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 'Motor Mechanic/ Store Assistant' And exam conducted in the year 2023. And Question paper code was '218/2023'. 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 one of the following statement is not true in pump circulating system ?
A) The rate of flow of water is directly proportional to the engine speed
B) The waterpump inlet is connected to the radiator outlet
C) The water jackets are in cylinder block and head
D) The fan belt is connected by camshaft, waterpump and alternator
The heat transfer from coolant to air in radiator of an automobile engine takes
place
A) Conduction B) Convection
C) Radiation D) Both A) and B)
Backlash between the oil pump gears is measured by
A) Screw pitch gauge B) Screw gauge
C) Feeler gauge D) Dial gauge
In the bellows type thermostat, the metallic bellows filled with
A) Ethyl B) Methyl C) Butane D) Propane
The thermostat valve starts to open at about
A) 30-40°C B) 50-60°C
C) 70-80°C D) 90 - 100°C
Which one of the following is an example of engine oil ?
A) SAE 30 B) SAE 60 C) SAE 90 D) SAE 140
In rotor type oil pump the inner rotor has
A) 3 Lobes B) 4 Lobes
C) 5 Lobes D) None of the above
When by pass re-circulation is done by the cooling system
A) Engine overheat B) Thermostat valve open
C) Thermostat valve closed D) All of the above
The oil pressure relief valve is fitted to the
A) Inlet of oil pump B) Outlet of the oil pump
C) Inlet of oil filter D) Outlet of the oil filter