meteoroid
((c))
Meteorite
((d))
Constellation

Show Answer

Answer: ((a))

Comet

Which of the following is difficult without friction?

((a))
Moving a heavy box from one place to another
((b))
Holding a glass tumbler
((c))
Playing carrom
((d))
The movement of the door

Show Answer

Answer: ((a))

Moving a heavy box from one place to another

_____________ is known as balanced flame.

((a))
Oxidising flame
((b))
Carburising flame
((c))
Neutral flame
((d))
Reducing flame

Show Answer

Answer: ((a))

Oxidising flame

Which great personality of the world was also known as 'Fuehrer'?

((a))
Adolf Hitler
((b))
Vladimir Lenin
((c))
Joseph Stalin
((d))
Napoleon Bonaparte

Show Answer

Answer: ((a))

Adolf Hitler

What is the name of world's first robot citizen created in October 2017?

((a))
Stella
((b))
Michael
((c))
Dennis
((d))
Sophia

Show Answer

Answer: ((a))

Stella

Who is the present CBI Director? (September 2019)

((a))
Alok Verma
((b))
Rishi Kumar Shukla
((c))
Sanjay Mathur
((d))
Rakesh Asthana

Show Answer

Answer: ((a))

Alok Verma

The rate of change of momentum of an object is -

((a))
Equal to displacement of the object
((b))
Directly proportional to the resultant force applied
((c))
Equal to its mass
((d))
Inversely proportional to the resultant force applied

Show Answer

Answer: ((a))

Equal to displacement of the object

In 2019, which country launched a new export route to India through the Chabahar Port?

((a))
Afghanistan
((b))
Pakistan
((c))
Nepal
((d))
Bhutan

Show Answer

Answer: ((a))

Afghanistan

Which type of paint is manufactured by dissolving asphalt or vegetable bitumen in oil or petroleum?

((a))
Bituminous paint
((b))
Cement paint
((c))
Enamel Paint
((d))
Synthetic rubber paint

Show Answer

Answer: ((a))

Bituminous paint

Which of the following is a physical property of a metal?

((a))
Reduction
((b))
Melting point
((c))
Corrosion

×

duplicate options found. English Question 1 options 2,3
((d))
Oxidation

Show Answer

Answer: ((a))

Reduction

The first Chairperson of the National Green Tribunal (NGT) was -

((a))
Justice A K Ganguly
((b))
Justice Markandey Katju
((c))
Justice A.S. Naidu
((d))
Justice Lokeshwar Singh Panta

Show Answer

Answer: ((a))

Justice A K Ganguly

Which country is the host of ICC Women's T20 World Cup 2020?

((a))
West Indies
((b))
Australia
((c))
England
((d))
India

Show Answer

Answer: ((a))

West Indies

Which of the following is a ferrous material?

((a))
Cast iron
((b))
Copper
((c))
Nickel
((d))
Aluminium

Show Answer

Answer: ((a))

Cast iron

Which of the following materials has the lowest melting point?

((a))
Tungsten
((b))
Wrought iron
((c))
Zinc
((d))
Magnesium

Show Answer

Answer: ((a))

Tungsten

When was the Gandhi - Irwin pact carried out?

((a))
1930
((b))
1931
((c))
1941
((d))
1940

Show Answer

Answer: ((a))

1930

The ocean covers ________ percentage of Earth’s surface.

((a))
71%
((b))
51%
((c))
91%
((d))
61%

Show Answer

Answer: ((a))

71%

_______________ is a solid state welding process in which coalescence is effected by high - velocity movement together of the parts to be joined produced by a controlled detonation.

((a))
Friction welding
((b))
Explosion welding
((c))
Forged welding
((d))
Diffusion welding

Show Answer

Answer: ((a))

Friction welding

When did India first take part in the Olympic Games?

((a))
1920
((b))
1972
((c))
1974
((d))
1928

Show Answer

Answer: ((a))

1920

A rectangular channel that carries a discharge of 5 m³/sec is 2 m wide. The critical depth of the flow is -

((a))
1.25 m
((b))
1.07 m
((c))
0.565 m
((d))
0.86 m

Show Answer

Answer: ((a))

1.25 m

Which of the following animals was under the category of “critically endangered species” till 2008, later upgraded to "endangered species"?

