Kerala PSC Previous Years Question Paper & Answer

Title : Mechanic
Question Code :


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Mechanic' And exam conducted in the year 2023. And Question paper code was '003/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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: 3 out of 11
Excerpt of Question Code: 003/2023/OL

D:-Cam shaft
Correct Answer:- Option-B
Question19:-A dish in the piston head is employed to
A:-Decrease piston weight
B:-Provide valve clearance
C:-Adjust piston displacement
D:-Control compression ratio
Correct Answer:- Option-D
Question20:-Which tool is used for removing the piston rings from a piston?
A:-Piston ring expander
ston ring compressor
C:-Piston ring lifter
D:-Piston ring squeezer
Correct Answer:- Option-A
Question21:-Valve overlap is the number of degrees of crankshaft rotation during which
A:-the values are moving from fully closed to the timing point
B:-both intake and exhaust valves are closed
C:-both intake and exhaust valves are open
D:-the valve float
Correct Answer:- Option-C
Question22:-What is the effect if thermostat valve is stuck in closed position?
A:-Engine gets over cooling
B:-Engine gets over heating
C:-Engine does not start
D:-Engine does not stop
Correct Answer:- Option-B
Question23:-What is the reason if oil pump does not suck the oil?
A:-Filter clogged
B:-Relief valve struck
:-More backlash
D:-Less radial clearance
Correct Answer:- Option-C

Question24:-Percentage of fuel energy lost to the cylinder walls in an automobile
engine is approximately

A:-1 percent
B:-10 percent
C:-80 percent
D:-25 percent
Correct Answer:- Option-D
Question25:-The impeller type exhauster has
A:-One spindle
B:-Two spindle
C:-Three spindle
D:-No spindle
Correct Answer:-Question Cancelled
Question26:-Which are the materials commonly used in the catalytic converter?
A:-Chromium and vanadium
B:-Zinc and molybdenum
C:-Asbestos and ceramics
D:-Palladium and platinum
Correct Answer:- Option-D
Question27:-The basic difference between the supercharger and the turbocharger is in
A:-the way they are driven
B:-the size of the unit
C:-the number of waste gates
D:-the pressure they produce
Correct Answer:- Option-A
Question28:-The fuel injection timing in a distributor type pump is controlled by
A:-changing plunger stroke

Similar Question Papers

Ask Question

(Press Ctrl+g to toggle between English and the chosen language)

Questions & Answers

Mechanic : Video