Chemical Engineering MCQs

6108 MCQs  (Page 50 of 611)

Attempt Chemical Engineering Quiz
______________________ iron is produced by the annealing of white cast iron?
A. Malleable
B. Nodular
C. Ductile
D. Grey
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While the bin cards are used in the effective stores management, the queuing theory is associated with the _______________ time ?
A. Waiting
B. Idle
C. Inspection
D. Tool replacement
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Baffles provided on the shell side of a shell and tube heat exchanger are meant for _____________________?
A. Providing support for the tubes
B. Improving heat transfer
C. Both a & b
D. Preventing the fouling of tubes & stagnation of shell side fluid
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Which of the following alloying elements is present in maximum percentage in high speed steel ?
A. Molybdenum
B. Chromium
C. Tungsten
D. Vanadium
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The main constituent of bones is ______________________?
A. Caf2
B. Ca3(po4)2
C. Caco3
D. Cacl2
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When an isolated thermodynamic system executes a process ___________________?
A. Work is done
B. Heat transfer takes place
C. Mass flow occurs across the boundary of the system
D. No chemical reaction takes place within the system
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A material is capable of resisting softening at high temperature, because of its property termed as____________________?
A. Hot temper
B. Hot hardness
C. Fatigue
D. Creep
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Which of the following heat treatment processes is usually applied to castings ?
A. Tempering
B. Annealing
C. Normalising
D. Carburising
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Atomic _________________ of an element is a whole number ?
A. Weight
B. Number
C. Volume
D. Radius
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Strain hardening effect in metals subjected to cold working is due to the _______________ mechanism?
A. Slip
B. Fracture
C. Winning
D. Dislocation
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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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