((a))
Panda
((b))
Asiatic Lion
((c))
Sumatran Rhinoceros
((d))
Indian Tiger

Show Answer

Answer: ((a))

Panda

How many zones are there in neutral flame?

((a))
5
((b))
3
((c))
4
((d))
2

Show Answer

Answer: ((a))

The ratio of the electrode diameter to core diameter is -

((a))
Weld ratio
((b))
Coating factor
((c))
Coating efficiency
((d))
Core factor

Show Answer

Answer: ((a))

Weld ratio

Who has been appointed as the Chairman of India’s Lokpal or anti-corruption ombudsman?

((a))
Mehr Chand Mahajan
((b))
Pinaki Chandra Ghose
((c))
Bijan Kumar Mukherjee
((d))
Sudhi Ranjan Das

Show Answer

Answer: ((a))

Mehr Chand Mahajan

The important pass that links Kerala with Tamil Nadu is -

((a))
Thalghat
((b))
Palghat
((c))
Bhor Ghat
((d))
Aramboli

Show Answer

Answer: ((a))

Thalghat

'Swing over carriage' of a lathe refers to which of the following?

((a))
Diameter of hole through lathe spindle
((b))
Maximum job length that can be held between the centres
((c))
Largest diameter of work that will revolve over the lathe saddle
((d))
Height of the centres measured over the lathe bed

Show Answer

Answer: ((a))

Diameter of hole through lathe spindle

Which of the following is used as energiser in pack carburising?

((a))
Barium carbonate
((b))
Sodium phosphate
((c))
Hydrogen peroxide
((d))
Sodium carbonate

Show Answer

Answer: ((a))

Barium carbonate

The binary equivalent of the decimal number 10 is __________.

((a))
0010
((b))
10
((c))
010
((d))
1010

Show Answer

Answer: ((a))

0010

The crystal structure of α-iron is -

((a))
Close packed hexagonal
((b))
Body centered cubic
((c))
Simple cubic
((d))
Face centered cubic

Show Answer

Answer: ((a))

Close packed hexagonal

Which of the following is NOT involved in five M's in production or operations management?

((a))
Materials
((b))
Motion
((c))
Men
((d))
Machines

Show Answer

Answer: ((a))

Materials

The ratio of specific heat of air at constant pressure to the specific heat of air at constant volume is equal to -

((a))
1.41
((b))
1.89
((c))
1.01
((d))
2.2

Show Answer

Answer: ((a))

1.41

A Bell - Coleman cycle is a reversed -

((a))
Brayton cycle
((b))
Ericsson cycle
((c))
Carnot cycle
((d))
Atkinson cycle

Show Answer

Answer: ((a))

Brayton cycle

When a structural member is strained due to external imposed loads, the energy stored is called -

((a))
Yield point
((b))
Strain energy
((c))
Elastic limit
((d))
Endurance limit

Show Answer

Answer: ((a))

Yield point

A circular cylinder partly filled with a liquid is rotated about its axis at ω rad/s without spilling. At the walls, the rise of liquid surface above the original level will be -

((a))
ω² r² / 8g
((b))
ω² r² / g
((c))
ω² r² / 4g
((d))
ω² r² / 2g

Show Answer

Answer: ((a))

ω² r² / 8g

A material which fails suddenly without any plastic deformation is said to be -

((a))
Ductile material
((b))
Elastic material
((c))
Plastic material
((d))
Brittle material

Show Answer

Answer: ((a))

Ductile material

The term PAN in chemical refers to -

((a))
Peroxyacyl nitrogen
((b))
Peroxyacyl nitrolic
((c))
Peroxyacyl nitrite
((d))
Peroxyacyl nitrate

Show Answer

Answer: ((a))

Peroxyacyl nitrogen

MAC address is of :

((a))
24 bits
((b))
36 bits
((c))
48 bits
((d))
42 bits

Show Answer

Answer: ((a))

24 bits

The ruby rod used in lasers is made of -

((a))
Copper
((b))
Silicon
((c))
Duriron
((d))
Aluminium oxide

Show Answer

Answer: ((a))

Copper

Which of the following statements is TRUE about anodising?

