A.99.29
B.0.71
C.6.31
D.12.73
Explanation: The correct answer is 0.71.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 74 of 557.
Chemical Engineering MCQs
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A.0.5
B.1
C.0.25
D.1/√2
Explanation: The correct answer is 1/√2.
Submitted by: Academy of Pakistan
A.Hard glass which is used for making laboratory glass wares is a mixture of sodium
B.Red color is imparted to glass by addition of arsenic oxide
C.Glass is decolorized during its manufacture by adding antimony oxide, manganese dioxide or
D.Ordinary glass is represented chemically by Na2O. CaO. 6SiO2
Explanation: The correct answer is Red color is imparted to glass by addition of arsenic oxide.
Submitted by: Academy of Pakistan
A.Condenser load
B.All A., B. and C.
C.Number of plates
D.Reboiler load
Explanation: The correct answer is Number of plates.
Submitted by: Academy of Pakistan
A.Cast iron
B.Steel or cement-brick lined
C.Hard wood
D.Lead lined stainless steel
Explanation: The correct answer is Steel or cement-brick lined.
Submitted by: Academy of Pakistan
A.Convection
B.Radiation
C.Conduction
D.Condensation
Explanation: The correct answer is Condensation.
Submitted by: Academy of Pakistan
A.W/m2
B.W/°K
C.W/m°K
D.W/m
Explanation: The correct answer is W/°K.
Submitted by: Academy of Pakistan
A.None of these
B.Inside diameter
C.Outside diameter
D.Thickness
Explanation: The correct answer is Outside diameter.
Submitted by: Academy of Pakistan
A.Yield stress
B.Elastic limit
C.Breaking stress
D.Ultimate stress
Explanation: The correct answer is Elastic limit.
Submitted by: Academy of Pakistan
A.None of these
B.Plate and frame filter
C.Rotary vacuum filter
D.Batch basket centrifuge
Explanation: The correct answer is Plate and frame filter.
Submitted by: Academy of Pakistan
A.To superheat the steam
B.Heat the water from 0°C to 100°C
C.Data insufficient, can’t be predicted
D.Evaporate the water
Explanation: The correct answer is Evaporate the water.
Submitted by: Academy of Pakistan
A.Both B. and C.
B.Liquids
C.Gases
D.Solids
Explanation: The correct answer is Both B. and C..
Submitted by: Academy of Pakistan
A.Produces only thermoplastic material
B.Does not need any catalyst
C.Produces epoxy polymers
D.Does not produce linear polymers
Explanation: The correct answer is Produces epoxy polymers.
Submitted by: Academy of Pakistan
A.Nu = (π/2) Gz
B.Nu = 2Gz0.5
C.Nu = 0.023 Re0.8. Pr0.4
D.Nu = (2/π) Gz
Explanation: The correct answer is Nu = (2/π) Gz.
Submitted by: Academy of Pakistan
A.Varies directly as the area and the LMTD
B.None of these
C.Directly proportional to LMTD and inversely proportional to the area
D.Varies as square of the area
Explanation: The correct answer is Varies directly as the area and the LMTD.
Submitted by: Academy of Pakistan