Kerala PSC Previous Years Question Paper & Answer
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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.
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Air refrigerator works on
A) Joule Cycle
B) Stirling Cycle
C) Otto Cycle
D) Bell-Coleman Cycle
In case of impulse steam turbine
A) Velocity increases at nozzle and reduces at moving blades
B) Velocity increases at nozzle and remain constant at moving blades
C) Velocity increases at nozzle and moving blades
)
D) Velocity reduces at nozzle and moving blades
In case of reaction steam turbine degree of reaction is the ratio of
A) heat drop at fixed blade to moving blade
B) heat drop at moving blade to fixed blade
C) heat drop at moving blade to total heat drop at moving and fixed blade
D) heat drop at fixed blade to total heat drop at moving and fixed blade
Compounding of impulse steam turbine is done to
A) Improve efficiency
B) Reduce rotor speed
C) To reduce exit losses
D) All of the above
Gas turbines work based on
A) Joule Cycle
B) Reversed Joule Cycle
C) Otto Cycle
D) Carnot Cycle
Inter cooler in gas turbine
A) Improves efficiency
B) Reduce efficiency
C) Does not change efficiency
)
D) None of the above