A.80-100
B.0.1-0.5
C.10-20
D.1-5
Explanation: The correct answer is 80-100.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 142 of 557.
Chemical Engineering MCQs
Showing page 142 of 557 · 8,342 total solved questions available.
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A.Polytetrafluroethylene (PTFE)
B.Phenol formaldehyde
C.A monomer
D.An inorganic polymer
Explanation: The correct answer is Polytetrafluroethylene (PTFE).
Submitted by: Academy of Pakistan
A.High volatile matter
B.Non smoking tendency
C.Low calorific value
D.Low ash content
Explanation: The correct answer is High volatile matter.
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A.It is difficult to maintain
B.It is not economic
C.None of these
D.The heat transfer rate is low in view of the large temperature drop
Explanation: The correct answer is The heat transfer rate is low in view of the large temperature drop.
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A.Wet bulb temperature
B.None of these
C.Dew point
D.Dry bulb temperature
Explanation: The correct answer is Wet bulb temperature.
Submitted by: Academy of Pakistan
A.Makes it brittle
B.Is desirable
C.Increases its strength
D.Increases its hardness
Explanation: The correct answer is Makes it brittle.
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A.Porosity
B.Critical air blast (CAB) value
C.Both B. and C.
D.Coke reactivity index (CRI)
Explanation: The correct answer is Critical air blast (CAB) value.
Submitted by: Academy of Pakistan
A.Cryolite
B.None of these
C.Rock phosphate
D.Chalcopyrite
Explanation: The correct answer is Rock phosphate.
Submitted by: Academy of Pakistan
A.Used for multi-component systems like crude refining
B.Same as differential distillation
C.Most useful for handling binary systems
D.Same as simple distillation
Explanation: The correct answer is Used for multi-component systems like crude refining.
Submitted by: Academy of Pakistan
A.J.J. Thomson
B.Becquerel
C.Roentgen
D.Madam Curie
Explanation: The correct answer is Becquerel.
Submitted by: Academy of Pakistan
A.If the thickness of the roof is more than that of the cylindrical shell
B.If its diameter is less than 15-20metres
C.If its diameter is more than 50 meters
D.Irrespective of its diameter
Explanation: The correct answer is If its diameter is less than 15-20metres.
Submitted by: Academy of Pakistan
A.Increase the condensing film co-efficient as well as
B.Not affect
C.Increase
D.Decrease
Explanation: The correct answer is Decrease.
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A.Washing soda
B.Soda ash
C.Alum
D.Calcium carbide
Explanation: The correct answer is Soda ash.
Submitted by: Academy of Pakistan
A.Magnesium
B.Arsenic copper
C.Aluminium
D.Nickel
Explanation: The correct answer is Arsenic copper.
Submitted by: Academy of Pakistan
A.Vane meter
B.Venturimeter
C.Weir
D.Pitot tube
Explanation: The correct answer is Pitot tube.
Submitted by: Academy of Pakistan