A. Face centred
B. Simple cubic
C. Body centred
D. None of these
✅ The correct answer is option A.
Basic Chemical Engineering MCQs
The forms in which various metals and non metals occur in nature are called minerals. Which of the following is not a metallic ferrous mineral?
A. Cassiterite
B. Sphalerite
C. Chalcopyrite
D. Calcite
✅ The correct answer is option D.
Drossing is a __________ operation.
A. Smelting
B. Dressing
C. Roasting
D. Dressing
✅ The correct answer is option C.
Pick the odd man out.
A. Austempering
B. Martempering
C. Cyniding
D. Parkerizing
✅ The correct answer is option D.
The boiling & freezing points on a newly defined temperature scale in degree ‘D’ are 400°D & 100°D respectively. The temperature reading corresponding to 60°C on this new temperature scale will be equal to __________ °D.
A. 140
B. 180
C. 240
D. 280
✅ The correct answer is option D.
Which set of materials is used as a moderator in nuclear reactor?
A. Zircalloy & berrylium
B. Zircalloy & heavy water
C. Zirconium & berrylium
D. Heavy water & berrelium
✅ The correct answer is option D.
Refrigerative cooling employed during long distance transportation of food stuffs is normally done by
A. Ice
B. Liquid nitrogen
C. Liquid oxygen
D. Vacuum evaporation
✅ The correct answer is option B.
Euler number is defined as the ratio of inertia force to __________ force.
A. Pressure
B. Elastic
C. Gravity
D. Viscous
✅ The correct answer is option A.
Hoope’s cell is predominantly used for the electrolytic refining of
A. Zinc
B. Copper
C. Aluminium
D. Tin
✅ The correct answer is option C.
The ‘laughing gas’ is
A. Nitrous oxide
B. Nitric oxide
C. Nitrogen trioxide
D. Nitrogen pentoxide
✅ The correct answer is option A.