Which of the following if present in iron ore, enhances its value?

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Which of the following if present in iron ore, enhances its value?

A. Alumina

B. Alkali oxide

C. Lime & Magnesia

D. None of these

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Tempering of a material does not improve its

A. Machinability

B. Toughness

C. Internal stress level

D. Softness

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The rolling process cannot be used to produce

A. Plates

B. Rods

C. Tubes

D. Wires

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For an ideal gas, C_p - C_v is

A. R

B. -R

C. 0

D. (3/2) R

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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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Pick out the wrong statement about coating/electroplating of metals.

A. Phosphate coating is used as an excellent base for paints & enamels

B. Phosphate coating is less corrosion resistant than chromate coating

C. The base metal to be electroplated is normally made the cathode of the electrolytic cell and coating metal is made the anode

D. Calorising is the process of coating steel with chromium

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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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Cast iron contains __________ percent carbon.

A. 2.5

B. 3.75

C. 4.75

D. 5.25

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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

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In Imperial Smelting Process for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following:

A. Jet of water at high pressure

B. Blast of air

C. Mixture of water and air

D. Rain of molten lead

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The most commonly used moderator in nuclear power plants is

A. Graphite

B. Light water

C. Heavy water

D. Beryllium

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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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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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The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

A. Evaporative capacity

B. Evaporation efficiency

C. Thermal efficiency

D. Steam load

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Vernier calipers cannot be used to measure the

A. I.D. & O.D. of the shaft

B. Thickness of parts

C. Depth of holes

D. Clearance between two mating surfaces

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Shampoos are commercially not available in the form of

A. Powder

B. Gaseous mixture

C. Solution

D. Emulsion

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The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.

A. 768

B. 1127

C. 1359

D. 1480

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In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the

A. Range is 15°F

B. Approach is 10°F

C. Both (A) & (B)

D. Neither (A) nor (B)

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For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.

A. 250

B. 500

C. 1000

D. 3000

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Which of the following is an example of cathodic protection of metals against corrosion?

A. Painted steel

B. Galvanised iron

C. Case hardened steel

D. Lead lined reactor

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With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________ is not affected.

A. Impact strength

B. Percent elongation

C. Hardness

D. Both 'b' & 'c'

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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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Most of the phosphorous present in the blast furnace burden enters into

A. Hot metal

B. Flue gases

C. Slag

D. Refractory lining

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Carbon supply in pack carburising process is in the form of

A. Charcoal

B. Calcium carbide

C. Hydrocarbon oil

D. Graphite

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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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Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium

A. Nitrate

B. Sulphate

C. Carbonate

D. Chloride

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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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__________ furnace is generally used in the non-ferrous foundries.

A. Direct arc

B. Indirect arc

C. Resistance

D. Induction

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Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils?

A. Elaiden test

B. Reichert-Meissl value test

C. Hunter value test

D. Iodine value test

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The best lubricants for a machine working at high temperature & load is

A. Grease

B. Solid lubricant

C. Animal oils

D. Mineral oils

Discuss this answer

Which of the following materials has the poorest electrical conductivity?

A. Carbon

B. Aluminium

C. Silver

D. Stainless steel

Discuss this answer

Accepted Answer

C. Lime & Magnesia

Which of the following if present in iron ore, enhances its value?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Tempering of a material does not improve its

The rolling process cannot be used to produce

For an ideal gas, C_p - C_v is

A dense structure of grinding wheel is not used for the

Pick out the wrong statement about coating/electroplating of metals.

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

Cast iron contains __________ percent carbon.

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.

In Imperial Smelting Process for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following:

The most commonly used moderator in nuclear power plants is

Which of the following is an unconventional source of energy?

An alloy of Fe - 0.4 % C is

The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

Vernier calipers cannot be used to measure the

Shampoos are commercially not available in the form of

The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.

In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the

For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.

Which of the following is an example of cathodic protection of metals against corrosion?

With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________ is not affected.

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

Most of the phosphorous present in the blast furnace burden enters into

Carbon supply in pack carburising process is in the form of

Which of the following is not a ferromagnetic material?

Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium

Which of the following is the largest quantum of pressure?

__________ furnace is generally used in the non-ferrous foundries.

Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils?

The best lubricants for a machine working at high temperature & load is

Which of the following materials has the poorest electrical conductivity?

Also checkout

Which of the following if present in iron ore, enhances its value?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Tempering of a material does not improve its

The rolling process cannot be used to produce

For an ideal gas, Cp - Cv is

A dense structure of grinding wheel is not used for the

Pick out the wrong statement about coating/electroplating of metals.

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

Cast iron contains __________ percent carbon.

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.

In Imperial Smelting Process for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following:

The most commonly used moderator in nuclear power plants is

Which of the following is an unconventional source of energy?

An alloy of Fe - 0.4 % C is

The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

Vernier calipers cannot be used to measure the

Shampoos are commercially not available in the form of

The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.

In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the

For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.

Which of the following is an example of cathodic protection of metals against corrosion?

With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________ is not affected.

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

Most of the phosphorous present in the blast furnace burden enters into

Carbon supply in pack carburising process is in the form of

Which of the following is not a ferromagnetic material?

Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium

Which of the following is the largest quantum of pressure?

__________ furnace is generally used in the non-ferrous foundries.

Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils?

The best lubricants for a machine working at high temperature & load is

Which of the following materials has the poorest electrical conductivity?

Also checkout

For an ideal gas, C_p - C_v is