A.A chemical phenomenon
B.A physical phenomenon
C.Same as erosion
D.An uncontrollable phenomenon
Explanation: The correct answer is A chemical phenomenon.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 185 of 557.
Chemical Engineering MCQs
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A.Impart flexibility
B.Improve workability during fabrication
C.All A., B. and C.
D.Develop new improved properties not present in the original resin
Explanation: The correct answer is All A., B. and C..
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A.2
B.3
C.4
D.1
Explanation: The correct answer is 2.
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A.2x
B.x
C.4x
Explanation: The correct answer is x.
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A.HSLA steel
B.Titanium
C.Austenitic stainless steel
D.Ferritic stainless steel
Explanation: The correct answer is HSLA steel.
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A.Decreased yield of urea
B.Decreased specific volume of molten mass
C.Decreased degree of conversion of NH3 to urea
D.Increased degree of conversion of CO2 to urea
Explanation: The correct answer is Increased degree of conversion of CO2 to urea.
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A.Assumption that all particles in a single fraction are equal in size
B.None of these
C.Assumption that all particles in a single fraction are equal in size, is not needed
D.Fact that screening is more effective
Explanation: The correct answer is Assumption that all particles in a single fraction are equal in size, is not needed.
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A.160
B.60
C.5
D.200
Explanation: The correct answer is 60.
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A.Martensite
B.Pearlite
C.Ferrite
D.Cementite
Explanation: The correct answer is Pearlite.
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A.Isentropic
B.Isobaric
C.Polytropic
D.Isometric
Explanation: The correct answer is Polytropic.
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Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the________?
0A.Corrosive nature of the waste gas
B.All A., B. and C.
C.Dust concentration & nature of dust in waste gas
D.Quantity & temperature of waste gas
Explanation: The correct answer is Dust concentration & nature of dust in waste gas.
Submitted by: Academy of Pakistan
A.Are absorbed throughout the plant
B.Are stomach poisons
C.Kill insects following external bodily contact
D.Emit poisonous vapour
Explanation: The correct answer is Are absorbed throughout the plant.
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A.N2
B.CO
C.H2
D.CO2
Explanation: The correct answer is N2.
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A.Carnot cycle
B.Ordinary vapour compression cycle
C.Vapour compression with a reversible expansion engine
D.Air cycle
Explanation: The correct answer is Air cycle.
Submitted by: Academy of Pakistan
A.Fibres
B.Thermoplastics
C.Thermosetting polymers
D.Elastomers
Explanation: The correct answer is Thermosetting polymers.
Submitted by: Academy of Pakistan