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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Overseer/ Draftsman (Mechanical) Gr I, Draftsman Gr II (Mechanical Engineering), Plant Engineer (Mechanical), Senior Driller, Purchase Assistant etc ' And exam conducted in the year 2023. And Question paper code was '065/2023'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
065/23
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Which of the following head loss is significant in a pipe flow ?
A
B
0
D
) Loss of head due to gradual contraction
) Loss of head due to friction
) Loss of head due to sudden enlargement
) Loss of head due to sudden contraction
In fluid mechanics, the continuity equation is a mathematical statement embodying
the principle of
A) Conservation of momentum B) Conservation of weight
C) Conservation of energy D) Conservation of mass
Force exerted by a jet of water impinging on a moving flat plate is
A) pa(V-u)? B) pa(V-u)
C) 0.5 pa(V-u)? D) 0.5 pa(V-u)
A series of normal flat vanes are mounted on the periphery of a wheel, the vane
speed being V. For maximum efficiency the speed of the liquid jet striking the vanes
should be
A) V/3 8) v/2
0۷ 00 ۷
The speed ratio of a Pelton wheel varies from
A) 0.6 to 0.7 B) 0.8 to 0.9
C) 0.45 to 0.5 D) It cannot be defined
Which relation is incorrect ?
A
B
0
0
) Pelton Turbine — Impulse Turbine
) Francis Turbine — Impulse Turbine
) Kaplan Turbine — Reaction Turbine
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Francis Turbine — Reaction Turbine