A.Cycle chain
B.Flywheel of steam engine
C.Blades of gas turbine
D.Piston of an I. C. engine
Explanation: The correct answer is Blades of gas turbine.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 147 of 557.
Chemical Engineering MCQs
Showing page 147 of 557 · 8,342 total solved questions available.
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A.Increase its concentration
B.Increase the amount of molasses
C.Increase the crystal size
D.Act as an acidifying agent
Explanation: The correct answer is Act as an acidifying agent.
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A.1
B.0.5
C.0.67
D.2
Explanation: The correct answer is 2.
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A.Is in the form of free Si
B.Indicates that steel is not deoxidised properly
C.None of these
D.Decreases the blow holes formation tendency in castings
Explanation: The correct answer is Decreases the blow holes formation tendency in castings.
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A.Mild steel
B.Cast iron
C.Lead
D.Brass
Explanation: The correct answer is Cast iron.
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A.Increases
B.Remain constant
C.May increase or decrease; depends on the material being ground
D.Decreases
Explanation: The correct answer is Increases.
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A.Mercury thermometer
B.None of these
C.Radiation pyrometer
D.Bimetallic thermometer
Explanation: The correct answer is Bimetallic thermometer.
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A.20
B.36
C.10
D.18
Explanation: The correct answer is 20.
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When both the fluids flow concurrently in an absorber, the slope of the operating line is________?
0A.1
B.-ve
Explanation: The correct answer is -ve.
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A.A continuous filter
B.Used for small scale filtration work
C.A leaf filter
D.A high pressure filter
Explanation: The correct answer is Used for small scale filtration work.
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A.Unpredictable
B.1
Explanation: The correct answer is 1.
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A.A hydrometer used for the determination of specific gravities of liquids works on the principle
B.Turbulent fluid flow is characterised by the rapid fluctuation of instantaneous pressure &
C.In case of unsteady fluid flow, the velocity at any given point does not change with time
D.Surface tension of a liquid is because of the difference in magnitude of adhesive & cohesive
Explanation: The correct answer is In case of unsteady fluid flow, the velocity at any given point does not change with time.
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A.Cast iron
B.Rubber lined steel
C.Stainless steel
D.Lead lined steel
Explanation: The correct answer is Cast iron.
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A.2SO2 + O2 ⇌ 2SO3
B.2NO2 ⇌ N2O4
C.N2 + O2 ⇌ 2NO
D.2O3 ⇌ 3O2
Explanation: The correct answer is N2 + O2 ⇌ 2NO.
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A.Catalytic dehydrogenation of ethyl benzene
B.Fermentation of starch
C.Reacting ethylene oxide with acetaldehyde
D.Dehydration of ethyl alcohol followed by hydrogenation
Explanation: The correct answer is Catalytic dehydrogenation of ethyl benzene.
Submitted by: Academy of Pakistan