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 'DREDGER CLEANER IRRIGATION DEPT ENGLISH ' And exam conducted in the year 2020. And Question paper code was '005/2020'. 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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In compression ignition engines the particulates are caused by
(ಹ) lack of turbulence (B) lack of oxygen
(0 burning of lubricating oil (D) all of these
Lubrication and operation of fuel system components are done by natural lubricating
properties of diesel fuel. It is improved by
(ಹ) lead (B) sulphur
(C) nitrogen (D) hydrocarbons
To reduce NOx emissions that contribute to air pollution is provided.
(^) PCVvalve (B) EGR valve
(C) DPF (D) EVAP
The nozzle having an auxiliary spray hole for easy starting under cold condition.
(ക) pintle type (B) delay type
(C) multihole type (D) pintaux type
The number of diodes used in an alternator 18
(A) one (9) two
(C) three യു അ
Which part in an alternator protect battery from discharging ?
(ಹ) regulator (B) rectifier diode
(0 slipring (D) णण
The engine crankshaft must be rotated at a speed of minimum r.p.m to start the
engine.
(A) 100 (೫) 400
(೧ 1200 യ) 3000
A typical ratio between the flywheel ring gear and the starter pinion is
(है) 100:1 © 1
© 1 യ) 1
Specific gravity of the fully charged lead acid battery is
(^) 0 © 1
(©) 120 (೧) 128
ட 1 005220
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