A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its

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A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its

A. Aqueous tension

B. Saturated humidity

C. Vapor pressure

D. Absolute humidity

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Superheating of steam is done at constant

A. Enthalpy

B. Entropy

C. Pressure

D. Volume

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Heat required to raise the temperature of a body by 1 °C is called its

A. Heat capacity

B. Specific heat capacity

C. Thermal conductivity

D. Water equivalent

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Thermal efficiency of an internal combustion engine is around __________ percent.

A. 8

B. 35

C. 65

D. 80

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A psychrometer does not measure the __________ temperature of moist air.

A. Dew point

B. Dry bulb

C. Wet bulb

D. None of these

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In connection with corrosion of metals, passivation is the process that

A. Intensifies deterioration

B. Changes the composition of the metal

C. Inhibits further deterioration

D. None of these

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Isotropic materials have the same __________ in all directions.

A. Induced stresses

B. Density

C. Elastic properties

D. Thermal properties

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Oxyacetylene reducing flame is used while carrying out welding on

A. Alloy steel

B. Grey cast iron

C. Mild steel

D. High carbon steel

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Air-petrol ratio for maximum power generation in spark ignition engine is about

A. 6 : 1

B. 12 : 1

C. 18 : 1

D. 24 : 1

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The mechanism involved in the removal of metal in drilling operation is by

A. Compression

B. Extrusion

C. Shearing

D. Both 'b' & 'c'

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Function of fusible plug in a boiler is to

A. Drain out water and sludge from the boiler during repair

B. Put off fire in the furnace when water level in the boiler falls to unsafe limit

C. Guard the boiler in case of abnormal rise in steam pressure

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

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In case of a, centrifugal pump, the ratio h₁/h₂ is termed as the __________ efficiency (where, h₁ = actual measured head & h₂ = head imparted to the fluid by impeller).

A. Mechanical

B. Overall

C. Volumetric

D. Impeller

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Titanium is produced by __________ of Ti Cl₄.

A. Electrolytic reduction

B. Calcium reduction

C. Magnesium reduction

D. Thermal dissociation

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Which of the following is not an ore of copper?

A. Cryolite

B. Azurite

C. Chalcopyrite

D. Malachite

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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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Brittleness induced due to the presence of sulphur in steel can be reduced by adding

A. Manganese

B. Magnesium

C. Vanadium

D. Copper

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The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

A. A

B. D

C. 1/A

D. 1/A²

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Corona discharge is related to the operation of a/an

A. Induction motor

B. Electrostatic precipitator

C. Fast breeder reactor

D. Magneto hydrodynamic generator (MHD)

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A reduction in thermal resistance during heat transfer does not occur in the

A. Convection heat transfer by stirring the fluid and cleaning the heating surface

B. Conduction heat transfer by reduction in the material thickness and increase in the thermal conductivity

C. Radiation heat transfer by increasing the temperature and reducing the emissivity

D. None of these

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Aluminium is extracted from

A. Chalcocite

B. Bauxite

C. Galena

D. None of these

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Increase in the entropy of a system represents the

A. Degradation of energy

B. Decrease in system pressure

C. Increase in the availability of energy

D. Increase in the temperature

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The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

A. Cyaniding

B. Sherardizing

C. Spheroidising

D. None of these

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Plastics as a material of construction suffer from the drawback of low

A. Machinability

B. Density

C. Strength

D. Plastic deformation

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Cascade control is

A. The continuous adjustment of the set point index of an automatic control loop by a primary (master) controller

B. Used when changes in process conditions cause serious upsets in the controlled variable

C. Useful to control flow from temperature

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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Induced draft fans provided in large thermal power plant boilers have __________ blades.

A. Forward curved

B. Backward curved

C. Double curved

D. Radial or straight

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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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Addition of __________ to steel does not help in improving its machinability.

A. Sulphur

B. Silicon

C. Lead

D. Phosphorous

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Out of the following __________ iron has the best capability to bear sudden & excessive shocks.

A. White

B. Cast

C. Wrought

D. Pig

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Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

A. Fracture

B. Dislocation

C. Slip

D. Twinning

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Minimum number of members required to form a Public Limited Joint Stock Com-pany is

A. 7

B. 10

C. 12

D. 17

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Accepted Answer

A. Aqueous tension

A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Superheating of steam is done at constant

Heat required to raise the temperature of a body by 1 °C is called its

Thermal efficiency of an internal combustion engine is around __________ percent.

A psychrometer does not measure the __________ temperature of moist air.

In connection with corrosion of metals, passivation is the process that

Isotropic materials have the same __________ in all directions.

Oxyacetylene reducing flame is used while carrying out welding on

Air-petrol ratio for maximum power generation in spark ignition engine is about

The mechanism involved in the removal of metal in drilling operation is by

Function of fusible plug in a boiler is to

In case of a, centrifugal pump, the ratio h₁/h₂ is termed as the __________ efficiency (where, h₁ = actual measured head & h₂ = head imparted to the fluid by impeller).

Titanium is produced by __________ of Ti Cl₄.

Which of the following is not an ore of copper?

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

Brittleness induced due to the presence of sulphur in steel can be reduced by adding

The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

Corona discharge is related to the operation of a/an

A reduction in thermal resistance during heat transfer does not occur in the

Aluminium is extracted from

Increase in the entropy of a system represents the

The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

Plastics as a material of construction suffer from the drawback of low

Cascade control is

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

Induced draft fans provided in large thermal power plant boilers have __________ blades.

A dense structure of grinding wheel is not used for the

Addition of __________ to steel does not help in improving its machinability.

Out of the following __________ iron has the best capability to bear sudden & excessive shocks.

Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

Minimum number of members required to form a Public Limited Joint Stock Com-pany is

Also checkout

A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Superheating of steam is done at constant

Heat required to raise the temperature of a body by 1 °C is called its

Thermal efficiency of an internal combustion engine is around __________ percent.

A psychrometer does not measure the __________ temperature of moist air.

In connection with corrosion of metals, passivation is the process that

Isotropic materials have the same __________ in all directions.

Oxyacetylene reducing flame is used while carrying out welding on

Air-petrol ratio for maximum power generation in spark ignition engine is about

The mechanism involved in the removal of metal in drilling operation is by

Function of fusible plug in a boiler is to

In case of a, centrifugal pump, the ratio h1/h2 is termed as the __________ efficiency (where, h1 = actual measured head & h2 = head imparted to the fluid by impeller).

Titanium is produced by __________ of Ti Cl4.

Which of the following is not an ore of copper?

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

Brittleness induced due to the presence of sulphur in steel can be reduced by adding

The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

Corona discharge is related to the operation of a/an

A reduction in thermal resistance during heat transfer does not occur in the

Aluminium is extracted from

Increase in the entropy of a system represents the

The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

Plastics as a material of construction suffer from the drawback of low

Cascade control is

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

Induced draft fans provided in large thermal power plant boilers have __________ blades.

A dense structure of grinding wheel is not used for the

Addition of __________ to steel does not help in improving its machinability.

Out of the following __________ iron has the best capability to bear sudden & excessive shocks.

Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

Minimum number of members required to form a Public Limited Joint Stock Com-pany is

Also checkout

In case of a, centrifugal pump, the ratio h₁/h₂ is termed as the __________ efficiency (where, h₁ = actual measured head & h₂ = head imparted to the fluid by impeller).

Titanium is produced by __________ of Ti Cl₄.