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 ' Junior Instructor (Mechanic Auto Electrical and Electronics) ' And exam conducted in the year 2023. And Question paper code was '002/2023'. 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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Type of wheel desirable in racing cars is
A) Magnesium alloy wheel
C) Aluminium alloy wheel
02/23
B) Disc wheel
D) Wire wheel
When loading a vehicle, the load distribution should be
A) More at front wheels
B) More at right wheels
C) More at rear wheels
D) Equal at all wheels
In modern diesel engines pilot injection is aimed at
A) Reducing noise
C) Both A and B
B) Reducing NO, emissions
D) None of the above
In CRDI system, the maximum pressure developed by the high pressure pumps is
usually
A) 200 bar B) 1600 bar
C) 1200 bar D) 800 bar
Switching speed of piezo injector is how many times than that of a solenoid valve
A) two B) three
C) four D) five
In petrol electronic fuel injection system, the a
A) same as the required
C) less than the required
Which sensor is used to correct the air density
A) MAP sensor
C) MAT sensor
mount of fuel drawn by the fuel pump is
B) half the required
D) more than the required
variation with atmospheric temperature ?
B) BARO sensor
D) TPS sensor
Which electronic unit gives signal to control [AC valve ?
A) EDU B) ECM
C) Solenoid D) SCV
How many petrol injection systems are ther
of fuel injection ?
A) Four
C) Three
‘e, according to the duration and timing
B) Two
D) Five