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 'Lecturer in Mechanical Engineering ' And exam conducted in the year 2023. And Question paper code was '129/2023'. 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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Which of the following is NOT a method to determine the friction power of an engine?
(^) Willan’s line (B)_ Wilson line
(C) Motoring test () Morse test
The purpose of ignition coil in an automobile ignition system is to:
(A) | step up the voltage in a spark plug
(B) _ step down the voltage in a spark plug
(C) step up the voltage in a diesel injector
(D) step down the voltage in a diesel injector
For thermosyphon cooling, radiator should be placed :
(A) same level as that of the engine
(B) _ below the engine
(C) above the engine
(D) allof these
Which one of the following heat exchangers gives parallel straight line pattern of
temperature distribution for both hot and cold fluid?
(A) _ parallel flow with unequal heat capacities
൯) parallel flow with equal heat capacities
(C) counter flow with unequal heat capacities
(D) counter flow with equal heat capacities
The temperature distribution for a plane wall, for steady state heat flow and constant value
of thermal conductivity is :
(A) logarithmic ൯) linear
(0 parabolic (D) cubic
Prandtl number value greater than one indicates that hydrodynamic boundary layer is :
(A) _ greater than thermal boundary layer thickness
(B) less than thermal boundary layer thickness
(C) equal to thermal boundary layer thickness
(D) independent of thermal boundary layer thickness
17 129/2023
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