A.0.03 sec-1
B.0.05 min-1
C.0.03 min-1
D.0.03 hr-1
Explanation: The correct answer is 0.03 min-1.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 218 of 557.
Chemical Engineering MCQs
Showing page 218 of 557 · 8,342 total solved questions available.
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A.Flame photometry
B.Emission spectroscopy
C.Polarimetry
D.Oscillometry
Explanation: The correct answer is Polarimetry.
Submitted by: Academy of Pakistan
A.Fine feed requires a larger ball
B.Coarse feed requires a larger ball
C.None of these
D.Operating speed should be more than the critical speed
Explanation: The correct answer is Coarse feed requires a larger ball.
Submitted by: Academy of Pakistan
A.Cyclo tetramethylene tetranitramine
B.Trinitrobenzene
C.Trinitro resorcinol
D.Cyclo trimethylene trinitramine
Explanation: The correct answer is Cyclo trimethylene trinitramine.
Submitted by: Academy of Pakistan
A.Resistance to compressive loads
B.Fracture due to uneven expansion at high temperature
C.Resistance to chemical action of gases and molten fluxes
D.Softening
Explanation: The correct answer is Fracture due to uneven expansion at high temperature.
Submitted by: Academy of Pakistan
A.Radiation
B.All A, B. & C
C.Supported metal oxide catalysts
D.Ziegler catalysts
Explanation: The correct answer is All A, B. & C.
Submitted by: Academy of Pakistan
A.Black
B.Red
C.Yellow
D.Violet
Explanation: The correct answer is Yellow.
Submitted by: Academy of Pakistan
A.Decrease heat loss and will have no effect beyond that
B.Increase the heat loss
C.Decrease heat flux
D.Reduce convection heat loss compared to conduction heat less
Explanation: The correct answer is Decrease heat loss and will have no effect beyond that.
Submitted by: Academy of Pakistan
A.15°C and 750 mm Hg
B.0°C and 750 mm Hg
C.0°C and 1 kgf/cm2
D.15°C and 1 kgf/cm2
Explanation: The correct answer is 0°C and 750 mm Hg.
Submitted by: Academy of Pakistan
In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of________?
0A.Drying of coal
B.Combustion of coal by supplying it around the burner
C.Preheating the primary air
D.Transportation of coal
Explanation: The correct answer is Combustion of coal by supplying it around the burner.
Submitted by: Academy of Pakistan
A.Reproducibility
B.Speed of response
C.Static characteristics
D.Fidelity
Explanation: The correct answer is Fidelity.
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A.Circular clarifier
B.Chemical coagulation
C.Sedimentation tank
D.Mechanical flocculation
Explanation: The correct answer is Chemical coagulation.
Submitted by: Academy of Pakistan
A.Thickener
B.Clarifier
C.Strainer
D.Classifier
Explanation: The correct answer is Strainer.
Submitted by: Academy of Pakistan
A.Cellulose acetate
B.High density polythene
C.Cellulose nitrate
D.PVC
Explanation: The correct answer is Cellulose acetate.
Submitted by: Academy of Pakistan
For a reaction of the type of bellow given figure, the rate of reaction (- rx) is given by________?
0A.K1CV – K2CX
B.(K1 – K2) CX
C.(K1 + K2+K3) CX
D.(K1 + K1) CX
Explanation: The correct answer is K1CV – K2CX.
Submitted by: Academy of Pakistan