A. Two
B. Four
C. Six
D. Eight
✅ The correct answer is option A.
Basic Chemical Engineering MCQs
Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be
A. 9.5:1
B. 12.5:1
C. 15.5 :1
D. 18.5 : 1
✅ The correct answer is option A.
Common salt is produced from sea water in India generally by the __________ method.
A. Freeze drying
B. Solar evaporation
C. Electrolytic
D. None of these
✅ The correct answer is option B.
As the fluid flow rate increases, the float of the rotameter
A. Rises in the tube
B. Rotates at higher speed
C. Rotates at lower speed
D. Drops down in the tube
✅ The correct answer is option A.
The leg of a barometric leg pump is longer than the Toricellian leg, which is about __________ metres.
A. 1
B. 5
C. 34
D. 10
✅ The correct answer is option D.
Materials used for making permanent magnets containing iron and nickel are made by __________ technique.
A. Powder metallurgy
B. Casting
C. Forging
D. None of these
✅ The correct answer is option C.
Which of the following material handling equipments is not suitable for moving materials in varying paths?
A. Hand trolley
B. Belt conveyor
C. Crane
D. Truck
✅ The correct answer is option B.
Which of the following relatively employs the highest heat transfer surface area in a high pressure boiler ?
A. Airpreheater
B. Economiser
C. Steam superheater
D. Furnace water wall
✅ The correct answer is option A.
Chlorine acts as a bleaching agent only in the presence of
A. Dry air
B. Pure oxygen
C. Moisture
D. Sunlight
✅ The correct answer is option C.
Fog is an example of colloidal system of
A. Solid dispersed in gas
B. Solid dispersed in liquid
C. Liquid dispersed in gas
D. Gas dispersed in liquid
✅ The correct answer is option C.