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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065/23
COP of Heat pump is
A) 0 B) 1
C) COP of refrigerator + 1 D) COP of refrigerator - 1
Carnot cycle has
A) Two reversible isotherms and two reversible adiabatic process
B) Two irreversible isotherms and two irreversible adiabatic process
C) Two reversible isochoric and two reversible adiabatic process
D) Two irreversible isochoric and two irreversible adiabatic process
Entropy of an isolated system can never
A) increase B) decrease
C) change D) none of the above
The main content of a fuel are
A) Oxygen and Hydrogen
B) Hydrogen and Sulphur
C) Oxygen and Sulphur
)
D) Carbon and Hydrogen
Bomb calorimeter is used to find
A) Lower calorific values
B) Higher calorific values
C) Specific heat
D) None of the above
If m, represents mass of dry steam and m, represents mass of water in suspension,
dryness fraction of steam is
٢و ന
A) 9 ವ್ವ
m, +m, m, +m,
©) + ഉ സന
m, ന
Super heating of steam before entering for isentropic expansion in Rankine cycle
A) Increases work done B) Increases net cycle efficiency
C) Both A) and B) D) None of the above
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