The specific gravity of coal depends mainly on its __________ content.

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The specific gravity of coal depends mainly on its __________ content.

A. Carbon

B. Volatile matter

C. Ash

D. Moisture

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Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by

A. Conduction

B. Convection

C. Radiation

D. Both 'a' & 'b'

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Load cells used for the measurement of weight has

A. Compact & rugged construction with an accuracy of 0.1 to 1%

B. No moving parts and incurs negligible deflection under load

C. Provision of thermal compensation and is hermetically sealed

D. All 'a', 'b' & 'c'

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'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

A. V

B. V/2

C. 2V

D. 3V

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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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Which of the following properties of a solid is not dependent on crystal imperfection?

A. Ductility

B. Semi-conductivity

C. Melting point

D. Yield stress

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Pearlite comprises of

A. 87% cementite & 13% Fe

B. 87% ferrite & 13% cementite

C. 93.33% ferrite & 6.67% C

D. 87% ferrite & 13% C

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The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is

A. Magnesite

B. Chrome

C. Silica

D. Fireclay

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Batch process is preferred over continuous process, when the

A. Product yields and quality cannot be achieved in continuous process, because of long residence time

B. Sales demand of product is not steady

C. Same equipment cannot be used for several processes of the same nature

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

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Pick out the wrong statement about the machinability of metals. Machinability of a metal

A. Decreases with increase in strain hardening tendencies

B. Decreases with increase in hardness, in general

C. Depend on the composition, microstructure and physical & mechanical properties

D. Decreases with increases in tensile strength & decrease in grain size

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An alloy of Fe - 0.4 % C is

A. Cast iron

B. Hypo-eutectoid steel

C. Hyper-eutectoid steel

D. Eutectoid steel

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With increase in annealing temperature, the following defect density decreases.

A. Vacancy

B. Dislocation

C. Grain boundary

D. All of these

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Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial pressure of B is 10-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant 'K' is

A. 10 atm-1

B. 105 atm-1

C. 10 (dimensionless)

D. 105 (dimensionless)

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During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to

A. Time

B. Square root of time

C. Square of time

D. Cube of time

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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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Which of the following is not a ferromagnetic material?

A. Nickel

B. Cobalt

C. Aluminium

D. Iron

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The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their

A. Equivalent weight

B. (Equivalent weight)²

C. Molecular weight

D. (Molecular weight)²

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Pick out the wrong statement.

A. Lead can creep under its own weight at room temperature

B. The electrical conductivity of gold is considerably reduced by alloying additions due to the decrease in electron movement

C. Recrystallisation temperature decreases with decrease in strain in a cold worked metal

D. With increase in temperature, the electrical conductivity of intrinsic semi-conductor will increase

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Which of the following is an unconventional source of energy?

A. Thermal power

B. Hydroelectric power

C. Nuclear-fusion power

D. Solar power

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Non-ferrous alloys used for making cutting tools need not have high

A. Abrasion resistance

B. Toughness

C. Red hardness

D. Cutting speed

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A dense structure of grinding wheel is not used for the

A. Ductile material

B. Hard materials

C. Brittle materials

D. Finishing cuts

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The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

A. 0.5

B. 3

C. 10

D. 25

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Which of the following is the largest quantum of pressure?

A. 1 kg/cm²

B. 1 bar

C. 1 atmosphere

D. 1 kilo Pascal

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Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.

A. Preloaded spring

B. Piezoelectric

C. Bonded strain gauge

D. None of these

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The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.

A. Refrigerant cooling

B. Evaporator

C. Condenser

D. Throttling

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__________ metal is used as a bearing liner material.

A. Pewter

B. White

C. Babbitt

D. Gun

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Thermit welding uses the following energy source.

A. Electrical energy

B. Chemical energy

C. Energy of high velocity electrons

D. Heat generated by friction

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Wood is a/an __________ material.

A. Amorphous

B. Cellular

C. Homogeneous

D. Granular

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The most important requirement for aluminium industry is the availability of cheap

A. Ore

B. Electrical power

C. Labour

D. Abundant water

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Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal

A. Tensile strength

B. Compressive strength

C. Young's modulus

D. Thermal co-efficient of expansion

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Addition of __________ to steel does not impart hardness.

A. Nickel

B. Copper

C. Chromium

D. Silicon

Discuss this answer

Accepted Answer

D. Moisture

The specific gravity of coal depends mainly on its __________ content.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by

Load cells used for the measurement of weight has

'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

Nitriding of a steel part does not increase its

Which of the following properties of a solid is not dependent on crystal imperfection?

Pearlite comprises of

The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is

Batch process is preferred over continuous process, when the

Pick out the wrong statement about the machinability of metals. Machinability of a metal

An alloy of Fe - 0.4 % C is

With increase in annealing temperature, the following defect density decreases.

Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial pressure of B is 10-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant 'K' is

During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to

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

Which of the following is not a ferromagnetic material?

The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their

Pick out the wrong statement.

Which of the following is an unconventional source of energy?

Non-ferrous alloys used for making cutting tools need not have high

A dense structure of grinding wheel is not used for the

The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

Which of the following is the largest quantum of pressure?

Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.

The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.

__________ metal is used as a bearing liner material.

Thermit welding uses the following energy source.

Wood is a/an __________ material.

The most important requirement for aluminium industry is the availability of cheap

Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal

Addition of __________ to steel does not impart hardness.

Also checkout

The specific gravity of coal depends mainly on its __________ content.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by

Load cells used for the measurement of weight has

'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

Nitriding of a steel part does not increase its

Which of the following properties of a solid is not dependent on crystal imperfection?

Pearlite comprises of

The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is

Batch process is preferred over continuous process, when the

Pick out the wrong statement about the machinability of metals. Machinability of a metal

An alloy of Fe - 0.4 % C is

With increase in annealing temperature, the following defect density decreases.

Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial pressure of B is 10-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant 'K' is

During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to

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

Which of the following is not a ferromagnetic material?

The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their

Pick out the wrong statement.

Which of the following is an unconventional source of energy?

Non-ferrous alloys used for making cutting tools need not have high

A dense structure of grinding wheel is not used for the

The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

Which of the following is the largest quantum of pressure?

Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.

The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.

__________ metal is used as a bearing liner material.

Thermit welding uses the following energy source.

Wood is a/an __________ material.

The most important requirement for aluminium industry is the availability of cheap

Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal

Addition of __________ to steel does not impart hardness.

Also checkout

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