A.Can be reflected by a mirror
B.Cannot pass through vacuum
C.Travel in straight line
D.Both B. and C.
Explanation: The correct answer is Both B. and C..
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 244 of 557.
Chemical Engineering MCQs
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A.3.76
B.0.21
C.0.79
D.4.76
Explanation: The correct answer is 3.76.
Submitted by: Academy of Pakistan
A.Evaporation
B.Entrainment
C.Blowdown
D.All A., B. & C.
Explanation: The correct answer is All A., B. & C..
Submitted by: Academy of Pakistan
A.Half life of a reaction increases with increased initial concentration for reaction orders more
B.A flat velocity profile exists in a plug flow reactor
C.Chemical reactions with high activation energy are very temperature sensitive
D.The residence time for all the elements of fluid in case of a P.F.R. need not be same
Explanation: The correct answer is The residence time for all the elements of fluid in case of a P.F.R. need not be same.
Submitted by: Academy of Pakistan
A.> 10
B.1 to 5
C.1
D.5 to 10
Explanation: The correct answer is 1.
Submitted by: Academy of Pakistan
A.164
B.41
C.8.2
D.82
Explanation: The correct answer is 82.
Submitted by: Academy of Pakistan
A.ds = Constant
B.ds = 0
Explanation: The correct answer is ds = 0.
Submitted by: Academy of Pakistan
A.A gas may have more than one inversion temperatures
B.The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity
C.The inversion temperature is same for all gases
D.The inversion temperature is different for different gases
Explanation: The correct answer is The inversion temperature is different for different gases.
Submitted by: Academy of Pakistan
A.2
B.20.2
C.None of these
D.20.8
Explanation: The correct answer is 20.8.
Submitted by: Academy of Pakistan
A.Toughness
B.Resilience
C.Impact strength
D.Ductility
Explanation: The correct answer is Resilience.
Submitted by: Academy of Pakistan
A.Soaking pit
B.L.D. converter
C.Blast furnace
D.Glass melting tank
Explanation: The correct answer is Blast furnace.
Submitted by: Academy of Pakistan
A.Ammonium bicarbonate
B.Bauxite
C.Gypsum
D.Alumina
Explanation: The correct answer is Bauxite.
Submitted by: Academy of Pakistan
A.Forged
B.Machinable stainless
C.Cold rolled mild
D.Hot rolled mild
Explanation: The correct answer is Cold rolled mild.
Submitted by: Academy of Pakistan
A.1/3
B.1/2
C.3
D.1/9
Explanation: The correct answer is 1/2.
Submitted by: Academy of Pakistan
A.Pyrolysis
B.Steam reforming
C.Aeration
D.Hydrogenation
Explanation: The correct answer is Steam reforming.
Submitted by: Academy of Pakistan