((a))
It is a zinc diffusion process
((b))
It is a process used for making thin phosphate coating on steel to act as a base or primer for enamels and paints
((c))
It is an oxidising process used for aluminium and magnesium articles
((d))
It is a process of coating of zinc by hot dipping

Show Answer

Answer: ((a))

It is a zinc diffusion process

The B-H curve for ______ will be a straight line passing through the origin.

((a))
Silicon steel
((b))
Soft iron
((c))
Air
((d))
Hardened steel

Show Answer

Answer: ((a))

Silicon steel

A Mcleod gauge is used to measure -

((a))
The acidity of a solution
((b))
Vacuum pressure
((c))
Diameter of fine particles
((d))
Discharge through a river

Show Answer

Answer: ((a))

The acidity of a solution

The distance transversed by a particle along the straight line in t seconds is represented by x = t³ (t - 6), the acceleration of the particle will be given by the equation :

((a))
12t² - 36
((b))
4t³ - 18t²
((c))
9t² - 18t
((d))
12t² - 36t

Show Answer

Answer: ((a))

12t² - 36

In M - L - t - T system, the dimension of thermal diffusivity is -

((a))
M L² t^-1
((b))
L² t^-1
((c))
M² L² T^-1
((d))
L T^-2

Show Answer

Answer: ((a))

M L² t^-1

If the zero of the vernier scale is on the right of zero of the main scale, then the -

((a))
Zero correction will be negative
((b))
Both zero error will be positive and zero correction will be negative
((c))
Zero error will be positive
((d))
Zero error will be negative

Show Answer

Answer: ((a))

Zero correction will be negative

Rutherford's alpha particle scattering experiment was responsible for the discovery of -

((a))
Neutron
((b))
Atomic nucleus
((c))
Electron
((d))
Proton

Show Answer

Answer: ((a))

Neutron

The 3 R principle in waste management involves -

((a))
Reduce, Reuse, Recycle
((b))
Reduce, Reform, Reset
((c))
Reduce, Regain, Reuse
((d))
Reduce, Retain, Regain

Show Answer

Answer: ((a))

Reduce, Reuse, Recycle

The range of a projectile is maximum, when the angle of projection is -

((a))
60°
((b))
45°
((c))
90°
((d))
30°

Show Answer

Answer: ((a))

60°

Capillary tube viscometers used for measurement of viscosity are based on -

((a))
Hagen - Poiseuille equation
((b))
Stoke's Law
((c))
Chezy equation
((d))
Darcy - Weisbach equation

Show Answer

Answer: ((a))

Hagen - Poiseuille equation

For a column of length (L) and flexural rigidity (EI) which has one end fixed and other end free, the expression for critical load is given as -

((a))
P = π²EI/L²
((b))
P = 4π²EI/L²
((c))
P = 2π²EI/L²
((d))
P = π²EI/4L²

Show Answer

Answer: ((a))

P = π²EI/L²

Which of the following type of layout is suitable for automobile manufacturing concern?

((a))
Product layout
((b))
Combination layout
((c))
Process layout
((d))
Fixed position layout

Show Answer

Answer: ((a))

Product layout

In source data entry devices, what is full form of OMR?

