A.Pressure of liquids
B.Velocity of liquids
C.Temperature of liquids
D.Velocity of gases
Explanation: The correct answer is Velocity of gases.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 96 of 557.
Chemical Engineering MCQs
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A.Mixture of esters of polyhydric alcohols excepting glycerine
B.Mixture of glycerides
C.Liquid at room temperature
D.Mixture of glycerides of fatty acids
Explanation: The correct answer is Mixture of esters of polyhydric alcohols excepting glycerine.
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A.J.m-1.K-1
B.J.m-2.K-1
C.W.m-2.K-1
D.W-1m2K
Explanation: The correct answer is W-1m2K.
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A.Induction motor
B.Magneto hydrodynamic generator (MHD)
C.Fast breeder reactor
D.Electrostatic precipitator
Explanation: The correct answer is Electrostatic precipitator.
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A.Venturi scrubbers
B.Wetted wall towers
C.Agitated vessels
D.Packed towers
Explanation: The correct answer is Agitated vessels.
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A.Direct use of liquid ammonia as a fertilizer for a tropical country like India is suitable
B.Gypsum (CaSO4. 2H2O) is obtained as a by-product in the wet process for manufacture of
C.Dehydration of ammonium carbamate to produce urea is endothermic
D.Phosphate rock when reacted with dilute H2SO4 produces superphosphate
Explanation: The correct answer is Direct use of liquid ammonia as a fertilizer for a tropical country like India is suitable.
Submitted by: Academy of Pakistan
A.Prevent its thermal degradation
B.Improve its impact strength
C.Improve its elasticity
D.Reduce the melt viscosity & glass transition temperature
Explanation: The correct answer is Prevent its thermal degradation.
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A.Temperature difference of 1°K = 1°C = 9/5°F
B.°F = (°C + 17.778) × 1.8
C.°R = 273 + °F
D.°C = (F- 32) × 0.555
Explanation: The correct answer is °R = 273 + °F.
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A.0.5
B.5
C.10
D.2
Explanation: The correct answer is 2.
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A.Due to uneven supply and improper distribution of liquid, problem of channelling, loading &
B.Packed towers are preferred over plate towers for handling corrosive and foamy liquids
C.Packed towers are preferred for vacuum operation, because the pressure drop through the
D.Diameter of randomly packed tower is normally more than 1.2 metres
Explanation: The correct answer is Diameter of randomly packed tower is normally more than 1.2 metres.
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A.Steel
B.Ferroalloy
C.Cast iron
D.None of these
Explanation: The correct answer is Cast iron.
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A.Standard screens have circular opening
B.Hammer crushers operate by impact action
C.With increase in mesh number of screens, their diameter in microns decreases
D.200 mesh screen has 200 openings per linear cm
Explanation: The correct answer is 200 mesh screen has 200 openings per linear cm.
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A.Increases
B.Remain constant
C.Increases to a maximum before decreasing
D.Decreases
Explanation: The correct answer is Increases.
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A.Petrol
B.Kerosene
C.Furnace oil
D.Diesel
Explanation: The correct answer is Furnace oil.
Submitted by: Academy of Pakistan
A.Normalising
B.Tempering
C.Carburising
D.Annealing
Explanation: The correct answer is Tempering.
Submitted by: Academy of Pakistan