A.Copper
B.Lead
C.Aluminium
D.Zinc
Explanation: The correct answer is Copper.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 284 of 557.
Chemical Engineering MCQs
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A.Tray
B.Conveyor
C.Festoon
D.Tunnel
Explanation: The correct answer is Tunnel.
Submitted by: Academy of Pakistan
A.Calcium nitrate
B.Ammonium sulphate
C.Calcium ammonium nitrate (CAN)
D.Urea
Explanation: The correct answer is Urea.
Submitted by: Academy of Pakistan
A.293
B.141.5
C.566
D.283
Explanation: The correct answer is 293.
Submitted by: Academy of Pakistan
A.Dilute HCl
B.K2CO3 solution
C.Ammoniacal liquor
D.Dilute H2SO4
Explanation: The correct answer is Ammoniacal liquor.
Submitted by: Academy of Pakistan
A.Both B. & C.
B.Cooling
C.Solvent extraction
D.Heating
Explanation: The correct answer is Both B. & C..
Submitted by: Academy of Pakistan
High noise levels produced during operation of fans and compressors can be reduced by using________?
0A.None of these
B.Lagging of noisy duct
C.Mufflers (silencers)
D.Acoustic absorbent
Explanation: The correct answer is Mufflers (silencers).
Submitted by: Academy of Pakistan
A.Sizing
B.Dispersion
C.Sorting
D.Clarification
Explanation: The correct answer is Sorting.
Submitted by: Academy of Pakistan
A.Water gas
B.Producer gas
C.Natural gas
D.Coke oven gas
Explanation: The correct answer is Water gas.
Submitted by: Academy of Pakistan
A.Removed by acid pickling
B.Left as such to protect the surface
C.Hammered into the surface
D.Removed with coarse emery cloth
Explanation: The correct answer is Removed by acid pickling.
Submitted by: Academy of Pakistan
A.Are used in outer lining of L.D. converters
B.Are stored under controlled temperature & humidity to avoid hydration
C.Have poorer hydration resistance than pitch bonded bricks
D.All A., B. and C.
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan
A.Underground gasification of coal
B.Complete combustion of coal
C.Direct hydrogenation of coal
D.Process of conversion of lignite into anthracite
Explanation: The correct answer is Process of conversion of lignite into anthracite.
Submitted by: Academy of Pakistan
A.Fluorite
B.Gypsum
C.Feldspar
D.Quartz
Explanation: The correct answer is Gypsum.
Submitted by: Academy of Pakistan
A.Same as that of activation energy
B.None of these
C.Dimensionless
D.Same as that of rate constant
Explanation: The correct answer is Same as that of rate constant.
Submitted by: Academy of Pakistan
A.Sum of the chemical potentials of any given component in all the phases should be the same
B.Chemical potentials of all components should be same in a particular phase
C.Chemical potentials of a given component should be equal in all phases
D.None of these
Explanation: The correct answer is Chemical potentials of a given component should be equal in all phases.
Submitted by: Academy of Pakistan