Chemical Engineering MCQs

6108 MCQs  (Page 44 of 611)

Attempt Chemical Engineering Quiz
Brittleness induced due to the presence of sulphur in steel can be reduced by adding______________?
A. Manganese
B. Magnesium
C. Vanadium
D. Copper
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For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?
A. Temperature – entropy
B. Temperature – pressure
C. Enthalpy – entropy
D. Enthalpy-pressure
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The hardenability of steel decreases with__________________?
A. Decrease in dislocation density
B. Increase in solutionising temperature
C. Increase in strength
D. Decrease in grain size
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Diamagnetic materials___________________?
A. Are magnetised by eddy currents only
B. Are non-magnetic and cannot be magnetised
C. Are magnetised in direction opposite to the magnetic field
D. Can be magnetised in one direction only
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What is the value of included angle of a triangular notch for maximum discharge ?
A. 30°
B. 60°
C. 90°
D. 120°
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Which of the following is a boiler accessory i.e., not a boiler mounting ?
A. Blow off cock
B. Feed check valve
C. Feed water pump
D. Stop valve
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The most important requirement for aluminium industry is the availability of cheap _______________?
A. Ore
B. Electrical power
C. Labour
D. Abundant water
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Steel containing low percentage of nickel, chromium & tungsten are termed as the _____________ steel ?
A. Wrought
B. Tool
C. Alloy
D. Plain carbon
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Materials having resistivity ranging from 1 to 100 ohm. cm is termed as___________________?
A. Conductor
B. Insulator
C. Semi-conductor
D. None of these
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Plasma is_____________________?
A. A high temperature neutral gas
B. Nothing but ionised gas
C. A source of steady and highest controllable pressure
D. Formed at very low temperature
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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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