A.Silicon
B.Chromium
C.Molybdenum
D.Vanadium
Explanation: The correct answer is Silicon.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 97 of 557.
Chemical Engineering MCQs
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A.103
B.1015
C.10-3
D.10-15
Explanation: The correct answer is 10-3.
Submitted by: Academy of Pakistan
A.Employs minimum quantity of refrigerant
B.Consumer minimum horse power
C.Has very high C.O.P.
D.Is as light as possible
Explanation: The correct answer is Is as light as possible.
Submitted by: Academy of Pakistan
A.(W/m2.°K)-1
B.(kcal/hr.m2.°C)-1
C.(BTU/hr.ft2. °F)-1
D.(kcal/hr. m. °C)-1
Explanation: The correct answer is (BTU/hr.ft2. °F)-1.
Submitted by: Academy of Pakistan
A.Pentogens
B.None of these
C.Lignin
D.Cellulose
Explanation: The correct answer is None of these.
Submitted by: Academy of Pakistan
A.Wrought iron
B.None of these
C.High carbon steel
D.Mild steel
Explanation: The correct answer is None of these.
Submitted by: Academy of Pakistan
A.μ° + T ln f
B.μ°+ R ln f
C.μ° + R/T ln f
D.μ° + RT ln f
Explanation: The correct answer is μ° + RT ln f.
Submitted by: Academy of Pakistan
A.Diamine and the ring
B.Dibasic acid and the ring
C.None of these
D.Diamine and the dibasic acid
Explanation: The correct answer is Diamine and the dibasic acid.
Submitted by: Academy of Pakistan
A.Oxidation of ammonia
B.Passing air through high voltage electric arc
C.CaNO3 + H2SO4 reaction
D.None of these
Explanation: The correct answer is Oxidation of ammonia.
Submitted by: Academy of Pakistan
A.> 100
B.> 10
Explanation: The correct answer is > 10.
Submitted by: Academy of Pakistan
A.Temperature
B.None of these
C.Specific volume
D.Pressure
Explanation: The correct answer is Temperature.
Submitted by: Academy of Pakistan
A.Forced convection is relatively more effective in increasing the rate of mass transfer, if Schmidt number is larger
B.Sherwood number in mass transfer corresponds to Nusselt number in heat transfer and Schmidt number to Prandtl number
C.In drying a solid containing moisture above the critical moisture content the number of degrees of freedom is 2
D.Hot gases at moderate pressure are usually in the shell side of shell and tube heat exchangers. At higher pressure, however, it is customary to put gas in the tube side
Explanation: The correct answer is Forced convection is relatively more effective in increasing the rate of mass transfer, if Schmidt number is larger.
Submitted by: Academy of Pakistan
A.Igneous rock
B.Metamorphic rock
C.None of these
D.Sedimentary rock
Explanation: The correct answer is Sedimentary rock.
Submitted by: Academy of Pakistan
A.Oxidation
B.Reduction
C.Dehydration
D.Polymerisation
Explanation: The correct answer is Oxidation.
Submitted by: Academy of Pakistan
A.Both A. & B.
B.Volume
C.Neither A. nor B.
D.Specific gravity
Explanation: The correct answer is Specific gravity.
Submitted by: Academy of Pakistan