The product out from a cupola is called

Question

The product out from a cupola is called

A. Wrought iron

B. Pig iron

C. Cast iron

D. None of these

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Pick out the wrong statement

A. Processing of thermosetting plastics is ideally done by injection moulding

B. Processing of thermoplastics is ideally done by compression moulding

C. Mass production of seamless pipes are done by electrical resistance welding (ERW)

D. Stretch forming is a process of cold drawing

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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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During sensible heating of humid air

A. Relative humidity increases

B. Dew point remains constant

C. Dry bulb & wet bulb temperature increases

D. Both 'b' & 'c'

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Bad odour in sanitary latrines is reduced by periodically sprinkling

A. Bleaching powder

B. Lime powder

C. Aluminium sulphate

D. None of these

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The condition of diffraction from a crystal is given by

A. nλ = 2d Sin θ

B. λ = d Sin 2θ

C. λ = 2d Sin 2θ

D. nλ = d Sin θ

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Removal of non-condensable from steam or other vapour is termed as the __________ process.

A. Condensation

B. Deaeration

C. Scavenging

D. Exhaust

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The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

A. 0.5

B. 3

C. 10

D. 25

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Solute atoms which cause yield point phenomenon in mild steel are/is

A. Aluminium

B. Boron

C. Carbon

D. Nitrogen

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__________ wire is never used for making the heating element.

A. Nichrome

B. Kanthal

C. Invar

D. None of these

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Babbitt lining is used on brass/bronze bearings to increase the

A. Antifriction properties

B. Compressive strength

C. Bearing resistance

D. Wear resistance

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Which of the following phenomenon/ phenomena is/are diffusion controlled?

A. Dislocation climb

B. Cross-slip

C. Twinning

D. Recrystallisation

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Minimum thermal efficiency of a steam boiler may be around __________ percent

A. 25

B. 45

C. 65

D. 20

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Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

A. Decreases

B. Increases

C. Remain same

D. May increase or decrease

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__________ cannot increase the fatigue strength of a material.

A. Grain refining

B. Grain coarsening

C. Surface hardening

D. Shot peening

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Which of the following fastening devices has a head at one end and a nut fitted to the other?

A. Bolt

B. Stud

C. Top bolt

D. None of these

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Which of the following is a commonly used manometric liquid for low pressure range?

A. Ethyl alcohol

B. Carbon tetrachloride

C. Glycerol

D. Ethylene glycol

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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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With increase in temperature, the electrical conductivity of semiconductors

A. Increases

B. Decreases

C. Remain constant

D. Either (A) or (B), depends on the type of semi-conductor

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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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__________ of air does not increase with increase in temperature.

A. Density

B. Thermal diffusivity

C. Viscosity

D. Thermal conductivity

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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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In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?

A. Tin

B. Lead

C. Zinc

D. Glass

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Electrostatic separation of minerals from each other is based on their differences in the following property.

A. Densities

B. Magnetic permeabilities

C. Electrical conductivities

D. Hardness

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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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Broaching tools are usually made of

A. Cermets

B. High speed steel

C. Tungsten carbide

D. Stellite

Discuss this answer

Pick out the wrong statement.

A. The equivalent stiffness of two springs (of equal stiffness 'S') in series is S/2 while in parallel is 2S

B. For a helical spring, deflection is proportional to D³ (D = mean coil diameter) or d⁴ (d = wire diameter)

C. Crushing load or columns is less than the buckling load

D. Modulus of resilience is proportional to (stress at elastic limit)²

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Which of the following phenomenon will exhibit the minimum heat transfer?

A. Boiling

B. Forced convection in air

C. Free convection in air

D. Conduction in air

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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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To improve the machinability of steel, it is generally subjected to

A. Spheroidising

B. Tempering

C. Normalising

D. Annealing

Discuss this answer

'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

A. V

B. V/2

C. 2V

D. 3V

Discuss this answer

Accepted Answer

C. Cast iron

The product out from a cupola is called

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Pick out the wrong statement

Window panes of aeroplanes are normally made of

During sensible heating of humid air

Bad odour in sanitary latrines is reduced by periodically sprinkling

The condition of diffraction from a crystal is given by

Removal of non-condensable from steam or other vapour is termed as the __________ process.

The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

Solute atoms which cause yield point phenomenon in mild steel are/is

__________ wire is never used for making the heating element.

Babbitt lining is used on brass/bronze bearings to increase the

Which of the following phenomenon/ phenomena is/are diffusion controlled?

Minimum thermal efficiency of a steam boiler may be around __________ percent

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

__________ cannot increase the fatigue strength of a material.

Which of the following fastening devices has a head at one end and a nut fitted to the other?

Which of the following is a commonly used manometric liquid for low pressure range?

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

With increase in temperature, the electrical conductivity of semiconductors

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

__________ of air does not increase with increase in temperature.

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

In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?

Electrostatic separation of minerals from each other is based on their differences in the following property.

Which of the following is not a ferromagnetic material?

Broaching tools are usually made of

Pick out the wrong statement.

Which of the following phenomenon will exhibit the minimum heat transfer?

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

To improve the machinability of steel, it is generally subjected to

'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

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