A.Both A. & B.
B.Season cracking of brass
C.Neither A. nor (B)
D.Caustic embrittlement of steel
Explanation: The correct answer is Both A. & B..
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 150 of 557.
Chemical Engineering MCQs
Showing page 150 of 557 · 8,342 total solved questions available.
⚡Start Quiz Mode to Practice Like the Real Exam!
A.Excessive liquid gradient over the tray
B.Low reflux ratio
C.High gas velocity
D.Low gas velocity
Explanation: The correct answer is Excessive liquid gradient over the tray.
Submitted by: Academy of Pakistan
A.nD = n/2
B.nD = (n + 1)/2
C.nD = n + 1
D.None of these
Explanation: The correct answer is nD = (n + 1)/2.
Submitted by: Academy of Pakistan
A.Moving bed
B.Non-catalytic
C.Fluidised bed
D.Fixed bed
Explanation: The correct answer is Non-catalytic.
Submitted by: Academy of Pakistan
A.gD3βΔtP2/μ
B.gD2βΔtρ/μ2
C.gD2βΔtP2μ
D.gD3.β.Δtρ2/μ2
Explanation: The correct answer is gD3.β.Δtρ2/μ2.
Submitted by: Academy of Pakistan
A.Represents the conservation of mass
B.None of these
C.Is independent of the compressibility of the fluid
D.Is dependent upon the viscosity of the fluid
Explanation: The correct answer is Represents the conservation of mass.
Submitted by: Academy of Pakistan
A.Polypropylene
B.Polyesters
C.PVC
D.Polythene
Explanation: The correct answer is Polypropylene.
Submitted by: Academy of Pakistan
A.Overall heat transfer co-efficient is very high
B.Requirement of heat transfer area is low
C.A corrosive liquid is to be heated
D.High viscosity liquid is to be cooled
Explanation: The correct answer is Requirement of heat transfer area is low.
Submitted by: Academy of Pakistan
A.Adiabatic expansion
B.Neither A. nor B
C.Joule-Thomson effect
D.Both A. and B
Explanation: The correct answer is Both A. and B.
Submitted by: Academy of Pakistan
A.None of these
B.Aerobic batch
C.Anaerobic batch
D.Continuous
Explanation: The correct answer is Aerobic batch.
Submitted by: Academy of Pakistan
A.A plug-flow reactor
B.A well stirred batch reactor
C.CSTR’s connected in series
D.A single CSTR
Explanation: The correct answer is A single CSTR.
Submitted by: Academy of Pakistan
A.200
B.60.3
C.720
D.180
Explanation: The correct answer is 60.3.
Submitted by: Academy of Pakistan
A.A basic fertilizer
B.The highest concentration nitrogenous fertilizer
C.The best fertilizer for paddy
D.A neutral fertilizer
Explanation: The correct answer is The best fertilizer for paddy.
Submitted by: Academy of Pakistan
A.Metallic soap
B.Detergent
C.Alkaloid
D.Soap
Explanation: The correct answer is Metallic soap.
Submitted by: Academy of Pakistan
A.50
B.800
C.300
D.500
Explanation: The correct answer is 800.
Submitted by: Academy of Pakistan