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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Lecturer in Electronics Engineering (Govt Polytechni - Technical Education ' And exam conducted in the year 2021. And Question paper code was '004/2021'. 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.
16. Compared to a four stroke engine of same size and rpm, a two stroke engine practically
produces
(A) _ twice the power
(B) same power
(೮) _ half the power
(D) 1655 than twice and greater than same power produced by the four stroke
engine
17. ^ flywheel is used to
(A) _ increase power produced by a system
(B) decrease power fluctuations in the system
(C) decrease power produced by a system
(D) increase power fluctuations in the system
18. The functioning of a clutch can be improved by
(A) _ providing liners with better coefficient of friction.
(B) _ lubricating the contact surfaces.
(C) Both (A) and (B)
(D) None of the above
19. Function of surge tank in hydraulic power plant system is to
(A) _ store surplus water which overflows from the dam.
(B) accumulate the used water for irrigation.
(C) reduce water hammer effect and breakage of penstock during sudden open /
closure of valves.
(D) provide proper lubrication to moving parts of turbine and generators.
20. The most hazardous among power plants of same rating is
(A) Thermal power plant with diesel fuel.
(B) Thermal power plant with coal fuel.
(C) Thermal power plant using other bio fuels.
(D) Nuclear power plant.
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