Eutectoid composition of carbon steel at room temperature is

Question

Eutectoid composition of carbon steel at room temperature is

A. Cementite

B. Pearlite

C. Martensite

D. Ferrite

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Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.

A. 80-120

B. 200-300

C. 600-800

D. 1000-1100

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L.D. (Linz-Donawitz) converter is used in the production of

A. Copper

B. Steel

C. Zinc

D. Aluminium

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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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For a spontaneous natural process at constant temperature and pressure, the free energy of the system always

A. Increases

B. Decreases

C. Remain constant

D. Increases to a maximum before decreasing

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In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet?

A. Zirconia

B. Alumina

C. Bakelite

D. Tungsten carbide

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Good design of the casing of a centrifugal pump aims at minimising the

A. Cavitation

B. Frictional losses

C. Kinetic energy loss

D. Static head

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

A. Passive

B. Active

C. Capacitive

D. None of these

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Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.

A. Working

B. Bearing

C. Yield

D. None of these

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In the acid Bessemer process, the hot metal should have the following composition.

A. S < 0.05% and P < 0.05%

B. S < 0.05% and P < 1.5%

C. S < 0.05% and P > 1.5%

D. S > 1.5% and P < 0.05%

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Production of a hollow product by inflation of a tube or parison is called the __________ process.

A. Blow moulding

B. Calendaring

C. Extrusion

D. Injection

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Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.

A. 300

B. 800

C. 1400

D. 2000

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Work done by a/an __________ process is determined by ∫p. dv

A. Adiabatic

B. Quasi-static

C. Isothermal

D. Isentropic

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In electrical resistance welding, distortion results from the use of improper

A. Clamping methods

B. Electrodes

C. Current

D. Filler material

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The condition of diffraction from a crystal is given by

A. nλ = 2d Sin θ

B. λ = d Sin 2θ

C. λ = 2d Sin 2θ

D. nλ = d Sin θ

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Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

A. Conductor

B. Insulator

C. Semi-conductor

D. None of these

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Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?

A. Styrofoam

B. Lucite

C. Perspex

D. Plexiglass

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There are one octahedral void and __________ tetrahedral void in the closest packing of atoms.

A. One

B. Two

C. Three

D. None of these

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Which of the following heat treatment processes is usually applied to castings?

A. Tempering

B. Annealing

C. Normalising

D. Carburising

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A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

A. Neutral

B. Ideal

C. Buffer

D. Zero pH

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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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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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Steel is welded using the __________ flame.

A. Carburising

B. Neutral

C. Oxidising

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

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Enzymes belong to the category of

A. Proteins

B. Carbohydrates

C. Vitamins

D. Fats

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Energy to be supplied to the radioactive nucleus for the emission of a neutron is __________ MeV.

A. 0.8

B. 7.8

C. 200

D. 10000

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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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Auto collimator is used to check

A. Flatness

B. Angle

C. Rotor balancing

D. Roughness

Discuss this answer

Magnesium is present in

A. Haemoglobin

B. Chlorophyll

C. Hypo solution

D. None of these

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The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)

A. T

B. 1/T

C. T²

D. 1/T²

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Iron content in Indian iron ore is about __________ percent.

A. 80-85

B. 60-65

C. 40-45

D. 20-25

Discuss this answer

Accepted Answer

B. Pearlite

Eutectoid composition of carbon steel at room temperature is

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.

L.D. (Linz-Donawitz) converter is used in the production of

An alloy of Fe - 0.4 % C is

For a spontaneous natural process at constant temperature and pressure, the free energy of the system always

In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet?

Good design of the casing of a centrifugal pump aims at minimising the

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

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

Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.

In the acid Bessemer process, the hot metal should have the following composition.

Production of a hollow product by inflation of a tube or parison is called the __________ process.

Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.

Work done by a/an __________ process is determined by ∫p. dv

In electrical resistance welding, distortion results from the use of improper

The condition of diffraction from a crystal is given by

Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?

There are one octahedral void and __________ tetrahedral void in the closest packing of atoms.

Which of the following heat treatment processes is usually applied to castings?

A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

Larger length & diameter water pipes are made by

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

Steel is welded using the __________ flame.

Enzymes belong to the category of

Energy to be supplied to the radioactive nucleus for the emission of a neutron is __________ MeV.

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

Auto collimator is used to check

Magnesium is present in

The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)

Iron content in Indian iron ore is about __________ percent.

Also checkout

Eutectoid composition of carbon steel at room temperature is

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.

L.D. (Linz-Donawitz) converter is used in the production of

An alloy of Fe - 0.4 % C is

For a spontaneous natural process at constant temperature and pressure, the free energy of the system always

In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet?

Good design of the casing of a centrifugal pump aims at minimising the

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

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

Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.

In the acid Bessemer process, the hot metal should have the following composition.

Production of a hollow product by inflation of a tube or parison is called the __________ process.

Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.

Work done by a/an __________ process is determined by ∫p. dv

In electrical resistance welding, distortion results from the use of improper

The condition of diffraction from a crystal is given by

Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?

There are one octahedral void and __________ tetrahedral void in the closest packing of atoms.

Which of the following heat treatment processes is usually applied to castings?

A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

Larger length & diameter water pipes are made by

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

Steel is welded using the __________ flame.

Enzymes belong to the category of

Energy to be supplied to the radioactive nucleus for the emission of a neutron is __________ MeV.

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

Auto collimator is used to check

Magnesium is present in

The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)

Iron content in Indian iron ore is about __________ percent.

Also checkout

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