Chemical Engineering Mcqs

Submitted By: Ali Uppal


The units of the rate constant for a second order reaction are__________________?

(A) Sec-1. mole°

(B) Moles1. sec-1

(C) Moles-1. sec1

(D) Moles1. sec1

Submitted By: Ali Uppal


Between 230 and 370°C, blue brittleness is caused in mild steel because of the_________________?

(A) Immobility of dislocation

(B) Strain-ageing

(C) Increase in Young’s modulus

(D) Strain hardening

Submitted By: Ali Uppal


Submitted By: Ali Uppal


Submitted By: Ali Uppal


An atom bomb works on the principle of __________________?

(A) Nuclear fission

(B) Nuclear fusion

(C) Both the nuclear fission & fusion

(D) Ionisation

Submitted By: Ali Uppal


A psychrometer does not measure the __________________ temperature of moist air?

(A) Dew point

(B) Dry bulb

(C) Wet bulb

(D) None of these

Submitted By: Ali Uppal


With increase in ___________________ Knocking tendency in a spark ignition petrol engine decreases?

(A) Supercharging

(B) Wall temperature

(C) Compression ratio

(D) Engine speed

Submitted By: Ali Uppal


Case hardening is not done by________________?

(A) Nitriding

(B) Hot dipping

(C) Electroplating

(D) Both ‘B’ & ‘C’

Submitted By: Ali Uppal


Oxide layer formed on the non-ferrous metal surface after its annealing is__________________?

(A) Removed by acid pickling

(B) Hammered into the surface

(C) Removed with coarse emery cloth

(D) Left as such to protect the surface

Submitted By: Ali Uppal