A. Lower melting temperature
B. Same melting temperature
C. Same composition
D. Both B & C
✅ The correct answer is option D.
Chemical Engineering MCQs
Neutrons are present in all atoms except that of
A. He
B. C
C. H
D. Ar
✅ The correct answer is option C.
Yield strength of a material is determined by the __________ test.
A. Creep
B. Tension
C. Compression
D. Endurance
✅ The correct answer is option B.
Batch process is preferred over continuous process, when the
A. Product yields and quality can not be achieved in continuous process, because of long residence time
B. Sales demand of product is not steady
C. Same equipment can not be used for several processes of the same nature
D. All of the above
✅ The correct answer is option B.
Large scale fire on fuel gas line is normally extinguished by
A. Water
B. Steam
C. Foam
D. Nitrogen
✅ The correct answer is option D.
In the blast furnace, incorporation of water vapour in the blast gives the following effect.
A. Increases the reducing potential of the gas
B. Increases the flame temperature
C. No significant change occurs
D. Increases the hydrogen content in the metal
✅ The correct answer is option A.
Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10⁻² atm, the partial pressure of B is 10⁻³ atm and the partial pressure of AB is 1 atm, the equilibrium constant ‘K’ is
A. 10 atmv
B. 10⁵ atm⁻¹
C. 10 (dimensionless)
D. 10⁵ (dimensionless)
✅ The correct answer is option B.
Existence of velocity potential implies that the fluid is
A. Irrotational
B. Ideal
C. Compressible
D. In continuum
✅ The correct answer is option A.
Number of electrons in the outermost orbit of a semi-conductor is
A. 2
B. 4
C. 6
D. 8
✅ The correct answer is option B.
Feed check valve is used in steam boilers to
A. Check the water level in the boiler
B. Check the feed water flow rate
C. Feed high pressure water to boiler and guard against its backflow through it
D. None of these
✅ The correct answer is option C.