((a))
Open Mark Recognition
((b))
Optical Mark Recognition
((c))
Optical Message Reader
((d))
Open Message Recognition

Show Answer

Answer: ((a))

Open Mark Recognition

Single point thread cutting tool should ideally have:

((a))
Zero rake
((b))
Positive rake
((c))
Negative rake
((d))
Normal rake

Show Answer

Answer: ((a))

Zero rake

The three forces of 100 N, 200 N and 300 N have their lines of action parallel to each other but act in opposite directions. These forces are known as -

((a))
Non - concurrent non - parallel forces
((b))
Coplanar concurrent forces
((c))
Like parallel forces
((d))
Unlike parallel forces

Show Answer

Answer: ((a))

Non - concurrent non - parallel forces

For grade IT 7, value of tolerance is equal to -

(where IT - International Tolerance and i - standard tolerance unit/factor)

((a))
8 i
((b))
16 i
((c))
24 i
((d))
10 i

Show Answer

Answer: ((a))

8 i

Centre of buoyancy is -

((a))
Centre of gravity of the body
((b))
Centre of mass of displaced fluid
((c))
Mid point between Centre of gravity and metacentre
((d))
The point of intersection of buoyant force and centre line of the body

Show Answer

Answer: ((a))

Centre of gravity of the body

In MS - Excel, what is the shortcut key you can press to Select the entire row?

((a))
Ctrl + Shift + Space
((b))
Ctrl + Home
((c))
Ctrl + Space
((d))
Shift + Space

Show Answer

Answer: ((a))

Ctrl + Shift + Space

In the number drill series, the largest drill size is _________.

((a))
5.613 mm
((b))
5.791 mm
((c))
5.410 mm
((d))
4.523 mm

Show Answer

Answer: ((a))

5.613 mm

In Gmail, the email address of the recipients can be entered in __________ field.

((a))
From
((b))
Message
((c))
Subject
((d))
To

Show Answer

Answer: ((a))

From

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

((a))
$\frac{b d^3}{12}$
((b))
$\frac{d b^3}{12}$
((c))
$\frac{b d^3}{36}$
((d))
$\frac{d b^3}{36}$

Show Answer

Answer: ((a))

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

The dodo was extinct due to -

((a))
Invasion of non-native species
((b))
Over-exploitation of resources
((c))
Pollution
((d))
Global environmental change

Show Answer

Answer: ((a))

Invasion of non-native species

Identify the non - renewable source of energy from the following.

((a))
Fuel cells
((b))
Wind power
((c))
Wave power
((d))
Coal

Show Answer

Answer: ((a))

Fuel cells

Rails of railway track are welded by -

((a))
Thermit welding
((b))
TIG welding
((c))
Carbon dioxide welding
((d))
SAW

Show Answer

Answer: ((a))

Thermit welding

In a thick cylinder pressurized from inside, the hoop stress is maximum at :

((a))
The outer radius
((b))
The inner radius
((c))
Both the inner and the outer radii
((d))
The centre of the wall thickness

Show Answer

Answer: ((a))

The outer radius

_______ .has the highest value of Poisson's ratio

((a))
Concrete
((b))
Wood
((c))
Steel
((d))
Rubber

Show Answer

Answer: ((a))

Concrete

Aeroplane and certain automobile parts are usually made of -

((a))
Duralumin
((b))
German silver
((c))
Magnalium
((d))
Aluminium bronze

Show Answer

Answer: ((a))

Duralumin

A shaft of 50 mm diameter and 0.7 m long is subjected to a torque of 1200 Nm. Calculate the shear stress.

((a))
33.3 MPa
((b))
67.7 MPa
((c))
93.2 MPa
((d))
48.9 MPa

Show Answer

Answer: ((a))

33.3 MPa

Which of the following lines is known as the trend line?

((a))
Least square line
((b))
End point line
((c))
Terminal line
((d))
Best - fit line

Show Answer

Answer: ((a))

Least square line

Which industry flourishes in Nepanagar?

((a))
Paper Industry
((b))
Chemical Industry
((c))
Sugar Industry
((d))
Cement Industry

Show Answer

Answer: ((a))

Paper Industry

The above given diagram is ________ surface grinding machine.

