A.None of these
B.Porosity
C.Surface area
D.Sensitivity
Explanation: The correct answer is Sensitivity.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 67 of 557.
Chemical Engineering MCQs
Showing page 67 of 557 · 8,342 total solved questions available.
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A.Evaporation
B.Liquid extraction
C.Distillation
D.Absorption
Explanation: The correct answer is Liquid extraction.
Submitted by: Academy of Pakistan
A.Water from petrol
B.Mustard oil from mustard seed
C.Uranium from its ore
D.Ammonia from coke oven gas
Explanation: The correct answer is Water from petrol.
Submitted by: Academy of Pakistan
A.Increases
B.Remain same
C.May increase or decrease (depends on the suction pressure)
D.Decreases
Explanation: The correct answer is Increases.
Submitted by: Academy of Pakistan
A.Copper has poor weldability
B.Reinforced plastics are made from both thermoplastic as well as thermosetting plastics
C.Thermal conductivity of aluminium is higher than that of copper; hence it is increasingly used for utensil making
D.Pure rubber is as useless as pure gold as a material of construction
Explanation: The correct answer is Thermal conductivity of aluminium is higher than that of copper; hence it is increasingly used for utensil making.
Submitted by: Academy of Pakistan
A.More but less than the diameter of bolt
B.More
C.Same
D.Less
Explanation: The correct answer is More.
Submitted by: Academy of Pakistan
A.Tin, nickel, iron and chromium
B.And graphite
C.None of these
D.And copper
Explanation: The correct answer is Tin, nickel, iron and chromium.
Submitted by: Academy of Pakistan
A.Rescolite
B.Pitchblende
C.Kyanite
D.Carnotite
Explanation: The correct answer is Kyanite.
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A.55
B.40
C.5
D.20
Explanation: The correct answer is 20.
Submitted by: Academy of Pakistan
A.Only physical
B.Neither A. nor B.
C.Both A. & B.
D.Only chemical
Explanation: The correct answer is Both A. & B..
Submitted by: Academy of Pakistan
A.Zirconia
B.Beryllium
C.Magnesia
D.Alumina
Explanation: The correct answer is Alumina.
Submitted by: Academy of Pakistan
A.4200
B.7500
C.900
D.2000
Explanation: The correct answer is 4200.
Submitted by: Academy of Pakistan
A.Gravity
B.Drag
C.All A., B., & C.
D.Buoyant
Explanation: The correct answer is All A., B., & C..
Submitted by: Academy of Pakistan
Maximum size of the raschig rings used in a packed tower is about ________ of the column diameter?
0A.1/10th
B.1/50th
C.1/20th
D.1/30th
Explanation: The correct answer is 1/30th.
Submitted by: Academy of Pakistan
A.Avoid its decomposition
B.Achieve non-hygroscopic property
C.Prevent sulphonation of the monochlorobenzene by the acid catalyst
D.None of these
Explanation: The correct answer is Avoid its decomposition.
Submitted by: Academy of Pakistan