Chemical Engineering Basics MCQs

Question 1

Boiler rating is normally done in terms of

Accepted Answer

Steam output (tons/hr)

Answer

Steam temperature & pressure

Answer

Heat transfer rate (kcal/hr)

Answer

Heat transfer area (m2)

Question 2

Which of the following is not an ore of aluminium?

Accepted Answer

Troosite

Answer

Kaolin

Answer

Alunite

Answer

Cryolite

Question 3

Which of the following is not an ore of aluminium?

Accepted Answer

Troosite

Answer

Kaolin

Answer

Alunite

Answer

Cryolite

Question 4

Matte smelting is used in the extraction of

Accepted Answer

Copper

Answer

Lead

Answer

Zinc

Answer

Aluminium

Question 5

Which of the following material handling equipments is not suitable for moving materials in varying paths?

Accepted Answer

Belt conveyor

Answer

Hand trolley

Answer

Crane

Answer

Truck

Question 6

Earing is a defect found in steels after the following metal working operation (s).

Accepted Answer

Deep drawing

Answer

Rolling

Answer

Extrusion

Answer

Wire drawing

Question 7

Superheating of steam is done at constant

Accepted Answer

Pressure

Answer

Enthalpy

Answer

Entropy

Answer

Volume

Question 8

Pick out the wrong statement.

Accepted Answer

The quality of X-rays can be controlled by varying the anode-cathode voltage

Answer

The X-rays can not be deflected by electric field unlike cathode rays

Answer

The intensity of X-rays can be measured by ionisation current produced due to the ionisation of gas by X-rays

Answer

Crystal structure of a material can be studied by an electron microscope

Question 9

Gas carrying pipelines are best joined by

Accepted Answer

Welding

Answer

Nuts & bolts

Answer

Rivetting

Answer

None of these