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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218/23
What is the primary purpose of a Variable Intake Manifold system in a Electronic
Fuel Injection ?
A) To enhance the volumetric efficiency
B) To increase air-fuel ratio
C) To reduce carbon deposit
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D) To eliminate carbon monoxide
It is a device which increase the pressure of the air fuel mixture from the carburettor
before it enters the engine. It is fitted in the way of intake manifold.
A) Super charger B) Turbo charger
C) Exhauster D) Governor
Which one of the device changes carbon monoxide into carbon dioxide in the exhaust
gas ?
A) EGR system B) Canister
C) Catalytic converter D) Exhauster
Which one of the emission control system that blow by gases are feed into the inlet
manifold of a running engine ?
A) EGR system B) Positive crank case ventilation
C) Catalytic converter D) Exhauster
Which material is generally used for construction of exhaust manifold of an engine ?
A) Aluminium B) Plastic
C) Aluminium alloy D) Cast iron
Which of the following statement is/are correct about SCR ?
i. SCR is to reduce harmful Nitrogen Oxides (NO,) emission from diesel engines
ர். SCR reduces NO, emission upto 90%
iii. SCR process requires diesel exhaust fluid
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Only i and ii
ಥ್ರ
Only ii and iii
Bowe
Only i and iii
0
All of the above i, ii and iii