A. High vacuum
B. Zero pressure
C. 0°K
D. Earth
✅ The correct answer is option B.
Basic Chemical Engineering MCQs
The suction and delivery pressure for a two stage compressor are 1 and 25 atm respectively. The intermediate stage pressure would be around __________ atm.
A. 5
B. 10
C. 15
D. 20
✅ The correct answer is option A.
For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be
A. 100% indirect reduction
B. 100% direct reduction
C. 50-60% indirect reduction
D. 30-40% indirect reduction
✅ The correct answer is option C.
Which of the following is the most elastic material?
A. Plastic
B. Glass
C. Steel
D. Rubber
✅ The correct answer is option C.
Fatigue strength of a material can not be increased by
A. Cold working
B. Hot working
C. Shot peening
D. Any of these
✅ The correct answer is option B.
The condition of diffraction from a crystal is given by
A. nλ = 2d Sin θ
B. λ = d Sin 2θ
C. λ = 2d Sin 2θ
D. nλ = d Sin θ
✅ The correct answer is option A.
The ratio of the shear stress to the principal stress on a principal plane is
A. 0
B. 1
C. 1/2
D. 1/3
✅ The correct answer is option A.
The driving force for the sintering of a powder compact is
A. Strain energy
B. Surface energy
C. Volume energy
D. Stacking fault energy
✅ The correct answer is option B.
__________ has the highest melting point out of the following.
A. Tungsten
B. Zirconium
C. Molybdenum
D. Tantalum
✅ The correct answer is option A.
__________ is not used as the control rod material in a nuclear reactor.
A. Cobalt
B. Hafnium
C. Cadmium
D. Boron
✅ The correct answer is option A.