A.Explosion
B.Non biodegradable foam
C.Corrosion
D.Undesirable plant growth
Explanation: The correct answer is Explosion.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 305 of 557.
Chemical Engineering MCQs
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A.50000
B.49200
C.50800
D.51600
Explanation: The correct answer is 50000.
Submitted by: Academy of Pakistan
A.Electrochemical
B.Photochemical
C.Biochemical
D.Chemical
Explanation: The correct answer is Biochemical.
Submitted by: Academy of Pakistan
A.sin α = (dr + dp)/(dr + df)
B.cos α = (dr + dp)/(dr + df)
C.tan α = (dr + dp)/(dr + df)
D.cos α = (dr + df)/(dr + dp)
Explanation: The correct answer is cos α = (dr + dp)/(dr + df).
Submitted by: Academy of Pakistan
A.y = k1 t + k2
B.y2 = 2k1t + k2
C.y = k1t3 + k2
D.y = k1 ln (k2t + k3)
Explanation: The correct answer is y2 = 2k1t + k2.
Submitted by: Academy of Pakistan
A.Pitch
B.Major
C.None of these
D.Minor
Explanation: The correct answer is Major.
Submitted by: Academy of Pakistan
A.10 to 20
B.1 to 2
C.20 to 30
D.4 to 10
Explanation: The correct answer is 4 to 10.
Submitted by: Academy of Pakistan
A.N2 & H2
B.N2 & CH4
C.CH4 & CO2
D.N2 & CO
Explanation: The correct answer is N2 & CO.
Submitted by: Academy of Pakistan
A.Either A. or B.
B.Largest
C.Smallest
D.Neither A. nor B.
Explanation: The correct answer is Neither A. nor B..
Submitted by: Academy of Pakistan
A.Nickel
B.Vanadium pentoxide
C.Silica-alumina
D.Silica gel
Explanation: The correct answer is Silica-alumina.
Submitted by: Academy of Pakistan
A.Both B. & C.
B.Increases economy
C.Increases capacity
D.Does not affect the capacity
Explanation: The correct answer is Both B. & C..
Submitted by: Academy of Pakistan
A.Material of construction is high alloy steel
B.Both B. & C.
C.Wall thickness is > 30 mm
D.Plain carbon steel and cast iron parts are used
Explanation: The correct answer is Both B. & C..
Submitted by: Academy of Pakistan
A.Sulphur decreases
B.Nitrogen decreases
C.None of these
D.Sulphur increases
Explanation: The correct answer is Sulphur increases.
Submitted by: Academy of Pakistan
A.Can accomodate less number of tubes for a given shell diameter
B.Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell
C.Results in higher shell side pressure drop
D.Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer
Explanation: The correct answer is Results in higher shell side pressure drop.
Submitted by: Academy of Pakistan
A.Remove the product
B.Create vacuum
C.Facilitate removal of non-condensable gases
D.Admit the feed
Explanation: The correct answer is Facilitate removal of non-condensable gases.
Submitted by: Academy of Pakistan