Chemical Engineering MCQs

6108 MCQs  (Page 54 of 611)

Attempt Chemical Engineering Quiz
Photographic plates are coated with _____________________?
A. Silver nitrate
B. Silver halide
C. Calcium silicate
D. Metallic silver
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The approximate height of a blast furnace having a useful volume of 2000 m3 is about _______________ metres ?
A. 25
B. 35
C. 55
D. 75
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Probability of cavitation occuring becomes very high, when the local _______________ resulting ?
In Water bubbles formation, which on rupture cause cavitation
A. Pressure falls below the vapour pressure
B. Pressure becomes very high
C. Temperature becomes low
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In the diving apparatus, helium is used along with oxygen, because it is ____________________?
A. Easily available
B. Not soluble in blood at high pressure
C. Lighter than nitrogen
D. Completely miscible with oxygen
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Water hammer is caused in steam carrying pipelines, because of ______________________?
A. Partial condensation of steam
B. Vibration of the pipeline
C. High degree of superheat of steam
D. Its exposure to torrential rain
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A fire tube boiler is limited to a maximum steam pressure of about ______________ kg/cm2 ?
A. 6
B. 18
C. 38
D. 52
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The underground well of a bio gas plant is called the________________?
A. Septic tank
B. Oxidation well
C. Digestor
D. Lagoon
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Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process ?
A. Galvanising
B. Tinning
C. Sherardizing
D. None of these
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Lead pencil contains____________________?
A. Graphite
B. Lead sulphide
C. Lead
D. Both b. & c.
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Drossing is a _______________________ operation?
A. Smelting
B. Dressing
C. Roasting
D. Dressing
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Word of the Day
24 Jul
Untenable
(especially of a position or view) not able to be maintained or defended against attack or objection.
ناقابل مدافعت، غیر مستحکم، جو دلیل سے ثابت نہ ہو سکے

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