A.Easily reshaped & reused
B.Formed by addition polymerisation only
C.More brittle
D.Soluble in all organic solvents
Explanation: The correct answer is More brittle.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 324 of 557.
Chemical Engineering MCQs
Showing page 324 of 557 · 8,342 total solved questions available.
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A.Shear stresses are generally larger than in a similar laminar flow
B.Momentum transfer is on molecular scale only
C.Fluid particles move in an orderly manner
D.Shear stress is caused more effectively by cohesion than momentum transfer
Explanation: The correct answer is Shear stresses are generally larger than in a similar laminar flow.
Submitted by: Academy of Pakistan
A.Less than the wet bulb temperature
B.Equal to the ambient temperature
C.Equal to the wet bulb temperature
D.More than the wet bulb temperature
Explanation: The correct answer is More than the wet bulb temperature.
Submitted by: Academy of Pakistan
A fluid is termed as the Newtonian fluid, when the shear stress is ________ the velocity gradient?
0A.Independent of
B.None of these
C.Directly proportional to
D.Inversely proportional to
Explanation: The correct answer is Directly proportional to.
Submitted by: Academy of Pakistan
A.Neither A. nor B.
B.Temperature at constant humidity
C.Both A. and B.
D.Humidity at constant temperature
Explanation: The correct answer is Both A. and B..
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A.2
B.10
C.40
D.8
Explanation: The correct answer is 2.
Submitted by: Academy of Pakistan
A.40°
B.32°
C.16°
D.46°
Explanation: The correct answer is 32°.
Submitted by: Academy of Pakistan
A.107-109
B.10 to 103
C.102-107
D.109-1011
Explanation: The correct answer is 102-107.
Submitted by: Academy of Pakistan
A.Sum of A. & B.
B.Normal energy of reactants
C.Activation energy
D.Neither A. nor B.
Explanation: The correct answer is Sum of A. & B..
Submitted by: Academy of Pakistan
A.Flows outside the tubes
B.Flows through the tube
C.Can flow either inside or outside the tubes
D.Should not be used as it gives very high pressure drop
Explanation: The correct answer is Flows outside the tubes.
Submitted by: Academy of Pakistan
A.Flight conveyor
B.Ribbon conveyor
C.Drag conveyor
D.Bucket elevators
Explanation: The correct answer is Bucket elevators.
Submitted by: Academy of Pakistan
A.Frother
B.Conditioner
C.Collector
D.Depressor
Explanation: The correct answer is Frother.
Submitted by: Academy of Pakistan
A.Increase heat transfer rate
B.Remove dirt
C.Reduce heat transfer rate
D.Reduce vibrations
Explanation: The correct answer is Increase heat transfer rate.
Submitted by: Academy of Pakistan
A.-5
B.10-30
C.500-600
D.250-280
Explanation: The correct answer is 250-280.
Submitted by: Academy of Pakistan
A.None of these
B.Volume
C.Mass
D.Critical temperature
Explanation: The correct answer is None of these.
Submitted by: Academy of Pakistan