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 ' Mechanic - Kerala Agro Machinery Corporation Ltd ' And exam conducted in the year 2022. And Question paper code was '066/2022'. 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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A
In emission control technique EGR system controls which emission ?
(^) Nitrous oxide
(C) Hydrocarbon
(B) Carbon monoxide
(D) All of these
The measurement of fuel delivered by each plunger with the control rod in a fixed
position and its comparison is called
(A) Metering
(0) Phasing
(B) Calibration
(D) Governing
The opening pressure of hole type nozzles varies from
(A) 5-10MPa
(C) 17-34 MPa
(B) 13-26 MPa
(D) 23-46 MPa
Which type nozzle has an advantage of preventing deposit of carbon in the spray hole ?
(^) Single hole type
(C) Long stem nozzle
engine ?
(A) 2000 Kg/em?
(0) 1200 Kg/em?
(A) Injection lag
(C) Delay period
How many fuel chambers are in HEUI ?
(A) One
(C) Three
(B) Multi hole type
(D) Pintle type
How much maximum pressure is developed by high pressure diesel pump in CRDI
(B) 1600 ला
(D) 700 Kg/em?
11 8 diesel engine the duration between the time of injection and time of ignition is called
(B) Ignition lag
(D) Period of injection
(B) Two
(D) Four
Which type of exhaust emission control requires Diesel exhaust fluid ?
(A) EGR
(C) DPF
(B) EVAP
(D) SCR
How do we achieve near zero emission diesel engines ?
(A) Combo of PCV and EGR
(B) Combo of EGR and SCR
(C) Combo of PCV and 3 way catalytic converter
(D) Combo of DPF and EGR
In three way catalytic converter which acts as reduction catalyst for NOx reduction ?
(^) Palladium
(൭ Rhodium
(D) Cerium
(B) Platinum
0966/2022
[P.T.O.]