Hot & cold working of material causes its __________ deformation.

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Hot & cold working of material causes its __________ deformation.

A. Visco-elastic

B. Isotropic

C. Elastic

D. Plastic

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Normalising does not __________ of a metal.

A. Improve machinability & tensile strength

B. Remove internal stresses

C. Refine the structure

D. Remove strains caused by cold working

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Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

A. V/A

B. V/A²

C. V²/A

D. V²/A²

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Common salt is produced from sea water in India generally by the __________ method.

A. Freeze drying

B. Solar evaporation

C. Electrolytic

D. None of these

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Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

A. Bomb

B. Throttling

C. Junker's

D. Boy's

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Brinell Hardness Number (BHN) for talc is approximately in the range of

A. 1-5

B. 20-30

C. 100-150

D. 200-250

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'Ice point' is designated on Fahrenheit temperature scale by

A. 0°

B. 32°

C. 62°

D. 212°

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__________ of austenite decreases the hardenability in steel.

A. Fine grains

B. Coarse grains

C. Homogeneity

D. Dissolved elements (except cobalt)

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Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.
A. Induced draft fan
B. Economiser
C. Air preheater
D. Steam superheater Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories?

A. A, C, B, D

B. D, B, C, A

C. D, C, B, A

D. D, A, B, C

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Corrosion is

A. A physical phenomenon

B. A chemical phenomenon

C. Same as erosion

D. An uncontrollable phenomenon

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A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

A. 150

B. 200

C. 300

D. 400

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Potable water means the water used for

A. Fire-fighting

B. Cooling

C. Drinking

D. Evaporation to produce steam

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The excess air required for the combustion of pulverised coal is of the order of about __________ percent.

A. 5

B. 15

C. 30

D. 45

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Ceramic compounds as compared to metallic compounds

A. Crystallise faster

B. Resist greater tensile stress at room temperature

C. Have higher melting temperature

D. Are better conductor of electricity at higher temperature

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Which of the following is an acidic constituent of B.F. slag?

A.

B. FeO

C. MgO

D. CaO

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Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

A. °C

B. °F

C. °K

D. °R

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Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

A. Horizontal

B. Vertical

C. Inclined

D. Any

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Oxyacetylene reducing flame is used while carrying out welding on

A. Alloy steel

B. Grey cast iron

C. Mild steel

D. High carbon steel

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What is the range of tempering temperature (°C) for most of the materials?

A. 75-100

B. 200-300

C. 350-450

D. 500-600

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Minimum thermal efficiency of a steam boiler may be around __________ percent

A. 25

B. 45

C. 65

D. 20

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The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called

A. Resilience

B. Toughness

C. Ductility

D. Impact strength

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__________ pipe is the most suitable for carrying sanitary drainage.

A. Stainless steel

B. Reinforced cement concrete

C. Cast iron

D. Asbestos cement

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Wood is a/an __________ material.

A. Amorphous

B. Cellular

C. Homogeneous

D. Granular

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All of the following alloying elements of steel increases hardness but sacrifice ductility, except

A. Nickel

B. Vanadium

C. Molybdenum

D. Chromium

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Cassiterite is an ore of

A. Tin

B. Lead

C. Molybdenum

D. Chromium

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What happens, when SO₂ is passed through a solution of H2S in water?

A. Precipitation of sulphur takes place

B. H₂SO₃ is formed

C. Oleum is formed

D. None of these

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__________ is the most suitable lubricant for drawing mild steel wires?

A. Kerosene

B. Water

C. Sodium stearate

D. Lime water

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__________ is the trade name assigned to a nonferrous cast alloy composed of cobalt, chromium & tungsten.

A. Stellite

B. High speed steel

C. Cermet

D. Alnico

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The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

A. Same

B. Slightly less

C. Slightly more

D. Much more

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The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10^-16 m²S^-1 and it is 1.94 × 10^-14 m²S^{- 1} at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is

A. 130

B. 180

C. 230

D. 250

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LVDT used for displacement measurement is a/an __________ transducer.

A. Passive

B. Active

C. Capacitive

D. None of these

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Accepted Answer

D. Plastic

Hot & cold working of material causes its __________ deformation.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Normalising does not __________ of a metal.

Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

Common salt is produced from sea water in India generally by the __________ method.

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

Brinell Hardness Number (BHN) for talc is approximately in the range of

'Ice point' is designated on Fahrenheit temperature scale by

__________ of austenite decreases the hardenability in steel.

Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.
A. Induced draft fan
B. Economiser
C. Air preheater
D. Steam superheater Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories?

Corrosion is

A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

Potable water means the water used for

The excess air required for the combustion of pulverised coal is of the order of about __________ percent.

Ceramic compounds as compared to metallic compounds

Which of the following is an acidic constituent of B.F. slag?

Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

Oxyacetylene reducing flame is used while carrying out welding on

What is the range of tempering temperature (°C) for most of the materials?

Minimum thermal efficiency of a steam boiler may be around __________ percent

The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called

__________ pipe is the most suitable for carrying sanitary drainage.

Wood is a/an __________ material.

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

Cassiterite is an ore of

What happens, when SO₂ is passed through a solution of H2S in water?

__________ is the most suitable lubricant for drawing mild steel wires?

__________ is the trade name assigned to a nonferrous cast alloy composed of cobalt, chromium & tungsten.

The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10^-16 m²S^-1 and it is 1.94 × 10^-14 m²S^{- 1} at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is

LVDT used for displacement measurement is a/an __________ transducer.

Also checkout

Hot & cold working of material causes its __________ deformation.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Normalising does not __________ of a metal.

Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

Common salt is produced from sea water in India generally by the __________ method.

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

Brinell Hardness Number (BHN) for talc is approximately in the range of

'Ice point' is designated on Fahrenheit temperature scale by

__________ of austenite decreases the hardenability in steel.

Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.A. Induced draft fanB. EconomiserC. Air preheaterD. Steam superheater Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories?

Corrosion is

A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

Potable water means the water used for

The excess air required for the combustion of pulverised coal is of the order of about __________ percent.

Ceramic compounds as compared to metallic compounds

Which of the following is an acidic constituent of B.F. slag?

Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

Oxyacetylene reducing flame is used while carrying out welding on

What is the range of tempering temperature (°C) for most of the materials?

Minimum thermal efficiency of a steam boiler may be around __________ percent

The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called

__________ pipe is the most suitable for carrying sanitary drainage.

Wood is a/an __________ material.

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

Cassiterite is an ore of

What happens, when SO2 is passed through a solution of H2S in water?

__________ is the most suitable lubricant for drawing mild steel wires?

__________ is the trade name assigned to a nonferrous cast alloy composed of cobalt, chromium & tungsten.

The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10-16 m2S-1 and it is 1.94 × 10-14 m2S- 1 at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is

LVDT used for displacement measurement is a/an __________ transducer.

Also checkout

What happens, when SO₂ is passed through a solution of H2S in water?

The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10^-16 m²S^-1 and it is 1.94 × 10^-14 m²S^{- 1} at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is