A.Polyvinyl acetate
B.Polythene
C.Polypropylene
D.PVC
Explanation: The correct answer is PVC.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 257 of 557.
Chemical Engineering MCQs
Showing page 257 of 557 · 8,342 total solved questions available.
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A.Air at room temperature
B.Nitrogen at room temperature
C.Water at room temperature
D.Oxygen at room temperature
Explanation: The correct answer is Water at room temperature.
Submitted by: Academy of Pakistan
A.High heat transfer rate
B.Foaming of the solution
C.High evaporation rate
D.High vacuum in the evaporator
Explanation: The correct answer is Foaming of the solution.
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A.Multistage centrifugal
B.Diaphragm
C.Gear
D.Reciprocating
Explanation: The correct answer is Multistage centrifugal.
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A.Calcium cyanamide
B.Urea
C.Ammonium sulphate
D.CAN
Explanation: The correct answer is Calcium cyanamide.
Submitted by: Academy of Pakistan
A.Physical
B.Chemical
C.Neither A. nor B.
D.Both A. and B.
Explanation: The correct answer is Chemical.
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A.Diffusion co-efficient and mass transfer co-efficient are not same in any mass transfer
B.Mass transfer co-efficient does not account for gas-liquid diffusion
C.Contacting cold liquid with warm vapor-gas mixture exemplifies dehumidification process
D.Contacting cold vapor-gas mixture with hot liquid exemplifies humidification process
Explanation: The correct answer is Mass transfer co-efficient does not account for gas-liquid diffusion.
Submitted by: Academy of Pakistan
A.CO2
B.CO
C.H2O
D.O2
Explanation: The correct answer is CO.
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A.Fatigue resistance
B.Deflection value
C.Elastic limit
D.None of these
Explanation: The correct answer is None of these.
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A.An inorganic polymer
B.Same as thermosetting phenol-formaldehyde
C.Not a polymer
D.Same as Polytetrafluoroethylene (PTFE)
Explanation: The correct answer is Same as thermosetting phenol-formaldehyde.
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A.Two
B.Three
C.One
D.Zero
Explanation: The correct answer is One.
Submitted by: Academy of Pakistan
A.Kraft method of pulp manufacture can process all types of fibrous raw materials
B.None of these
C.Both temperature and pressure in the digestor is less in case of the sulphite method as
D.Digestion time for bagasse is less than that for wood base materials
Explanation: The correct answer is None of these.
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A.Batch reactor
B.Fluidised bed reactor
C.Stirred tank reactor
D.Tubular flow reactor
Explanation: The correct answer is Tubular flow reactor.
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A.German silver
B.Dow metal
C.Babbitt metal
D.Monel metal
Explanation: The correct answer is Dow metal.
Submitted by: Academy of Pakistan
A.Forced convection
B.Natural convection
C.Radiation
D.Steady state conduction
Explanation: The correct answer is Radiation.
Submitted by: Academy of Pakistan