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 'Training Officer' And exam conducted in the year 2023. And Question paper code was '053/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
Correct Answer:- Option-A
Question17:-Efficiency of the Otto cycle is a function of
A:-Temperature levels at which the cycle operates
B:-Compression ratio only
C:-Both 1 and 2
D:-None of these
Correct Answer:- Option-B
Question18:-In a thermodynamic cycle if the energy is released by combustion of
fuel party at constant volume and partly at constant pressure is
A:-Constant volume cycle
B:-Constant pressure cycle
C:-Limited pressure cycle
D:-None of these
Correct Answer:- Option-C
Question19:-Network done in a reciprocating IC engine is
A:-m.e.p x displacement volume
B:-m.e.p/displacement volume
C:-displacement volume/m.e.p
D:-none of these
Correct Answer:- Option-A
Question20:-In an IC engine mechanical efficiency is
A:-BP/IP
B:-BMEP/IMEP
C:-Brake thermal efficiency/Indicated thermal efficiency
D:-1, 2 and 3 are correct
Correct Answer:- Option-D
Question21:-In a vapour compression refrigeration system wet compression causes
i. No cylinder head damage
ii. Cylinder wear
A:-(i) is correct (ii) is wrong
B:-(i) is wrong (ii) is correct
C:-(i) and (ii) are wrong
D:-(i) and (ii) are correct
Correct Answer:- Option-B
Question22:-If the wet bulb depression is zero then
i. Ambient air is saturated and RH is 100%
ii. WBT and DBT are equal