Kerala PSC Previous Years Question Paper & Answer

Title : Pump Operator
Question Code : A


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Pump Operator' And exam conducted in the year 2023. And Question paper code was '019/2023'. 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.

page: 14 out of 16
Excerpt of Question Code: 019/2023











In a Diesel fuel injection pump, the effective pressure strokes of the plungers are
regulated by means of a
A) Fuel pump B) Cam shaft C) Needle valve D) Control rack

Which action the spindle only move up and down in feed pump ?
A) Partial action B) Idling action

C) Normal action D) Pumping action

Cetane number of a Diesel fuel is measure of

A) Volatility B) Viscosity C) Ignition quality D) Specific gravity
Which governor has fitted the control rack with diaphragm ?

A) Mechanical governor B) Pneumatic governor

C) Servo governor D) Centrifugal governor

The combustion process in a Diesel cycle happens at
A) Constant pressure B) Constant volume
C) Constant temperature D) Constant entropy

What is the purpose of baffles in the fuel tank ?
A) To strengthen the fuel tank

B) To make chambers in the fuel tank

C) To make square and lengthy fuel tank

D) To minimize the slushing of fuel in the tank

Which meter indicates the distance travelled by a vehicle ?
A) Ampere meter B) Tachometer C) Odometer D) Speedometer

Limp In mode is in
A) Parking brake B) Engine check light
C) Gear shift indicator D) Transmission system

What is the function of solenoid switch in starting system ?

A) Open and close the circuit between primary and secondary
B) Step down voltage from primary to secondary winding

C) Close the contact between battery and starting motor

D) Shift the lever to engage the plunger


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