Chemical Engineering Basics MCQs

Question 1

The product (s) of roasting of a sulphide ore is (are)

Accepted Answer

Oxide only

Answer

Sulphate only

Answer

Oxide and sulphate

Answer

Dependent on temperature and partial pressure of oxygen & sulphur dioxide

Question 2

Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils?

Accepted Answer

Elaiden test

Answer

Reichart-Meissl value test

Answer

Henter value test

Answer

Iodine value test

Question 3

Which of the following pair is correctly matched?

Accepted Answer

All of the above

Answer

Heat transfer: Thermal diffusivity

Answer

Mass transfer: Diffusion co-efficient

Answer

Momentum transfer: Kinematic viscosity

Question 4

A material having good damping property is likely to have

Accepted Answer

Greater defect density

Answer

Fine grained structure

Answer

Lesser defect density

Answer

High tensile strength

Question 5

The swift cup test evaluates the following property of a sheet metal.

Accepted Answer

Drawability

Answer

Stretchability

Answer

Bendability

Answer

None of these

Question 6

Shock resisting steels should possess high

Accepted Answer

Tensile strength

Answer

Hardness

Answer

Toughness

Answer

Wear resistance

Question 7

Which of the following parameters is actually measured during tensile testing of a specimen using Universal testing machine?

Accepted Answer

Load & elongation

Answer

Engineering stress & strain

Answer

True stress & strain

Answer

Poisson's ratio & Young's modulus

Question 8

__________ rubber is generally used for making 'O' rings used for vacuum sealings.

Accepted Answer

Neoprene

Answer

Natural

Answer

Butadiene

Answer

Nitrile

Question 9

Cast iron contains __________ percent carbon.

Accepted Answer

2.5

Answer

3.75

Answer

4.75

Answer

5.25