The following type of bonding is strongly directional in solids.

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The following type of bonding is strongly directional in solids.

A. Vander Waal's

B. Ionic

C. Metallic

D. Covalent

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Diffusion co-efficient of a metal in a solid solution depends upon its

A. Composition

B. Temperature

C. Both (A) & (B)

D. Neither (A) nor (B)

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Which of the following does not discharge the dust collected as a dry solid?

A. Electrostatic precipitator

B. Wet scrubber

C. Bag filter

D. Gravity settling chamber

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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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Identify the correct statement.

A. Sphlerite is zinc oxide

B. The first law of the thermodynamics is stated as δE = δQ - δW

C. Lead can be produced in a blast furnace

D. T. ferrooxidans is a fungus that can be used for leaching chalcopyrite

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Which of the following metals cannot be hot worked at room temperature?

A. Zinc

B. Nickel

C. Lead

D. Tin

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Which of the following materials has the maximum shrinkage allowance?

A. Brass

B. Cast iron

C. Lead

D. Aluminium alloy

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Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded portion.

A. Annealing

B. Toughening

C. Work hardening

D. Tempering

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__________ is not a heat treatment process.

A. Cyaniding

B. Parkerizing

C. Austempering

D. Martempering

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Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are:

A. Nickel, cobalt & chromium

B. Tungsten, chromium & cobalt

C. Manganese, chromium & cobalt

D. Tungsten, molybdenum & nickel

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Pick out the wrong statement.

A. Ductile fracture of a stressed material, which exhibits a large plastic deformation is commonly caused by the formation and coalescence of voids in the necked region

B. Brittle fracture is caused by the propagation of pre-existing cracks in the material and involves minimum plastic deformation

C. Fatigue fracture of a material is always brittle in nature and takes place due to the existence of line imperfections

D. Brittle materials are generally tested in tension

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The dimensional formula of bulk modulus of elasticity is same as that of the

A. Pressure

B. Density

C. Force

D. None of these

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In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that

A. Compared to the mass flow rate of cooling water, the rate of condensation of steam is invariably smaller

B. Maintaining vacuum on tube side is more difficult than that on the shell side

C. Water velocity can be increased conveniently to increase the overall heat transfer co-efficient because of its lower specific volume compared to steam

D. Condenser can act as a storage unit for condensed steam

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Consideration of the creep is the most important in case of the

A. Blades of gas turbine

B. Piston of an I. C. engine

C. Flywheel of steam engine

D. Cycle chain

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The burnout heat flux in the nucleate boiling regime is not a function of the

A. Liquid density

B. Vapour density

C. Temperature difference

D. Heat of evaporation

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While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the

A. Low impact strength

B. High flexibility

C. Better finish and surface appearance

D. High plastic deformation

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Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and

A. Manganese

B. Silicon

C. Nickel

D. Chromium

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A solar cell converts the sunlight directly into __________ energy.

A. Thermal

B. Electrical

C. Mechanical

D. Chemical

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The most prominent single cause of corrosion in boiler-tubes, drums, economisers and steam superheaters in a thermal power plant boiler is the

A. Water alkalinity & leakage

B. Hydrazine addition during feed water treatment

C. Release of non-condensable gas from water in the boiler

D. Scale formation

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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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Compressed dry air is used as the cutting fluid, while machining

A. Steel

B. Cast iron

C. Aluminium

D. None of these

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Which of the following is an unconventional source of energy?

A. Thermal power

B. Hydroelectric power

C. Nuclear-fusion power

D. Solar power

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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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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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Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be

A. 9.5 : 1

B. 12.5 : 1

C. 15.5 : 1

D. 18.5 : 1

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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

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Which of the following has the least value of ultimate tensile strength (UTS)?

A. Medium carbon steel

B. High carbon steel

C. Cast iron

D. Wrought iron

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Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air.

A. Wet bulb

B. Dry bulb

C. Saturation

D. Dew point

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Electrometallurgy is not involved in the extraction of __________ from its ore.

A. Aluminium

B. Tin

C. Lead

D. Both (B) & (C)

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Addition of __________ to steel does not impart hardness.

A. Nickel

B. Copper

C. Chromium

D. Silicon

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Age hardening is connected with

A. Babbitt metal

B. Gun metal

C. Stainless steel

D. Duralumin

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Accepted Answer

D. Covalent

The following type of bonding is strongly directional in solids.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Diffusion co-efficient of a metal in a solid solution depends upon its

Which of the following does not discharge the dust collected as a dry solid?

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

Identify the correct statement.

Which of the following metals cannot be hot worked at room temperature?

Which of the following materials has the maximum shrinkage allowance?

Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded portion.

__________ is not a heat treatment process.

Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are:

Pick out the wrong statement.

The dimensional formula of bulk modulus of elasticity is same as that of the

In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that

Consideration of the creep is the most important in case of the

The burnout heat flux in the nucleate boiling regime is not a function of the

While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the

Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and

A solar cell converts the sunlight directly into __________ energy.

The most prominent single cause of corrosion in boiler-tubes, drums, economisers and steam superheaters in a thermal power plant boiler is the

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).

Compressed dry air is used as the cutting fluid, while machining

Which of the following is an unconventional source of energy?

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

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

Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be

The unit of gc is

Which of the following has the least value of ultimate tensile strength (UTS)?

Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air.

Electrometallurgy is not involved in the extraction of __________ from its ore.

Addition of __________ to steel does not impart hardness.

Age hardening is connected with

Also checkout

The following type of bonding is strongly directional in solids.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Diffusion co-efficient of a metal in a solid solution depends upon its

Which of the following does not discharge the dust collected as a dry solid?

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

Identify the correct statement.

Which of the following metals cannot be hot worked at room temperature?

Which of the following materials has the maximum shrinkage allowance?

Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded portion.

__________ is not a heat treatment process.

Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are:

Pick out the wrong statement.

The dimensional formula of bulk modulus of elasticity is same as that of the

In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that

Consideration of the creep is the most important in case of the

The burnout heat flux in the nucleate boiling regime is not a function of the

While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the

Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and

A solar cell converts the sunlight directly into __________ energy.

The most prominent single cause of corrosion in boiler-tubes, drums, economisers and steam superheaters in a thermal power plant boiler is the

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).

Compressed dry air is used as the cutting fluid, while machining

Which of the following is an unconventional source of energy?

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

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

Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be

The unit of gc is

Which of the following has the least value of ultimate tensile strength (UTS)?

Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air.

Electrometallurgy is not involved in the extraction of __________ from its ore.

Addition of __________ to steel does not impart hardness.

Age hardening is connected with

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).