Chemical Engineering Basics MCQs

Question 1

Wrought iron is never shaped by

Accepted Answer

Casting

Answer

Cold working

Answer

Forging

Answer

Welding

Question 2

The function of a nozzle provided in steam turbine is to

Accepted Answer

All of the above

Answer

Throttle down (i.e., reduce) the pressure of steam

Answer

Convert internal energy into kinetic energy

Answer

Increase the velocity of steam

Question 3

Biological shield in a nuclear reactor is generally provided to protect against the

Accepted Answer

Gamma rays & neutrons

Answer

α-rays

Answer

β-rays

Answer

Electrons

Question 4

Ingrannular corrosion occurs __________ stainless steel.

Accepted Answer

Along grain boundaries of

Answer

In all types of steels except

Answer

At the surface of

Answer

In the core of

Question 5

The standard instrument used for calibrating the load applied by universal testing machine is called

Accepted Answer

None of these

Answer

Extensometer

Answer

Spring balace

Answer

Dynamometer

Question 6

Resilience of a material is important, when it is subjected to

Accepted Answer

Shock loading

Answer

Creep

Answer

Fatigue

Answer

Galvanising

Question 7

Dry saturated steam can be converted into superheated steam by

Accepted Answer

Passing it through a pressure reducing valve

Answer

Increasing its cross-sectional area of flow

Answer

Forcing it downwards through a vertical tube

Answer

None of these

Question 8

L.D. converters are generally lined with

Accepted Answer

Chrome magnesite

Answer

Magnesite

Answer

Fireclay

Answer

Silica

Question 9

The ability of a substance to assume two or more crystalline structure is called

Accepted Answer

Polymorphism

Answer

Isomorphism

Answer

Amorphism

Answer

Isomerism