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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LABORATORY TECHNICAL ASSISTANT MAINTENANCE AND OPERATION OF MARINE ENGINES VHSE' And exam conducted in the year 2015. And Question paper code was '016/2015'. 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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The coolant used in CI engine cooling system should be :
(A) Acidic (8) Neutral
(C) Alkaline (D) Scale forming
The thermostatic valve in the cooling system 18 1560 10 :
(வி Maintain the engine in the maximum efficient temperature
(18) To cool the engine
(0 To control the engine speed
(D) To by pass the cooling water
Most suitable cooling system for a marine engine is :
(A) Air cooling system
(B) 0il cooling system
(0) Direct sea water cooling system
(D) Indirect sea water cooling system
An intercooler 18 :
(4) To cool the engine body
(B) To reduce the temperature of suction air
)© To 0001 the cooling water
(D) To cool the cabin
Muffler is used in the exhaust system for :
(ക) connecting exhaust manifold and exhaust gas piping
(B) filtering out heavy particles
(09 the reduetion of harmful emissions
(D) reducing the noise
The colour of the exhaust is black. Then the engine is :
(ക Having perfect combustion
(8) Having lubricating oil leaking to combustion chamber
(C) Having incomplete combustion
(D) Having cooling water leakage into the combustion chamber
The component that 18 designed to maintain a constant engine speed irrespective of load
variation :
(കു Fuel injection pump (8) Governor
(C) Fuel injector (D) Safety valve
16/2015
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