Which of the following metals is the most prone to work hardening?

Question

Which of the following metals is the most prone to work hardening?

A. Brass

C. Copper

D. Lead

Correct Answer :

A. Brass

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Steel produced from phosphatic iron is __________ in nature.

D. Tough

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Brittleness induced due to the presence of sulphur in steel can be reduced by adding

D. Copper

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The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

A. 2300 J

B. 4600 J

C. 230 J

Discuss this answer

Which of the following is not the function of a volute casing provided in a centrifugal pump?

Discuss this answer

The co-ordination number in simple cubic structure is

A. 4

B. 6

C. 8

D. 12

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In __________ process, there is an increase in entropy with no degradation of energy.

Discuss this answer

Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble of the same size & of the same fluid?

A. p

B. 2 p

C. 0.5 p

D. 0.25 p

Discuss this answer

Biological shield in a nuclear reactor is generally provided to protect against the

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Out of the following, the __________ pipe has the least corrosion resistance.

B. Copper

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__________ is not used as a material of construction in thermocouples.

A. Alumel

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'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

A. Petrol

B. LPG

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Carbon is present in the form of __________ in grey cast iron.

C. Flakes

Discuss this answer

Broaching tools are usually made of

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The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of __________ mm.

A. 0.001

B. 0.01

C. 0.002

D. 0.02

Discuss this answer

Electrochemical corrosion can occur, only if __________ is present in contact with metal.

A. Air

B. Oxygen

Discuss this answer

The most prominent single cause of corrosion in boiler-tubes, drums, economisers and steam superheaters in a thermal power plant boiler is the

Discuss this answer

Reduction in the grain size reduces the __________ of the material.

Discuss this answer

In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.

Discuss this answer

The most suitable material for die casting is

A. Iron

B. Copper

C. Steel

D. Nickel

Discuss this answer

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

Discuss this answer

The burnout heat flux in the nucleate boiling regime is not a function of the

Discuss this answer

The condition of diffraction from a crystal is given by

Discuss this answer

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

Discuss this answer

Saturated steam at a pressure of 25 kg/cm² is throttled to attain 5 kg/cm². Then the outcoming steam will be

A. Wet

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Which of the following is a commonly used manometric liquid for low pressure range?

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at 1173E; at equilibrium, what will be the number of moles of CO gas required to reduce one mole of at 1173 K?

A. 1.0

B. 1.3

C. 2.3

D. 3.3

Discuss this answer

Water flow in the river during flood can be categorised as the __________ flow.

Discuss this answer

Which of the following materials does not form adherent oxide film on surface?

