Cold chisels hammers are made of

Question

Cold chisels hammers are made of

A. High speed steel

B. High carbon steel

C. Forged steel

D. Mild steel

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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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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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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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The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong

A. Base and strong acid

B. Base and weak acid

C. Acid and weak base

D. None of these

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The 'laughing gas' is

A. Nitrous oxide

B. Nitric oxide

C. Nitrogen trioxide

D. Nitrogen pentoxide

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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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Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial anode

A. Occurs higher in the electro-chemical series of metals

B. Is exemplified by magnesium plate

C. Is much cheaper than the cathodic base material to be guarded against corrosion

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

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Viscoelastic behaviour is observed in __________ materials.

A. Non-crystalline organic polymeric

B. Ceramic

C. All crystalline

D. All amorphous

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The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability?

A. Lead

B. Copper

C. Aluminium

D. Wrought iron

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Reduction in the grain size reduces the __________ of the material.

A. Fatigue resistance

B. Tensile strength

C. Creep resistance

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

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The two elements required to form substitutional solid solution should not have

A. Same crystalline structure

B. Same valency

C. Widely differing electronegativity

D. Same atomic sizes

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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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__________ the exhaust gas is an indication of the incomplete combustion of fuel.

A. Low temperature of

B. High temperature of

C. High % of CO in

D. High % of CO₂ in

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Maximum permissible sulphur content in steel is __________ percent.

A. 0.015

B. 0.055

C. 0.505

D. 0.805

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The minimum temperature to which the water can be cooled in a cooling tower is the __________ temperature of air.

A. Ambient

B. Dry bulb

C. Dew point

D. Wet bulb

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Maximum permissible air velocity in pipelines is about __________ metre/second.

A. 5

B. 10

C. 20

D. 40

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The difference between gross & net calorific values of fuel is due to the

A. Sensible heat carried away by the flue gases

B. Heat carried away by the steam from the moisture content of the fuel

C. Heat lost by radiation

D. Heat carried away by steam from the combustion of hydrogen in the fuel

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The rolling process cannot be used to produce

A. Plates

B. Rods

C. Tubes

D. Wires

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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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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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Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used?

A. Vapour locking

B. Hot starting

C. Spark plug fouling

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

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Case hardening is not done by

A. Nitriding

B. Hot dipping

C. Electroplating

D. Both b & c

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Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.

A. X-rays

B. γ-rays

C. α-rays

D. β-rays

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For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot?

A. Temperature - entropy

B. Temperature - pressure

C. Enthalpy - entropy

D. Enthalpy-pressure

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Steel balls are manufactured by

A. Sintering

B. Casting

C. Cold heading

D. Spinning

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The hardenability of steel decreases with

A. Decrease in dislocation density

B. Increase in solutionising temperature

C. Increase in strength

D. Decrease in grain size

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The cathode in an electrochemical cell always carries

A. Negative charge

B. Positive charge

C. Zero charge

D. Positive or negative charge depending upon the nature of the cell

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Silicon percentage in the silicon steel used for electrical appliances/equipments is

A. 0.3-0.4

B. 12-14

C. 3-4

D. 20-25

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On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal.

A. Frequency

B. Amplitude

C. Damping

D. None of these

Discuss this answer

The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

A. T₁/(T₁-T₂)

B. T₂/(T₁-T₂)

C. T₁/T₂

D. T₂/T₁

Discuss this answer

Accepted Answer

B. High carbon steel

Cold chisels hammers are made of

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

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

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

The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong

The 'laughing gas' is

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

Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial anode

Viscoelastic behaviour is observed in __________ materials.

The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability?

Reduction in the grain size reduces the __________ of the material.

The two elements required to form substitutional solid solution should not have

Nitriding of a steel part does not increase its

__________ the exhaust gas is an indication of the incomplete combustion of fuel.

Maximum permissible sulphur content in steel is __________ percent.

The minimum temperature to which the water can be cooled in a cooling tower is the __________ temperature of air.

Maximum permissible air velocity in pipelines is about __________ metre/second.

The difference between gross & net calorific values of fuel is due to the

The rolling process cannot be used to produce

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

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

Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used?

Case hardening is not done by

Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.

For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot?

Steel balls are manufactured by

The hardenability of steel decreases with

The cathode in an electrochemical cell always carries

Silicon percentage in the silicon steel used for electrical appliances/equipments is

On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal.

The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

Also checkout

Cold chisels hammers are made of

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

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

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

The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong

The 'laughing gas' is

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

Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial anode

Viscoelastic behaviour is observed in __________ materials.

The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability?

Reduction in the grain size reduces the __________ of the material.

The two elements required to form substitutional solid solution should not have

Nitriding of a steel part does not increase its

__________ the exhaust gas is an indication of the incomplete combustion of fuel.

Maximum permissible sulphur content in steel is __________ percent.

The minimum temperature to which the water can be cooled in a cooling tower is the __________ temperature of air.

Maximum permissible air velocity in pipelines is about __________ metre/second.

The difference between gross & net calorific values of fuel is due to the

The rolling process cannot be used to produce

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

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

Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used?

Case hardening is not done by

Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.

For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot?

Steel balls are manufactured by

The hardenability of steel decreases with

The cathode in an electrochemical cell always carries

Silicon percentage in the silicon steel used for electrical appliances/equipments is

On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal.

The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 - T2)/T1. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T1 and T2 is given by

Also checkout

The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by