Chemical Engineering Basics MCQs

Question 1

The escape velocity of a body on earth which is independent of its mass is about __________ km/second.

Accepted Answer

11

Answer

3

Answer

7

Answer

15

Question 2

Which of the following is an ore dressing operation?

Accepted Answer

Classification

Answer

Smelting

Answer

Roasting

Answer

None of these

Question 3

Maximum consumption of limestone is in the __________ industry.

Accepted Answer

Fertiliser

Answer

Iron and steel

Answer

Cement

Answer

Glass

Question 4

Stoneware pipes used for sewers for carrying sewage normally is joined by __________ joint.

Accepted Answer

Spigot and socket

Answer

Flanged iron

Answer

Collar

Answer

Expansion

Question 5

Which of the following is not a cupro-nick-el alloy?

Accepted Answer

Muntz metal

Answer

German silver

Answer

Monel metal

Answer

None of these

Question 6

Which of the following is not a dielectric material?

Accepted Answer

Rubber and polymeric resins

Answer

Cotton, silk and paper

Answer

Asbestos, glass, porcelain and mica

Answer

All of the above

Question 7

Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process?

Accepted Answer

Sheardising

Answer

Galvanising

Answer

Tinning

Answer

None of these

Question 8

Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot

Accepted Answer

Spinning

Answer

Piercing

Answer

Drawing

Answer

Extrusion

Question 9

It is possible to form martensite

Accepted Answer

Only in iron based alloys

Answer

Sometimes by cold working

Answer

Sometimes without nucleation

Answer

Sometimes by gas quenching