Chemical Engineering MCQs with explanations

Question 1

Thermocouple is suitable for measuring________?

Accepted Answer

Both high and low temperatures

Question 2

For a given Reynold number as d/D for an orifice increases, Cd will (where, d & D are orifice & pipe diameters respectively)?

Accepted Answer

Increase

Question 3

________ are used as corrosion inhibitor for iron & steel in aqueous solutions?

Accepted Answer

Chromates

Question 4

Ultimate strength in tension as compared to that in shear for steel is________?

Accepted Answer

One and half times

Question 5

Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate)?

Accepted Answer

All A., B. & C.

Question 6

Which of the following filled system expansion thermometer has the capability to measure the lowest temperature?

Accepted Answer

Alcohol in glass thermometer

Question 7

Molecular weight of petrol may be about ________?

Accepted Answer

100-130

Question 8

At very high concentration of enzymes, the rate of fermentation chemical reaction is ________ the concentration of reactants?

Accepted Answer

Independent of

Question 9

The ratio of neutrons to protons of an element having a mass number and atomic number of 80 and 40 respectively is ________?

Accepted Answer

1

Question 10

The following type of bonding is strongly directional in solids?

Accepted Answer

Covalent

Chemical Engineering MCQs with Explanations