A.Cotton fibres
B.Nylon fibres
C.Metallic wire woven mesh
D.Polyester fibres
Explanation: The correct answer is Metallic wire woven mesh.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 327 of 557.
Chemical Engineering MCQs
Showing page 327 of 557 · 8,342 total solved questions available.
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A.Newton’s second law of motion
B.Law of projectiles
C.Newton’s third law of motion
D.Archimedes principle
Explanation: The correct answer is Newton’s third law of motion.
Submitted by: Academy of Pakistan
A.Ca SO4. 2H2O
B.Fe4 [Fe (CN6)3]
C.FeO.TiO2
D.AlF3. 3NaF
Explanation: The correct answer is Fe4 [Fe (CN6)3].
Submitted by: Academy of Pakistan
A.Electrolysis of water
B.Iron-steam reaction
C.Steam reforming of naphtha
D.Its cryogenic separation from coke oven gas
Explanation: The correct answer is Iron-steam reaction.
Submitted by: Academy of Pakistan
A.2.5
B.1.5
C.1
D.2
Explanation: The correct answer is 1.5.
Submitted by: Academy of Pakistan
A.Urea
B.None of these
C.Triple superphosphate
D.Calcium ammonium nitrate
Explanation: The correct answer is Urea.
Submitted by: Academy of Pakistan
A.Cooling it
B.Surrounding it by neutron reflecting material
C.Surrounding it by neutron absorbing material
D.Heating it
Explanation: The correct answer is Surrounding it by neutron reflecting material.
Submitted by: Academy of Pakistan
A.Ejector
B.Airlift
C.Blower
D.Injector
Explanation: The correct answer is Airlift.
Submitted by: Academy of Pakistan
Exposure to small amount of ________ results in high blood pressure & heart disease in human beings?
0A.Asbestos
B.Cadmium
C.Mercury
D.Hydrogen sulphide
Explanation: The correct answer is Cadmium.
Submitted by: Academy of Pakistan
A.Film
B.None of these
C.Penetration
D.Surface renewal
Explanation: The correct answer is Surface renewal.
Submitted by: Academy of Pakistan
A.Calcium reduction
B.Electrolytic reduction
C.Magnesium reduction
D.Thermal dissociation
Explanation: The correct answer is Magnesium reduction.
Submitted by: Academy of Pakistan
A.The ratio NNu/NRe. Npr is called the Stanton number
B.The Peclet number is a measure of the ratio of energy transport by convection to that by conduction
C.The Colburn jH factor for heat transfer is given by Nst Npr
D.Fluid movement under the influence of buoyant forces resulting from change in density takes place in case of natural convection
Explanation: The correct answer is The Colburn jH factor for heat transfer is given by Nst Npr.
Submitted by: Academy of Pakistan
A.78
B.None of these
C.50
D.100
Explanation: The correct answer is 100.
Submitted by: Academy of Pakistan
A.K α √T.e-E/RT
B.K α e-E/RT
C.K α eE/RT
D.None of these
Explanation: The correct answer is K α e-E/RT.
Submitted by: Academy of Pakistan
A.Batch reactor
B.Fixed bed reactor
C.Plug-flow reactor
D.Back-mix reactor
Explanation: The correct answer is Back-mix reactor.
Submitted by: Academy of Pakistan