((a))
Horizontal spindle and rotary table
((b))
Horizontal spindle and reciprocating table
((c))
Vertical spindle and reciprocating table
((d))
Vertical spindle and rotary table

Show Answer

Answer: ((a))

Horizontal spindle and rotary table

Silica is -

((a))
A ceramic material
((b))
A metallic alloy
((c))
An organic polymer
((d))
A composite material

Show Answer

Answer: ((a))

A ceramic material

Two forces of magnitude 6 N and 10 N are inclined at an angle of 60° with each other. The magnitude of the resultant force is -

((a))
6 N
((b))
16 N
((c))
14 N
((d))
5 N

Show Answer

Answer: ((a))

6 N

In an iron - carbon alloy, the content of carbon is stated to be 4.3 percent. Such a cast iron is known as -

((a))
Hypo eutectic cast iron
((b))
Hyper eutectic cast iron
((c))
Eutectic cast iron
((d))
Such a nomenclature does not exist

Show Answer

Answer: ((a))

Hypo eutectic cast iron

The letter K in the conventional abrasive wheel specified by 51 A 60 K 5 V 05 denotes the -

((a))
Hardness of the wheel
((b))
Type of abrasive
((c))
Bond material
((d))
Structure of the wheel

Show Answer

Answer: ((a))

Hardness of the wheel

Which of the following statements is FALSE about CPM?

((a))
It is an activity oriented technique
((b))
It is mainly used for construction programme
((c))
It ignores chance element
((d))
It is an event oriented technique

Show Answer

Answer: ((a))

It is an activity oriented technique

In inventory control theory, the Economic Order Quantity is

((a))
Capacity of a warehouse
((b))
Lot size corresponding to break-even analysis
((c))
Optimum lot size
((d))
Average level of inventory

Show Answer

Answer: ((a))

Capacity of a warehouse

Cutting ratio is the ratio of -

((a))
Cutting velocity to chip velocity
((b))
Chip velocity to cutting velocity
((c))
Depth of cut to cutting velocity
((d))
Chip thickness to depth of cut

Show Answer

Answer: ((a))

Cutting velocity to chip velocity

Sherardizing is a corrosion resistant coating of ________on the surface of iron.

((a))
Copper
((b))
Aluminium
((c))
Zinc
((d))
Nickel

Show Answer

Answer: ((a))

Copper

For laminar flow through a pipe, the friction factor -

((a))
Varies linearly with the Reynold's number
((b))
Is exactly equal to the square of Reynold's number
((c))
Is independent of Reynold's number
((d))
Varies linearly with the inverse of Reynold's number

Show Answer

Answer: ((a))

Varies linearly with the Reynold's number

The Moment of Inertia of a body does not depend upon -

((a))
Shape of the body
((b))
Mass of the body and its distribution within the body
((c))
Angular velocity of the body
((d))
Axis of rotation of the body

Show Answer

Answer: ((a))

Shape of the body

Which of the following planers are specially designed for cutting the edges of heavy steel plates, pressure vessels and armoured plates?

((a))
Double column planer
((b))
Plate planer
((c))
Open side planer
((d))
Pit type planer

Show Answer

Answer: ((a))

Double column planer

__________ is the process used to shine metal, wood, or composites using a cloth wheel impregnated with cutting compounds or rouges.

((a))
Honing
((b))
Nitriding
((c))
Lapping
((d))
Buffing

Show Answer

Answer: ((a))

Honing

Chatter in machine tools is caused due to -

((a))
Transient vibration
((b))
Self - excited vibration
((c))
Free vibration
((d))
Forced vibration

Show Answer

Answer: ((a))

Transient vibration

Negative slack occurs when -

((a))
Events stick to their schedule
((b))
Dummy activities are large in number
((c))
Activities lie in critical path
((d))
There is deficiency of resources

Show Answer

Answer: ((a))

Events stick to their schedule

100

______ is the process used for applying a protective finish to metallic objects.

((a))
Embossing
((b))
Engraving
((c))
Lacquering
((d))
Etching

Show Answer

Answer: ((a))

Embossing

101

The output is high only if one of the input is high. The above statement represents _____

((a))
NAND gate
((b))
OR gate
((c))
AND gate
((d))
EX - OR gate

Show Answer

Answer: ((a))

NAND gate

102

Which of the following theorem states that the algebraic sum of the moments of a system of coplanar forces about a moment centre in their plane is equal to the moment of their resultant force about the same moment centre?

