Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part?

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Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part?

A. Anodising

B. Tempering

C. Carburising

D. Annealing

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The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________ at room temperature.

A. Air

B. Water

C. Mercury

D. Alcohol

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Aluminium is extracted from

A. Chalcocite

B. Bauxite

C. Galena

D. None of these

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Machinability of hard alloys and tool steels is improved by

A. Spheroidising

B. Annealing

C. Tempering

D. Normalising

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With increase in temperature, the surface tension of water

A. Increases

B. Decreases

C. Remain constant

D. Increases linearly

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Nitriding of a steel part does not increase its

A. Grain size

B. Fatigue limit

C. Surface hardness

D. Wear resistance

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Exposure to __________ accelerates the degradation of plastics.

A. Ultraviolet radiation

B. High atmospheric temperature

C. High ambient temperature

D. Damp atmosphere

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Cast iron contains __________ percent carbon.

A. 2.5

B. 3.75

C. 4.75

D. 5.25

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Limestone is added in the blast furnace (during pig iron manufacture) to

A. Form slag by combining with impurities

B. Supply heat by undergoing exothermic reaction with impurities

C. Reduce the coke consumption

D. Reduce slag viscosity

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The refractory lining of the bottom in a basic electric arc furnace is made of

A. Silica

B. Alumina

C. Magnesia

D. Fireclay

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__________ are normally subjected to sub-zero treatment.

A. Highly stressed parts

B. Gauges or precision parts

C. Cold rolled sheets

D. Non machinable materials

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The phenomenon occurring during explosion of a hydrogen bomb is

A. Nuclear fission

B. Nuclear fusion

C. A combination of both nuclear fission & fusion

D. None of these

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Boiler draught of 10 mm water column is equivalent to

A. 1 kgf/m²

B. 10 kgf/m²

C. 10 kgf/mm²

D. 1 kgf/mm²

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A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.

A. Independent of

B. Inversely proportional to

C. Directly proportional to

D. None of these

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Which of the following mainly decides the current to be employed is arc welding?

A. Electrode size

B. Plate thickness

C. Voltage across the arc

D. Welded portion length

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The atmospheric temperature during melting of ice/snow (in the atmosphere)

A. Decreases

B. Increases

C. Remain same

D. May increase or decrease; depends on the altitude where snow melts

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While the recrystallisation temperature for pure metals is 0.3 T_m, the same for alloys is equal to __________ × T_m (where, T_m Melting temperature).

A. 0.25

B. 0.45

C. 0.70

D. 0.95

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Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

A. Creep

B. Fatigue

C. Endurance

D. Tensile

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Pick out the wrong statement.

A. Molecules with symmetrical arrangements (e.g. CH₄ or CCl₄) are non-polar

B. Generally, non-polar compounds are chemically inactive, conduct electricity poorly and do not ionise

C. Most of the hydrocarbons are non-polar

D. None of these

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Cupola produces __________ iron.

A. Pig

B. Cast

C. Wrought

D. Carbon free

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High speed steel tools retain their hardness upto a temperature of __________ °C.

A. 500

B. 750

C. 900

D. 1100

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

A. Isothermal expansion

B. Isochoric heat addition

C. Polytropic expansion

D. Isobaric heat addition

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Larger length & diameter water pipes are made by

A. Electrical resistance welding

B. Die casting

C. Semi-centrifugal casting

D. Continuous casting

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Gross national product (GNP) means the total value of __________ in a country.

A. Goods produced

B. Gold reserve

C. Earning of the citizens

D. Taxes paid

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The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

A. Casting

B. Pattern

C. Draft

D. Distortion

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Which of the following contributes maximum as main source of sulphur in the blast furnace charge?

A. Sinter

B. Coke

C. Iron ore

D. Limestone

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'Amortization' in respect of financial obligation of a company means the

A. Liquidation of financial obligations on instalment basis

B. Commitment of financial obligation on priority

C. Liquidation of all the obsolete equipments of the company

D. Modernisation of the plant equipments

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The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

A. 3171P_a

B. 3567P_a

C. 1.01 × 10⁵P_a

D. 5000P_a

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

A. Manganese

B. Magnesium

C. Vanadium

D. Copper

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Energy of the sun arises mainly from __________ reactions.

A. Fusion

B. Fission

C. Combustion

D. None of these

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Often earing defects are found during deep drawing operation, because the

A. Surface finish of the sheet is poor

B. Sheet material has been given substantial spring back

C. Starting sheet has planer anisotropy due to its texture

D. Starting sheet has normal anisotropy due to its texture

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Accepted Answer

B. Tempering

Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________ at room temperature.

Aluminium is extracted from

Machinability of hard alloys and tool steels is improved by

With increase in temperature, the surface tension of water

Nitriding of a steel part does not increase its

Exposure to __________ accelerates the degradation of plastics.

Cast iron contains __________ percent carbon.

Limestone is added in the blast furnace (during pig iron manufacture) to

The refractory lining of the bottom in a basic electric arc furnace is made of

__________ are normally subjected to sub-zero treatment.

The phenomenon occurring during explosion of a hydrogen bomb is

Boiler draught of 10 mm water column is equivalent to

A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.

Which of the following mainly decides the current to be employed is arc welding?

The atmospheric temperature during melting of ice/snow (in the atmosphere)

While the recrystallisation temperature for pure metals is 0.3 T_m, the same for alloys is equal to __________ × T_m (where, T_m Melting temperature).

Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

Pick out the wrong statement.

Cupola produces __________ iron.

High speed steel tools retain their hardness upto a temperature of __________ °C.

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

Larger length & diameter water pipes are made by

Gross national product (GNP) means the total value of __________ in a country.

The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

Which of the following contributes maximum as main source of sulphur in the blast furnace charge?

'Amortization' in respect of financial obligation of a company means the

The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

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

Energy of the sun arises mainly from __________ reactions.

Often earing defects are found during deep drawing operation, because the

Also checkout

Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________ at room temperature.

Aluminium is extracted from

Machinability of hard alloys and tool steels is improved by

With increase in temperature, the surface tension of water

Nitriding of a steel part does not increase its

Exposure to __________ accelerates the degradation of plastics.

Cast iron contains __________ percent carbon.

Limestone is added in the blast furnace (during pig iron manufacture) to

The refractory lining of the bottom in a basic electric arc furnace is made of

__________ are normally subjected to sub-zero treatment.

The phenomenon occurring during explosion of a hydrogen bomb is

Boiler draught of 10 mm water column is equivalent to

A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.

Which of the following mainly decides the current to be employed is arc welding?

The atmospheric temperature during melting of ice/snow (in the atmosphere)

While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ × Tm (where, Tm Melting temperature).

Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

Pick out the wrong statement.

Cupola produces __________ iron.

High speed steel tools retain their hardness upto a temperature of __________ °C.

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

Larger length & diameter water pipes are made by

Gross national product (GNP) means the total value of __________ in a country.

The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

Which of the following contributes maximum as main source of sulphur in the blast furnace charge?

'Amortization' in respect of financial obligation of a company means the

The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

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

Energy of the sun arises mainly from __________ reactions.

Often earing defects are found during deep drawing operation, because the

Also checkout

While the recrystallisation temperature for pure metals is 0.3 T_m, the same for alloys is equal to __________ × T_m (where, T_m Melting temperature).

The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be