Chemical Engineering Basics MCQs

Question 1

Heat required to raise the temperature of a body by 1°C is called its

Accepted Answer

Heat capacity

Answer

Specific heat capacity

Answer

Thermal conductivity

Answer

Water equivalent

Question 2

Energy to be supplied to the radioactive nucleus for the emission of a neutron is __________ MeV.

Accepted Answer

0.8

Answer

7.8

Answer

200

Answer

10000

Question 3

Number of electrons in the outermost shell of a semi-conductor material is

Accepted Answer

8

Answer

2

Answer

4

Answer

6

Question 4

Encyclopaedia of Chemical Technology has been

Accepted Answer

Edited by Kirk Othmer

Answer

Authored by Kirk Othmer

Answer

Edited by Perry and Chilton

Answer

Authored by Perry and Chilton

Question 5

__________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten.

Accepted Answer

Stellite

Answer

High speed steel

Answer

Cermet

Answer

Alnico

Question 6

The hydraulic radius of a circular pipe of diameter 'd' flowing full is

Accepted Answer

$$\frac{{	ext{d}}}{4}$$

Answer

$$\frac{{	ext{d}}}{2}$$

Answer

$$\frac{{2{	ext{d}}}}{3}$$

Answer

$$\frac{{	ext{d}}}{3}$$

Question 7

Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

Accepted Answer

Invar

Answer

Hastealloy

Answer

Duralumin

Answer

Monel metal

Question 8

Material of construction of surveying metallic tapes is __________ which has low coefficient of expansion & enough strength.

Accepted Answer

Invar

Answer

Constantan

Answer

Pewter metal

Answer

Monel metal

Question 9

Softening of hardned steel is done by its

Accepted Answer

Normalising

Answer

Tempering

Answer

Annealing

Answer

Carburising