A.Decreases as V2
B.Decreases linearly with V
C.Increases linearly with V
D.None of these
Explanation: The correct answer is Increases linearly with V.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 157 of 557.
Chemical Engineering MCQs
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A.One third
B.Half
C.One eighth
D.One fourth
Explanation: The correct answer is Half.
Submitted by: Academy of Pakistan
A.Ton stock/hr
B.Ton stock/m2 hearth area
C.Both B. and C.
D.Ton stock/hr/m2 hearth area
Explanation: The correct answer is Ton stock/hr/m2 hearth area.
Submitted by: Academy of Pakistan
The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is________?
0A.1
B.-ve
C.0
Explanation: The correct answer is 0.
Submitted by: Academy of Pakistan
A.Uses slower neutrons for fission
B.Requires less fuel to run at the same power level
C.Gives higher power density
D.Uses faster neutrons for fission
Explanation: The correct answer is Uses slower neutrons for fission.
Submitted by: Academy of Pakistan
The ability of tool steel to resist softening at high temperatures is termed as ________ hardness?
0A.Extreme
B.Super
C.Extended
D.Red
Explanation: The correct answer is Super.
Submitted by: Academy of Pakistan
A.Baffle
B.Vent
C.Catchall
D.Bleed point
Explanation: The correct answer is Catchall.
Submitted by: Academy of Pakistan
A.None of these
B.Murphree plate efficiency
C.Point efficiency
D.Overall plate efficiency
Explanation: The correct answer is Murphree plate efficiency.
Submitted by: Academy of Pakistan
A.600-800
B.1000-1100
C.200-300
D.80-120
Explanation: The correct answer is 1000-1100.
Submitted by: Academy of Pakistan
A.High porosity
B.Low porosity
C.Both B. and C.
D.High permeability
Explanation: The correct answer is Both B. and C..
Submitted by: Academy of Pakistan
A.And the hydrodynamic boundary layers are identical
B.Disappears
C.Is thicker than hydrodynamic boundary layer
D.Is thinner than hydrodynamic boundary layer
Explanation: The correct answer is Is thinner than hydrodynamic boundary layer.
Submitted by: Academy of Pakistan
A.Fuel supply for ignition is not sufficient
B.Vaporisation of the fuel is decreased
C.Pour point of fuel decreases
D.Octane number of fuel is decreased
Explanation: The correct answer is Vaporisation of the fuel is decreased.
Submitted by: Academy of Pakistan
A.Oxygen
B.Carbon monoxide
C.Carbon dioxide
D.Air
Explanation: The correct answer is Carbon monoxide.
Submitted by: Academy of Pakistan
A.Positive pressure exists in the furnace
B.The fan operates hot and hence blades are liable to corrosion and erosion
C.Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced
D.None of these
Explanation: The correct answer is Positive pressure exists in the furnace.
Submitted by: Academy of Pakistan
A.Neither A. nor B.
B.Characteristic property of diesel & lubricating oils
C.Both A. and B.
D.Measure of aromatic content of oil
Explanation: The correct answer is Both A. and B..
Submitted by: Academy of Pakistan