Chemical Engineering MCQs with explanations

Question 1

The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the ________ allowance?

Accepted Answer

Draft

Question 2

In sewage treatment, its sedimentation is speeded up by commonly adding________?

Accepted Answer

Lime

Question 3

Which is an example of closed system?

Accepted Answer

Liquid cooling system of an automobile

Question 4

In the decomposition of PCl5 represented by, PCl5 ⇌ PCl3 + Cl2, decrease in the pressure of the system will ________ the degree of dissociation of PCl5?

Accepted Answer

Increase

Question 5

Which of the following is artificially produced as it does not occur in nature?

Accepted Answer

Both B. and C.

Question 6

Which of the following has the least thermal efficiency?

Accepted Answer

Steam engine

Question 7

An ideal coolant for a nuclear reactor should ________?

Accepted Answer

Be free from radiation damage and non-corrosive

Question 8

Planck’s distribution law is valid for ________ bodies?

Accepted Answer

Coloured

Question 9

Light oil whose major component is Benzol, is obtained by the distillation of crude tar in the temperature range of ________ °C?

Accepted Answer

80-170

Question 10

With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be________?

Accepted Answer

Higher in P.F. reactor

Chemical Engineering MCQs with Explanations