((a))
Varignon's theorem
((b))
Triangle law of forces
((c))
Lami's theorem
((d))
Parallelogram law of forces

Show Answer

Answer: ((a))

Varignon's theorem

103

Which of the following is known as the Hermaphrodite caliper?

((a))
Inside caliper
((b))
Odd leg caliper
((c))
Outside caliper
((d))
Transfer caliper

Show Answer

Answer: ((a))

Inside caliper

104

Which of the following types of medicine is used for treating indigestion?

((a))
Antacid
((b))
Analgesic
((c))
Antiseptic
((d))
Antibiotic

Show Answer

Answer: ((a))

Antacid

105

The specific speed of a centrifugal pump is defined as the speed of geometrically similar pump which would -

((a))
Deliver unit discharge at unit power
((b))
Produce unit power with unit head
((c))
Deliver unit discharge at unit head
((d))
Require unit power to develop unit head

Show Answer

Answer: ((a))

Deliver unit discharge at unit power

106

The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called -

((a))
Density of liquid
((b))
Surface tension of liquid
((c))
Specific gravity of liquid
((d))
Compressibility of liquid

Show Answer

Answer: ((a))

Density of liquid

107

Dalton's law states that the total pressure of the mixture of gases is equal to -

((a))
Sum of the partial pressures of all multiplied by the average atomic weight
((b))
Sum of the partial pressures of all the gases
((c))
Average of the partial pressures of all the gases
((d))
Product of the partial pressures of all the gases

Show Answer

Answer: ((a))

Sum of the partial pressures of all multiplied by the average atomic weight

108

An email address consists of _____ parts.

((a))
2
((b))
3
((c))
4
((d))
5

Show Answer

Answer: ((a))

109

Piston compression rings are made of -

((a))
Cast iron
((b))
Aluminium
((c))
Brass
((d))
Spring steel

Show Answer

Answer: ((a))

Cast iron

110

Stress at any point in a material is defined as -

((a))
Load per unit time
((b))
Young's modulus of elasticity per unit strain
((c))
Modulus of rigidity
((d))
Resisting force per unit area

Show Answer

Answer: ((a))

Load per unit time

111

When work piece is fed in the same direction as that of the cutter tooth at the point of contact, that type of milling is known as -

((a))
Down milling
((b))
Slot milling
((c))
Up milling
((d))
Slab milling

Show Answer

Answer: ((a))

Down milling

112

In PERT analysis, the possible number of time estimates for activities linking up two events are -

((a))
Four - time estimates
((b))
Two - time estimates
((c))
Three - time estimates
((d))
One - time estimate

Show Answer

Answer: ((a))

Four - time estimates

113

When a peripheral device needs immediate attention from the operating system, it generates a(n) :

((a))
Spool
((b))
Interrupt
((c))
Page File
((d))
Stack

Show Answer

Answer: ((a))

Spool

114

The pour point of any specific fuel is defined as -

((a))
The minimum temperature at which it gives sufficient quantity inflamable vapours to ignite in contact with the flame
((b))
The temperature at which it freezes
((c))
The temperature at which fuel catch fire
((d))
The temperature below which it becomes plastic and will not flow

Show Answer

Answer: ((a))

The minimum temperature at which it gives sufficient quantity inflamable vapours to ignite in contact with the flame

115

The relationship between tool life (T) and cutting speed (V) m/min is given as -

((a))
Vⁿ/T = C
((b))
VTⁿ = C
((c))
VⁿT = C
((d))
Tⁿ/V = C

Show Answer

Answer: ((a))

Vⁿ/T = C

116

Which of the following is NOT a stylus probe instrument?

