Force between the molecules of the same substance is called __________ force.

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Force between the molecules of the same substance is called __________ force.

A. Adhesive

B. Cohesive

C. Molecular

D. Vander Walls

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

A. Hardness

B. Tensile

C. Toughness

D. Compressive

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Iron content in Indian iron ore is about __________ percent.

A. 80-85

B. 60-65

C. 40-45

D. 20-25

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All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

A. Deuterium

B. Hydrogen

C. Neon

D. Helium

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__________ test is the appropriate test to determine whether a material is ductile or brittle.

A. Impact

B. Cupping

C. Hardness

D. Tensile

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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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The lightest non-inflammable gas is

A. H2

B. He

C. Ar

D. O2

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The most suitable material for die casting is

A. Iron

B. Copper

C. Steel

D. Nickel

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Transformer cores are normally made from

A. Soft ferrites

B. High purity iron

C. Grain oriented Fe-Si alloy

D. Al-Ni-Co alloy

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In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

A. Less

B. More

C. Equal

D. Unpredictable

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Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its

A. Pressure & temperature

B. Pressure & specific volume

C. Temperature & specific volume

D. Temperature only

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A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle is proportional to

A. √(Particle diameter)

B. Particle diameter

C. (Particle diameter)²

D. (Particle diameter)³

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The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)

A. T

B. 1/T

C. T²

D. 1/T²

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Pressure required to increase the density of water by about 1% is __________ atmosphere.

A. 10

B. 50

C. 200

D. 1000

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The underground well of a biogas plant is called the

A. Septic tank

B. Oxidation well

C. Digestor

D. Lagoon

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Which of the following heat treatment processes is usually applied to castings?

A. Tempering

B. Annealing

C. Normalising

D. Carburising

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Non-ferrous alloys used for making cutting tools need not have high

A. Abrasion resistance

B. Toughness

C. Red hardness

D. Cutting speed

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A dummy activity is used in PERT network to describe the

A. Precedence relationship

B. Resource idleness

C. Resource restriction

D. Necessary time delay

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If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

A. Critical

B. Breeder

C. Fertile

D. Heterogeneous

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With increase in temperature, the electrical conductivity of a __________ decreases.

A. Semi-conductor

B. Metal or alloy

C. Dielectric

D. None of these

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Thermal conductivity of a material does not depend upon its

A. Mass

B. Volume

C. Surface area

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

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Window panes of aeroplanes are normally made of

A. Perspex (PMMA)

B. Teflon (PTFE)

C. Bakelite (phenol formaldehyde)

D. Polystyrene

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The specific gravity of coal depends mainly on its __________ content.

A. Carbon

B. Volatile matter

C. Ash

D. Moisture

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Case hardening of a material is

A. Followed by tempering or carburising

B. Preceded by its tempering

C. Done to get a soft ductile interior with a very hard surface

D. Carried out to get extreme hardness in its core

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Ceramic compounds as compared to metallic compounds

A. Crystallise faster

B. Resist greater tensile stress at room temperature

C. Have higher melting temperature

D. Are better conductor of electricity at higher temperature

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More than 95% of __________ is present in corundum.

A. SiO₂

B. Al₂O₃

C. CaSiO₂

D. MgO

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Specific __________ is a dimensionless quantity.

A. Heat

B. Humidity

C. Weight

D. None of these

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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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Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of

A. Steel

B. Glass wood

C. Copper

D. Fireclay bricks

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An example of unsteady non uniform flow is the flow of liquid under pressure through a

A. Tapering pipe at constant flow rate

B. Tapering pipe at either decreasing or increasing flow rate

C. Long pipeline of constant diameter

D. None of these

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Water-tube boiler is the one, in which

A. Water passes through tubes and flue gases around it

B. Tube carrying hot flue gases are immersed in a pool of water

C. Tubes are placed in vertical position

D. None of these

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Accepted Answer

B. Cohesive

Force between the molecules of the same substance is called __________ force.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

Iron content in Indian iron ore is about __________ percent.

All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

__________ test is the appropriate test to determine whether a material is ductile or brittle.

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

The lightest non-inflammable gas is

The most suitable material for die casting is

Transformer cores are normally made from

In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its

A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle is proportional to

The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)

Pressure required to increase the density of water by about 1% is __________ atmosphere.

The underground well of a biogas plant is called the

Which of the following heat treatment processes is usually applied to castings?

Non-ferrous alloys used for making cutting tools need not have high

A dummy activity is used in PERT network to describe the

If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

With increase in temperature, the electrical conductivity of a __________ decreases.

Thermal conductivity of a material does not depend upon its

Window panes of aeroplanes are normally made of

The specific gravity of coal depends mainly on its __________ content.

Case hardening of a material is

Ceramic compounds as compared to metallic compounds

More than 95% of __________ is present in corundum.

Specific __________ is a dimensionless quantity.

Which of the following is not a ferromagnetic material?

Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of

An example of unsteady non uniform flow is the flow of liquid under pressure through a

Water-tube boiler is the one, in which

Also checkout

Force between the molecules of the same substance is called __________ force.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

Iron content in Indian iron ore is about __________ percent.

All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

__________ test is the appropriate test to determine whether a material is ductile or brittle.

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

The lightest non-inflammable gas is

The most suitable material for die casting is

Transformer cores are normally made from

In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v2)] (V - b) = RT, depends upon its

A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle is proportional to

The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)

Pressure required to increase the density of water by about 1% is __________ atmosphere.

The underground well of a biogas plant is called the

Which of the following heat treatment processes is usually applied to castings?

Non-ferrous alloys used for making cutting tools need not have high

A dummy activity is used in PERT network to describe the

If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

With increase in temperature, the electrical conductivity of a __________ decreases.

Thermal conductivity of a material does not depend upon its

Window panes of aeroplanes are normally made of

The specific gravity of coal depends mainly on its __________ content.

Case hardening of a material is

Ceramic compounds as compared to metallic compounds

More than 95% of __________ is present in corundum.

Specific __________ is a dimensionless quantity.

Which of the following is not a ferromagnetic material?

Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of

An example of unsteady non uniform flow is the flow of liquid under pressure through a

Water-tube boiler is the one, in which

Also checkout

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its