A.Tributyl phosphate
B.Nitrophosphate
C.Diammonium phosphate
D.Tricresyl phosphate
Explanation: The correct answer is Nitrophosphate.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 71 of 557.
Chemical Engineering MCQs
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A.Limestone
B.Gypsum
C.Slaked lime
D.Quicklime
Explanation: The correct answer is Slaked lime.
Submitted by: Academy of Pakistan
A.Diolefins
B.Mercaptans
C.Asphalt
D.Waxes
Explanation: The correct answer is Mercaptans.
Submitted by: Academy of Pakistan
A.Vermiculite
B.Glass wool and 85% magnesia
C.Slag wool
D.Ceramic fibre blanket
Explanation: The correct answer is Glass wool and 85% magnesia.
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A.Cryogenic removal of H2 from coke oven gas
B.Steam reforming of naphtha
C.Natural gas cracking
D.Electrolysis of water
Explanation: The correct answer is Electrolysis of water.
Submitted by: Academy of Pakistan
A.Both A. and B.
B.Pr = Sc; there won’t be any change in heat and mass transfer flux with changes in degree of
C.Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same
D.Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change
Explanation: The correct answer is Both A. and B..
Submitted by: Academy of Pakistan
A.Increase
B.Decrease
C.First increase and then decrease
D.First decrease and then increase
Explanation: The correct answer is First increase and then decrease.
Submitted by: Academy of Pakistan
A.15-45 Kgf/cm2 & 450-550°C
B.50 – 75 kgf/cm2 & 600 – 800°C
C.5-10 kgf/cm2 & 150 – 250°C
D.1-5 Kgf/cm2 & 200°C
Explanation: The correct answer is 15-45 Kgf/cm2 & 450-550°C.
Submitted by: Academy of Pakistan
A.Atoms with same number of nucleons but different number of protons are called isobars
B.The product formed by emission of α-particle has mass number less by 4 units than the parent nuclide
C.Out of α, β, and γ-rays, the one having maximum penetration power are γ-rays
D.Atoms with same number of protons but different number of nucleons are called isoters
Explanation: The correct answer is Atoms with same number of protons but different number of nucleons are called isoters.
Submitted by: Academy of Pakistan
A.Peat
B.Anthracite
C.Sub-bituminous coal
D.Lignite
Explanation: The correct answer is Anthracite.
Submitted by: Academy of Pakistan
A.Dispersion
B.Emulsification
C.Wetting
D.Precipitation
Explanation: The correct answer is Precipitation.
Submitted by: Academy of Pakistan
A.Thermal conductivity of stock
B.Temperature of flue gas
C.All A., B. and C.
D.Thickness of heating stock
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan
A.Drag stress to inertial stress
B.Gravitational stress to drag stress
C.Inertial stress to drag stress
D.Inertial stress to gravitational stress
Explanation: The correct answer is Drag stress to inertial stress.
Submitted by: Academy of Pakistan
A.Chemical properties
B.Interfacial area
C.Physical properties
D.Degree of turbulence
Explanation: The correct answer is Chemical properties.
Submitted by: Academy of Pakistan
A.Mechanical energy balance in boundary layer
B.Kinetic energy balance in laminar flow
C.Mechanical energy balance in turbulent flow
D.Mechanical energy balance in potential flow
Explanation: The correct answer is Mechanical energy balance in potential flow.
Submitted by: Academy of Pakistan