((a))
Taylor Hobson Talysurf
((b))
Tomlinson surface meter
((c))
Microscope
((d))
Profilometer

Show Answer

Answer: ((a))

Taylor Hobson Talysurf

117

In ABC analysis, the C items are those which represents -

((a))
Small percentage of closing inventory value
((b))
Small percentage of total consumption value
((c))
High percentage of closing inventory value
((d))
High percentage of total consumption

Show Answer

Answer: ((a))

Small percentage of closing inventory value

118

Silver article become black on prolonged exposure to air. This is due to formation of

((a))
Ag₂SO₃
((b))
Ag₂S
((c))
Ag₂O
((d))
Ag₃N

Show Answer

Answer: ((a))

Ag₂SO₃

119

The value of modulus of elasticity for steel is -

((a))
2 × 10⁵ kgf/cm²
((b))
2 × 10⁶ kgf/cm²
((c))
1 × 10⁶ kgf/cm²
((d))
0.5 × 10⁶ kgf/cm²

Show Answer

Answer: ((a))

2 × 10⁵ kgf/cm²

120

Which of the following beams is likely to have the point of contraflexure?

((a))
Beam fixed at both ends
((b))
Cantilever beam
((c))
Simply supported beam
((d))
Beam with over hangs

Show Answer

Answer: ((a))

Beam fixed at both ends

121

Which of the following is NOT a part of micrometer?

((a))
Spindle
((b))
Beam
((c))
Anvil
((d))
Sleeve

Show Answer

Answer: ((a))

Spindle

122

A fine grained steel is -

((a))
More ductile and has a less tendency to distort during heat treatment
((b))
Less tough and has a greater tendency to distort during heat treatment
((c))
More ductile and has a greater tendency to distort during heat treatment
((d))
Less tough and has a less tendency to distort during heat treatment

Show Answer

Answer: ((a))

More ductile and has a less tendency to distort during heat treatment

123

Which of the following is a scalar quantity?

((a))
Impulse
((b))
Torque
((c))
Momentum
((d))
Energy

Show Answer

Answer: ((a))

Impulse

124

“Ozone Hole” is a -

((a))
Hole in the atmosphere
((b))
Hole in the troposphere
((c))
Destruction of ozone layer
((d))
Hole in the hydrosphere

Show Answer

Answer: ((a))

Hole in the atmosphere

125

What is the standard unit for luminous intensity?

((a))
Tesla
((b))
Candela
((c))
Steradian
((d))
Radian

Show Answer

Answer: ((a))

Tesla

126

Which of the following is used to cut any text or field in MS-Excel?

((a))
Ctrl + A
((b))
Alt + C
((c))
Ctrl + X
((d))
Ctrl + C

Show Answer

Answer: ((a))

Ctrl + A

127

Which of the following instruments is used to measure the surface roughness?

((a))
Profilometer
((b))
Auto - collimator
((c))
Clinometer
((d))
Optical square

Show Answer

Answer: ((a))

Profilometer

128

Bin cards are used in keeping record of -

((a))
Machine utilization
((b))
Entry/exit time of workers
((c))
Material storage
((d))
Man power

Show Answer

Answer: ((a))

Machine utilization

129

A cantilever beam is one which is -

((a))
Fixed at one end and free at the other end
((b))
Fixed at both ends
((c))
Supported at its ends
((d))
Supported at more than two points

Show Answer

Answer: ((a))

Fixed at one end and free at the other end

130

Which of the following parameters indicates the spacing between the abrasive grains of a grinding wheel?

((a))
Structure
((b))
Both grade and bond
((c))
Bond
((d))
Grade

Show Answer

Answer: ((a))

Structure

131

Which of the following fits is classified under transition fit?

((a))
Loose fit
((b))
Wringing fit
((c))
Side fit
((d))
Running fit

Show Answer

Answer: ((a))

Loose fit

132

Bauxite is used for -

((a))
Manufacture of aluminium
((b))
Refining gold
((c))
Extracting magnesium
((d))
Making of nuclear fuels

Show Answer

Answer: ((a))

Manufacture of aluminium

133

Which of the following describes the orificemeter?

