[A]. 0.546
[B]. 0.577
[C]. 0.582
[D]. 0.601
✅ The correct answer is option C.
Mechanical Engineering MCQs
The routing function in a production system design is concerned with
[A]. manpower utilisation
[B]. quality assurance of the product
[C]. machine utilisation
[D]. optimising material flow through the plant
✅ The correct answer is option C.
Stirling and Ericsson cycles are
[A]. reversible cycles
[B]. irreversible cycles
[C]. semi-reversible cycles
[D]. quasi-static cycles
✅ The correct answer is option A.
The ferrous metals require more machining allowance than non-ferrous metals.
[A]. True
[B]. False
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✅ The correct answer is option A.
The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and recondensed, then the liquid with the next higher boiling point is then evaporated and recondensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called
[A]. cracking
[B]. carbonisation
[C]. fractional distillation
[D]. full distillation
✅ The correct answer is option C.
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is
[A]. equal to one
[B]. less than one
[C]. greater than one
[D]. none of these
✅ The correct answer is option C.
The static head of a centrifugal pump is equal to the __________ of suction head and delivery head.
[A]. product
[B]. difference
[C]. sum
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✅ The correct answer is option C.
Nimonic contains __________ percentage of nickel as that of Inconel.
[A]. same
[B]. less
[C]. more
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✅ The correct answer is option A.
In a flange coupling, the thickness of flanges is taken as one-half the diameter of shaft.
[A]. Agree
[B]. Disagree
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null
✅ The correct answer is option A.
The object of supercharging the engine is
[A]. to reduce mass ofthe engine per brake power
[B]. to reduce space occupied by the engine
[C]. to increase the power output of an engine when greater power is required
[D]. all ofthe above
✅ The correct answer is option D.