A.Reheating furnace
B.L.D. converter
C.Rotary lime kiln
D.Soaking pits
Explanation: The correct answer is L.D. converter.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 276 of 557.
Chemical Engineering MCQs
Showing page 276 of 557 · 8,342 total solved questions available.
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A.Is favoured by CO2
B.Is the removal of carbon from iron carbide (Fe3C)
C.All A., B. and C.
D.Affects its crystalline structure
Explanation: The correct answer is All A., B. and C..
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A.Not necessarily greater than
B.Equal to
C.Less than
D.Always greater than
Explanation: The correct answer is Always greater than.
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A.Gives less tar
B.Is light and better
C.All A., B. and C.
D.Gives more distillates
Explanation: The correct answer is Gives more distillates.
Submitted by: Academy of Pakistan
A.60
B.5
C.40
D.20
Explanation: The correct answer is 5.
Submitted by: Academy of Pakistan
A.340
B.320
C.370
D.300
Explanation: The correct answer is 370.
Submitted by: Academy of Pakistan
A.Vaned diffusion casing
B.Turbine type impeller
C.Rotating vaned volute
D.None of these
Explanation: The correct answer is Vaned diffusion casing.
Submitted by: Academy of Pakistan
A.No change
B.Decrease
C.Increase
D.Either A. or B., depends on the type of reaction
Explanation: The correct answer is No change.
Submitted by: Academy of Pakistan
In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the ________ variable?
0A.Controlled
B.None of these
C.Manipulated
D.Load
Explanation: The correct answer is Manipulated.
Submitted by: Academy of Pakistan
A.Reducing the axial mixing
B.All A, B & C.
C.Maintaining the concentration difference between the two phases
D.Increasing the rate of extraction
Explanation: The correct answer is All A, B & C..
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A.5
B.3.75
C.2.5
D.1.25
Explanation: The correct answer is 5.
Submitted by: Academy of Pakistan
A.All A., B. and C.
B.Having very low elastic limit resulting in permanent deformation from either mechanical or
C.Usually joined by burning (e.g. by melting to adjacent pieces with a torch)
D.Especially resistant to solutions containing H2SO4
Explanation: The correct answer is All A., B. and C..
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A.All A., B. and C.
B.Cannot be used in the dome of hot blast stoves
C.crack when subjected to sudden change of temperature
D.Have lower thermal conductivity than fireclay bricks
Explanation: The correct answer is crack when subjected to sudden change of temperature.
Submitted by: Academy of Pakistan
A.None of these
B.Gauge
C.Absolute
D.Atmospheric
Explanation: The correct answer is Gauge.
Submitted by: Academy of Pakistan
A.Winning
B.Dislocation
C.Slip
D.Fracture
Explanation: The correct answer is Dislocation.
Submitted by: Academy of Pakistan