Starting friction is low in case of the __________ lubrication.

Question

Starting friction is low in case of the __________ lubrication.

A. Boundary

B. Hydrodynamic

C. Hydrostatic

D. Mixed/semi-fluid

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Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

A. 1/k

B. k

C. k²

D. 1/k²

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Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?

A. High fusibility & fluidity

B. High thermal conductivity

C. Low density

D. High chemical activity

Discuss this answer

Pick out the correct statement.

A. Hot worked materials are subjected to annealing to remove internal stresses

B. Annealing of steel hardens it slightly

C. Normalising of a material induces stresses

D. Tempering of a material improves ductility & toughness but reduces hardness & brittleness

Discuss this answer

Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are

A. Cobalt, chromium & tungsten

B. Cobalt, chromium & nickel

C. Molybdenum, tungsten & chromium

D. Cobalt, zirconium & molybdenum

Discuss this answer

Liquor poisoning generally occurs due to the presence of __________ in it.

A. Ethyl alcohol

B. Impurities

C. Methyl alcohol

D. Carbonic acid

Discuss this answer

Triple point of water is

A. 0°F

B. 492°R

C. 0°K

D. -273°C

Discuss this answer

In case of compression of one kg of air, the work done will be the least, when the value of polytropic index 'n' is

A. 1

B. 1.4

C. 1.5

D. Y = C_p/C_v

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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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An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform cross-section.

A. Adiabatic

B. Isothermal

C. Isentropic

D. Isochoric

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Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

A. Hot rolled mild

B. Cold rolled mild

C. Forged

D. Machinable stainless

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Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

A. Cold

B. Work

C. Age

D. Induction

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Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.
A. Induced draft fan
B. Economiser
C. Air preheater
D. Steam superheater Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories?

A. A, C, B, D

B. D, B, C, A

C. D, C, B, A

D. D, A, B, C

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Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C in temperature.

A. Steel

B. Lignite

C. Water

D. Lime stone

Discuss this answer

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

A. Dew point

B. Dry bulb

C. Wet bulb

D. None of these

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What is the range of tempering temperature (°C) for most of the materials?

A. 75-100

B. 200-300

C. 350-450

D. 500-600

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Material of construction of foundry crucible is

A. Lead

B. Stainless steel

C. Graphite

D. Cast iron

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The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called

A. Resilience

B. Toughness

C. Ductility

D. Impact strength

Discuss this answer

For dynamic strain measurement, the Wheatstone bridge used is of __________ type.

A. Voltage sensitive null

B. Voltage sensitive deflected

C. Current sensitive deflected

D. None of these

Discuss this answer

The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively

A. 7 and 30

B. 10 and 50

C. 2 and 50

D. 13 and 55

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A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

A. Steel

B. Glass

C. Rubber

D. Brass

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The unit of gc is

A. lb_m/lb_f. ft/sec²

B. lb_f/lb_m. ft/sec²

C. ft/sec²

D. lb_m/lb_f. sec²/ft

Discuss this answer

Thermit welding is categorised as the __________ welding.

A. Forge

B. Fusion

C. Resistance

D. Arc

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The product (s) of roasting of a sulphide ore is (are)

A. Oxide only

B. Sulphate only

C. Oxide and sulphate

D. Dependent on temperature and partial pressure of oxygen & sulphur dioxide

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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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Hot extrusion process is not used for making

A. Cast iron pipe for domestic water supply

B. Aluminium curtain rods

C. Stainless steel tubes used in furnitures

D. Any of these

Discuss this answer

Pressure exerted by a liquid depends upon its

A. Surface tension

B. Density

C. Viscosity

D. Buoyancy

Discuss this answer

Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)?

A. Aluminium

B. Copper

C. Titanium

D. Stainless steel

Discuss this answer

Which of the following is the largest quantum of pressure?

A. 1 kg/cm²

B. 1 bar

C. 1 atmosphere

D. 1 kilo Pascal

Discuss this answer

__________ property of a material is determined by the Herbert Pendulum device.

A. Hardness

B. Tensile

C. Toughness

D. Compressive

Discuss this answer

Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is

A. Alumina

B. Platinum

C. Vanadium pentoxide

D. Iron oxide

Discuss this answer

Accepted Answer

C. Hydrostatic

Starting friction is low in case of the __________ lubrication.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?

Pick out the correct statement.

Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are

Liquor poisoning generally occurs due to the presence of __________ in it.

Triple point of water is

In case of compression of one kg of air, the work done will be the least, when the value of polytropic index 'n' is

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

An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform cross-section.

Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.
A. Induced draft fan
B. Economiser
C. Air preheater
D. Steam superheater Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories?

Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C in temperature.

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

What is the range of tempering temperature (°C) for most of the materials?

Material of construction of foundry crucible is

The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called

For dynamic strain measurement, the Wheatstone bridge used is of __________ type.

The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively

A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

The unit of gc is

Thermit welding is categorised as the __________ welding.

The product (s) of roasting of a sulphide ore is (are)

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

Hot extrusion process is not used for making

Pressure exerted by a liquid depends upon its

Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)?

Which of the following is the largest quantum of pressure?

__________ property of a material is determined by the Herbert Pendulum device.

Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is

Also checkout

Starting friction is low in case of the __________ lubrication.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?

Pick out the correct statement.

Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are

Liquor poisoning generally occurs due to the presence of __________ in it.

Triple point of water is

In case of compression of one kg of air, the work done will be the least, when the value of polytropic index 'n' is

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

An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform cross-section.

Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.A. Induced draft fanB. EconomiserC. Air preheaterD. Steam superheater Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories?

Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C in temperature.

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

What is the range of tempering temperature (°C) for most of the materials?

Material of construction of foundry crucible is

The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called

For dynamic strain measurement, the Wheatstone bridge used is of __________ type.

The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively

A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

The unit of gc is

Thermit welding is categorised as the __________ welding.

The product (s) of roasting of a sulphide ore is (are)

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

Hot extrusion process is not used for making

Pressure exerted by a liquid depends upon its

Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)?

Which of the following is the largest quantum of pressure?

__________ property of a material is determined by the Herbert Pendulum device.

Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is

Also checkout