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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LINEMAN GR.I' And exam conducted in the year 2023. And Question paper code was '143/2023'. 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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143/23
The wastegate is used to
A) Release the exhaust gas from muffler to tailpipe
B) Allow part of exhaust gas back to inlet manifold for more power
C) Allow part of exhaust gas to pass through compressor
D) Allow part of exhaust gas to by-pass turbine, to prevent detonation
Which engine part is made by centrifugal casting ?
A) Connecting rod B) Crankshaft
C) Cylinder liner D) Cylinder block
Which type of muffler is also known as Helmholtz muffler ?
A) Resonance type muffler
B) Absorber type muffler
C) Baffle type muffler
D) Wave cancellation type muffler
The main advantage of Exhaust Gas Recirculation is
A) Reduced emission of carbon monoxide
B) Reduced emission of carbon dioxide
C) Reduced emission of nitrogen oxide
D) Reduced emission of hydrocarbons
Which part of the jerk type FIP helps to avoid dribbling of fuel ?
A) Helix in the plunger
B) Spill port in the barrel
C) Delivery valve spring
D) Relief plunger on the delivery valve
An engine is warming up very slowly. The reason can be
A) Scale formation in the water jackets
B) Thermostat valve stuck in open position
C) Thermostat valve stuck in closed position
D) Blocked air passages of the radiator
If a short reach spark plug is fitted into the hole for a long reach plug
A) Compression ratio will be reduced
B) Combustion chamber space is reduced
C) Engine will overheat
D) Possibility of preignition will be more