[A]. depends
[B]. does not depend
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✅ The correct answer is option A.
Mechanical Engineering MCQs
In an impulse turbine, the jet of water impinges on the bucket with a low velocity and after flowing over the vanes, leaves with a high velocity.
[A]. True
[B]. False
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✅ The correct answer is option B.
U233 is produced
[A]. artificially
[B]. as basic raw material
[C]. when thorium is irradiated by neutrons
[D]. by fission of U238
✅ The correct answer is option C.
The temperature of ammonia after compression in a vapour compression system is
[A]. 20 to 50° C
[B]. 50 to 70° C
[C]. 70 to 110° C
[D]. none of these
✅ The correct answer is option C.
The procedure of modifying work content to give more meaning and enjoyment to the job by involving employees in planning, organisation and control of their work, is termed as
[A]. job enlargement
[B]. job enrichment
[C]. job rotation
[D]. job evaluation
✅ The correct answer is option B.
The property of a material due to which it breaks with little permanent distortion, is called
[A]. brittleness
[B]. ductility
[C]. malleability
[D]. plasticity
✅ The correct answer is option A.
When a bar is cooled to – 5°C, it will develop
[A]. no stress
[B]. shear stress
[C]. tensile stress
[D]. compressive stress
✅ The correct answer is option C.
The number of slots in a 25 mm castle nut is
[A]. 2
[B]. 4
[C]. 6
[D]. 8
✅ The correct answer is option C.
When cut-off ratio is __________ the efficiency of Diesel cycle approaches to Otto cycle efficiency.
[A]. zero
[B]. 1/5
[C]. 4/5
[D]. 1
✅ The correct answer is option A.
A fixture does not guide the tool.
[A]. Correct
[B]. Incorrect
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✅ The correct answer is option A.