A. Copper

B. Nickel

Discuss this answer

Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

A. +4000

B. -4000

C. 10000

D. -10000

Discuss this answer

__________ of test specimens is not involved in any hardness testing method.

C. Wear

Discuss this answer

Answer 1

B. Aluminium

Answer 2

A. Malleable

Answer 3

B. Ductile

Answer 4

C. Brittle

Answer 5

A. Manganese

Answer 6

B. Magnesium

Answer 7

C. Vanadium

Answer 8

D. 2.3 × 10⁶ J

Answer 9

A. To reduce the head loss in discharge

Answer 10

B. To increase the pump efficiency

Answer 11

C. To collect liquid from the periphery of the impeller and to transmit it to the delivery pipe at constant velocity

Answer 12

D. To increase the pump discharge rate

Answer 13

A. Isothermal expansion

Answer 14

B. Isochoric heat addition

Answer 15

C. Polytropic expansion

Answer 16

D. Isobaric heat addition

Answer 17

A. α-rays

Answer 18

B. β-rays

Answer 19

C. Gamma rays & neutrons

Answer 20

D. Electrons

Answer 21

A. Mild steel

Answer 22

C. Cast iron

Answer 23

D. Wrought iron

Answer 24

B. Rhodium

Answer 25

C. Constantan

Answer 26

D. Duralumin

Answer 27

C. Light hydrocarbon gases (e.g. butane or propane)

Answer 28

D. None of these

Answer 29

A. Spheroids

Answer 30

B. Nodular aggregates of graphite

Answer 31

D. Cementite

Answer 32

A. Cermets

Answer 33

B. High speed steel

Answer 34

C. Tungsten carbide

Answer 35

D. Stellite

Answer 36

C. Liquid medium

Answer 37

D. Gaseous medium

Answer 38

A. Water alkalinity & leakage

Answer 39

B. Hydrazine addition during feed water treatment

Answer 40

C. Release of non-condensable gas from water in the boiler

Answer 41

D. Scale formation

Answer 42

A. Fatigue resistance

Answer 43

B. Tensile strength

Answer 44

C. Creep resistance

Answer 45

D. All (A), (B) & (C)

Answer 46

A. μ , α and θ all have units of m/s

Answer 47

B. μ , α and θ all have units of m2/s

Answer 48

C. α and θ have units of m2/s, while μ has unit of m/s

Answer 49

D. α and θ have units of m/s, while μ has unit of m2/s

Answer 50

A. Fatigue strength

Answer 51

B. Creep strength

Answer 52

C. Resilience

Answer 53

D. Endurance limit

Answer 54

A. Liquid density

Answer 55

B. Vapour density

Answer 56

C. Temperature difference

Answer 57

D. Heat of evaporation

Answer 58

A. nλ = 2d Sin θ

Answer 59

B. λ = d Sin 2θ

Answer 60

C. λ = 2d Sin 2θ

Answer 61

D. nλ = d Sin θ

Answer 62

A. Aluminium carbide

Answer 63

B. Tungsten carbide

Answer 64

C. Nickel carbide

Answer 65

D. Iron carbide

Answer 66

B. Saturated

Answer 67

C. Superheated

Answer 68

D. None of these

Answer 69

A. Ethyl alcohol

Answer 70

B. Carbon tetrachloride

Answer 71

C. Glycerol

Answer 72

D. Ethylene glycol

Answer 73

A. Unsteady uniform

Answer 74

B. Unsteady non-uniform

Answer 75

C. Steady uniform

Answer 76

D. Steady non-uniform

Answer 77

C. Aluminium

Answer 78

D. Gold & silver

Answer 79

A. Fracture

Answer 80

B. Indentation

Answer 81

D. Scratch

Which of the following metals is the most prone to work hardening?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Steel produced from phosphatic iron is __________ in nature.

Brittleness induced due to the presence of sulphur in steel can be reduced by adding

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

Which of the following is not the function of a volute casing provided in a centrifugal pump?

The co-ordination number in simple cubic structure is

In __________ process, there is an increase in entropy with no degradation of energy.

Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble of the same size & of the same fluid?

Biological shield in a nuclear reactor is generally provided to protect against the

Out of the following, the __________ pipe has the least corrosion resistance.

__________ is not used as a material of construction in thermocouples.

'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

Carbon is present in the form of __________ in grey cast iron.

Broaching tools are usually made of

The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of __________ mm.

Electrochemical corrosion can occur, only if __________ is present in contact with metal.

The most prominent single cause of corrosion in boiler-tubes, drums, economisers and steam superheaters in a thermal power plant boiler is the

Reduction in the grain size reduces the __________ of the material.

In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.

The most suitable material for die casting is

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

The burnout heat flux in the nucleate boiling regime is not a function of the

The condition of diffraction from a crystal is given by

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

Saturated steam at a pressure of 25 kg/cm² is throttled to attain 5 kg/cm². Then the outcoming steam will be

Which of the following is a commonly used manometric liquid for low pressure range?

at 1173E; at equilibrium, what will be the number of moles of CO gas required to reduce one mole of at 1173 K?

Water flow in the river during flood can be categorised as the __________ flow.

Which of the following materials does not form adherent oxide film on surface?

Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

__________ of test specimens is not involved in any hardness testing method.

Also checkout

Which of the following metals is the most prone to work hardening?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Steel produced from phosphatic iron is __________ in nature.

Brittleness induced due to the presence of sulphur in steel can be reduced by adding

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : Cp of copper is 23 J K-1mole-1)

Which of the following is not the function of a volute casing provided in a centrifugal pump?

The co-ordination number in simple cubic structure is

In __________ process, there is an increase in entropy with no degradation of energy.

Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble of the same size & of the same fluid?

Biological shield in a nuclear reactor is generally provided to protect against the

Out of the following, the __________ pipe has the least corrosion resistance.

__________ is not used as a material of construction in thermocouples.

'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

Carbon is present in the form of __________ in grey cast iron.

Broaching tools are usually made of

The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of __________ mm.

Electrochemical corrosion can occur, only if __________ is present in contact with metal.

The most prominent single cause of corrosion in boiler-tubes, drums, economisers and steam superheaters in a thermal power plant boiler is the

Reduction in the grain size reduces the __________ of the material.

In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.

The most suitable material for die casting is

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

The burnout heat flux in the nucleate boiling regime is not a function of the

The condition of diffraction from a crystal is given by

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2. Then the outcoming steam will be

Which of the following is a commonly used manometric liquid for low pressure range?

at 1173E; at equilibrium, what will be the number of moles of CO gas required to reduce one mole of at 1173 K?

Water flow in the river during flood can be categorised as the __________ flow.

Which of the following materials does not form adherent oxide film on surface?

Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

__________ of test specimens is not involved in any hardness testing method.

Also checkout

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

Saturated steam at a pressure of 25 kg/cm² is throttled to attain 5 kg/cm². Then the outcoming steam will be