Chemical Engineering MCQs

6108 MCQs  (Page 10 of 611)

Attempt Chemical Engineering Quiz
Out of the following, the alloy which has equal percentage of constituents, is__________________?
A. White metal
B. Gun metal
C. Duralumin
D. Constantan
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The _________________ of a double acting reciprocating pump as compared to the single acting pump will be almost double ?
A. Flow output
B. Head developed
C. Overall efficiency
D. Weight
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Which of the following is an example of cathodic protection of metals against corrosion ?
A. Painted steel
B. Galvanised iron
C. Case hardened steel
D. Lead lined reactor
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Propulsion of rocket follows from the_________________?
A. Newton’s second law of motion
B. Newton’s third law of motion
C. Law of projectiles
D. Archimedes principle
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With increase in ___________________ Knocking tendency in a spark ignition petrol engine decreases?
A. Supercharging
B. Wall temperature
C. Compression ratio
D. Engine speed
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A psychrometer does not measure the __________________ temperature of moist air?
A. Dew point
B. Dry bulb
C. Wet bulb
D. None of these
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An atom bomb works on the principle of __________________?
A. Nuclear fission
B. Nuclear fusion
C. Both the nuclear fission & fusion
D. Ionisation
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Neutrons are present in all atoms except that of ___________________?
A. He
B. C
C. H
D. Ar
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Principal alloying element in Elinvar (used for making hair springs for watches) is__________________?
A. Copper
B. Aluminium
C. Nickel
D. Zinc
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Between 230 and 370°C, blue brittleness is caused in mild steel because of the_________________?
A. Immobility of dislocation
B. Strain-ageing
C. Increase in young’s modulus
D. Strain hardening
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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