Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.

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Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.

A. Manganese

B. Phosphorous

C. Magnesium

D. Chromium

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Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented by

A.

B.

C.

D.

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Capacity & power requirement for an air compressor working at high altitude compared to sealevel will be

A. More

B. Less

C. Same

D. Either more or less; depends on the climatic conditions

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Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

A. Black

B. Silver grey

C. Green

D. Yellow

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Annealing of cast iron

A. Softens it to facilitate machining

B. Decreases the free carbon

C. Increases the strength

D. None of these

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Chromium molybdenum steel cannot be welded using __________ welding.

A. Thermit

B. Electrical resistance

C. Oxy-acetylene

D. Any of these

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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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Faraday's law of electrolysis is related to the

A. Cation speed

B. Atomic number of the cation

C. Equivalent mass of the electrolyte

D. None of these

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Lead is poured into the joint between two __________ pipes.

A. Mild steel

B. Concrete

C. Cast iron

D. Asbestos cement

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Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is

A. Malleable iron

B. Grey cast iron

C. Chilled cast iron

D. White cast iron

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The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

A. 0

B. 100

C. 50

D. None of these

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Fibrous fracture is normally encountered in the __________ materials.

A. Hard

B. Elastic

C. Ductile

D. Brittle

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Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young's modulus, G = Modulus of rigidity or shear modulus v = Poisson's ratio)?

A. E = 2G (1 + v)

B. E = G (1 + v)

C. E = G (1 + v)/2

D. E = 2G (1 + 2v)

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Pick out the wrong statement.

A. Complete unity of command exists in a line organisation

B. Line organisation is net suitable for expansion and growth of an industry

C. In line and staff organisation, line executes and staff directs

D. None of these

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For efficient performance of a blast furnace, the extent of reduction of Wustite (F_eO) should be

A. 100% indirect reduction

B. 100% direct reduction

C. 50-60% indirect reduction

D. 30-40% indirect reduction

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Which of the following phenomenon/ phenomena is/are diffusion controlled?

A. Dislocation climb

B. Cross-slip

C. Twinning

D. Recrystallisation

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More than 95% of __________ is present in corundum.

A. SiO₂

B. Al₂O₃

C. CaSiO₂

D. MgO

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While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.

A. 1800

B. 2000

C. 2400

D. 3000

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A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will

A. Increase

B. Decrease

C. Remain unaffected

D. May increase or decrease; depends on the thickness of each layer

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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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__________ circuit is most commonly used to measure strain with the help of a strain gauge.

A. Ballast

B. Voltage balancing potentiometric

C. Simple current sensitive

D. None of these

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Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about

A. 9 : 1

B. 17 : 1

C. 23 : 1

D. 29 : 1

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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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Pick out the wrong statement.

A. The equivalent stiffness of two springs (of equal stiffness 'S') in series is S/2 while in parallel is 2S

B. For a helical spring, deflection is proportional to D³ (D = mean coil diameter) or d⁴ (d = wire diameter)

C. Crushing load or columns is less than the buckling load

D. Modulus of resilience is proportional to (stress at elastic limit)²

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The dew point temperature lines on psychrometric charts are straight inclined sloping downwards to the right. When relative humidity of moist air is 100%, then

A. Wet bulb temperature=dry bulb temperature

B. Wet bulb temperature=dew point temperature

C. Saturation temperature=dew point temperature

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

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Stainless steel is welded with difficulty because of

A. Its high melting temperature

B. Chances of cracking

C. Oxide film formation

D. Chromium carbide formation

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Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

A. Sorbite

B. Bainite

C. Martensite

D. Troostite

Discuss this answer

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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Which of the following metals is the most prone to work hardening?

A. Brass

B. Aluminium

C. Copper

D. Lead

Discuss this answer

A material subjected __________ must have high resilience.

A. Shock loading

B. Vibration

C. Fatigue

D. Tension

Discuss this answer

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

Discuss this answer

Accepted Answer

C. Magnesium

Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented by

Capacity & power requirement for an air compressor working at high altitude compared to sealevel will be

Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

Annealing of cast iron

Chromium molybdenum steel cannot be welded using __________ welding.

The most commonly used moderator in nuclear power plants is

Faraday's law of electrolysis is related to the

Lead is poured into the joint between two __________ pipes.

Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is

The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

Fibrous fracture is normally encountered in the __________ materials.

Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young's modulus, G = Modulus of rigidity or shear modulus v = Poisson's ratio)?

Pick out the wrong statement.

For efficient performance of a blast furnace, the extent of reduction of Wustite (F_eO) should be

Which of the following phenomenon/ phenomena is/are diffusion controlled?

More than 95% of __________ is present in corundum.

While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.

A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will

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

__________ circuit is most commonly used to measure strain with the help of a strain gauge.

Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about

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

Pick out the wrong statement.

The dew point temperature lines on psychrometric charts are straight inclined sloping downwards to the right. When relative humidity of moist air is 100%, then

Stainless steel is welded with difficulty because of

Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

Pick out the wrong statement.

Which of the following metals is the most prone to work hardening?

A material subjected __________ must have high resilience.

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

Also checkout

Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented by

Capacity & power requirement for an air compressor working at high altitude compared to sealevel will be

Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

Annealing of cast iron

Chromium molybdenum steel cannot be welded using __________ welding.

The most commonly used moderator in nuclear power plants is

Faraday's law of electrolysis is related to the

Lead is poured into the joint between two __________ pipes.

Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is

The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

Fibrous fracture is normally encountered in the __________ materials.

Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young's modulus, G = Modulus of rigidity or shear modulus v = Poisson's ratio)?

Pick out the wrong statement.

For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be

Which of the following phenomenon/ phenomena is/are diffusion controlled?

More than 95% of __________ is present in corundum.

While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.

A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will

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

__________ circuit is most commonly used to measure strain with the help of a strain gauge.

Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about

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

Pick out the wrong statement.

The dew point temperature lines on psychrometric charts are straight inclined sloping downwards to the right. When relative humidity of moist air is 100%, then

Stainless steel is welded with difficulty because of

Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

Pick out the wrong statement.

Which of the following metals is the most prone to work hardening?

A material subjected __________ must have high resilience.

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

Also checkout

For efficient performance of a blast furnace, the extent of reduction of Wustite (F_eO) should be