((a))
A pipe has contra, throat and divergent portion
((b))
A tunnel section with a large reservoir
((c))
A pipe has a circular plate with a hole inside it
((d))
A large tank with a small hole at one of its ends

Show Answer

Answer: ((a))

A pipe has contra, throat and divergent portion

134

The process of removing dull grains in order to make grinding wheel sharp is known as -

((a))
Trueing
((b))
Loading
((c))
Dressing
((d))
Glazing

Show Answer

Answer: ((a))

Trueing

135

The size of a planer is generally specified by -

((a))
Table size and height of cross rail
((b))
Stroke length
((c))
Table size
((d))
Number of tools provided

Show Answer

Answer: ((a))

Table size and height of cross rail

136

Euler's formula is not valid for mild steel column when slenderness ratio is -

((a))
Less than 80
((b))
More than 80
((c))
More than 120
((d))
More than 30

Show Answer

Answer: ((a))

Less than 80

137

Which of the following points is NOT found on iron-carbon equilibrium diagram?

((a))
Peritectic point
((b))
Curie point
((c))
Eutectic point
((d))
Eutectoid point

Show Answer

Answer: ((a))

Peritectic point

138

If one mole of carbon atoms weighs 12 gram, what is the mass in gram of 1 atom of carbon?

((a))
3 × 10^-23 g
((b))
1.99 × 10^-23 g
((c))
2 × 10^-22 g
((d))
1 × 10^-23 g

Show Answer

Answer: ((a))

3 × 10^-23 g

139

Which of the following is NOT a world heritage site?

((a))
Kaziranga National Park
((b))
Periyar National Park
((c))
Manas Wildlife Sanctuary
((d))
Nanda Devi National Park

Show Answer

Answer: ((a))

Kaziranga National Park

140

Minati Mishra is associated with -

((a))
Odissi
((b))
Manipuri
((c))
Bharatanatyam
((d))
Kathakali

Show Answer

Answer: ((a))

Odissi

141

The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be -

((a))
75%
((b))
100%
((c))
25%
((d))
50%

Show Answer

Answer: ((a))

75%

142

In P - system of inventory control -

((a))
Reorder point is fixed
((b))
Time between orders is constant
((c))
Production rate remains constant
((d))
Order quantity remains constant

Show Answer

Answer: ((a))

Reorder point is fixed

143

_____________is the process of removing exhaust gases from the cylinder after combustion and replenishing the cylinder with fresh air.

((a))
Supercharging
((b))
Knocking
((c))
Detonation
((d))
Scavenging

Show Answer

Answer: ((a))

Supercharging

144

In a differential manometer, a head of 0.5 m of fluid A in limb 1 is found to balance a head of 0.3 m of fluid B in limb 2. The atmospheric pressure is 760 mm of mercury. The ratio of specific gravities of A to B is-

((a))
0.25
((b))
2
((c))
0.6
((d))
4

Show Answer

Answer: ((a))

0.25

145

Darcy Weisbach equation is used to find loss of head due to -

((a))
Friction
((b))
Sudden contraction
((c))
Sudden enlargement
((d))
Obstruction

Show Answer

Answer: ((a))

Friction

146

In a Capstan lathe, turret is mounted on -

((a))
Headstock
((b))
Copy turning attachment
((c))
Compound slide
((d))
A short slide of ram sliding on the saddle

Show Answer

Answer: ((a))

Headstock

147

Which of the following is an example of chlorinated hydrocarbon insecticide?

((a))
Oxamyl
((b))
Fenthion
((c))
Toxaphene
((d))
Allethrin

Show Answer

Answer: ((a))

Oxamyl

148

During manufacture of cement, the handling of lime stone is done by -

((a))
Bucket conveyor
((b))
Belt conveyor
((c))
Fork lift crane
((d))
Overhead crane

Show Answer

Answer: ((a))

Bucket conveyor

149

Impulse gives a measure of the product of -

((a))
Force and velocity
((b))
Force and time
((c))
Force and displacement
((d))
Mass and acceleration

Show Answer

Answer: ((a))

Force and velocity

150

Which of the following is an example of popular antivirus?

((a))
Bitdefender
((b))
Worms
((c))
Sasser
((d))
Encrypted virus

Show Answer

Answer: ((a))

Bitdefender

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