A.Temperature is constant
B.Pressure is constant
C.Heating takes place
D.Cooling takes place
Explanation: The correct answer is Cooling takes place.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 126 of 557.
Chemical Engineering MCQs
Showing page 126 of 557 · 8,342 total solved questions available.
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A.Nature of the moisture
B.Nature of the solid
C.Temperature
D.All A., B. and C.
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan
A.Urea
B.Combustion
C.Trees
D.Biomass burning
Explanation: The correct answer is Combustion.
Submitted by: Academy of Pakistan
A.0.80
B.0.95
C.0.99
D.0.55
Explanation: The correct answer is 0.80.
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A.None of these
B.Blanketting the area with nitrogen atmosphere
C.Spraying water
D.Fire fighting foam
Explanation: The correct answer is Blanketting the area with nitrogen atmosphere.
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A.Aluminium
B.Iron
C.Copper
D.Titanium
Explanation: The correct answer is Aluminium.
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A.Silicon carbide bricks
B.Porous fireclay bricks
C.Semi-silica bricks
D.Dead burnt magnesite ramming mass
Explanation: The correct answer is Dead burnt magnesite ramming mass.
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A.Electrical conductivity
B.Softening temperature
C.Spalling resistance
D.Resistance to slag attack
Explanation: The correct answer is Softening temperature.
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A.Decreases
B.Is not affected
C.May increase or decrease; depends on the feed
D.Increases
Explanation: The correct answer is Decreases.
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A.Np ∝ 1/NRe
B.Np → constant
C.Np ∝ NRe
Explanation: The correct answer is Np ∝ 1/NRe.
Submitted by: Academy of Pakistan
A.Geometrical similarity
B.Same speed
C.Same efficiency
D.Dynamic similarity
Explanation: The correct answer is Dynamic similarity.
Submitted by: Academy of Pakistan
A.Twice
B.0.6-0.8 times
C.Equal to
D.2 ft irrespective of (for column > 3 ft diameter)
Explanation: The correct answer is 0.6-0.8 times.
Submitted by: Academy of Pakistan
Which of the following increases during evaporative cooling process with recirculated water supply?
0A.Partial pressure of vapour
B.Wet bulb temperature
C.Relative humidity
D.Both B. and C.
Explanation: The correct answer is Both B. and C..
Submitted by: Academy of Pakistan
A.Plutonium-239
B.Uranium-233
C.Uranium-235
D.Thorium-233
Explanation: The correct answer is Uranium-233.
Submitted by: Academy of Pakistan
A.Neither A. nor B.
B.Both A. & B.
C.Non-polar
D.Polar
Explanation: The correct answer is Both A. & B..
Submitted by: Academy of Pakistan