Kerala PSC Previous Years Question Paper & Answer

Title : Motor Mechanic, Tradesman (Automobile Mechanic) - Health Services,
Question Code : A

Page:15


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Motor Mechanic, Tradesman (Automobile Mechanic) - Health Services,' And exam conducted in the year 2023. And Question paper code was '072/2023'. 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: 15 out of 16
Excerpt of Question Code: 072/2023

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072/23

The Diagnostic Trouble Code starting ‘U1XXX’ indicates

A) Error code related to power train and for government required code

B) Error code related to chassis and for manufacturer specific code

C) Error code related to Body and for government required code

D) Error code related to class 2 network and for manufacturer specific code

As per MV Act, the vehicle is said to be ‘Light motor vehicle’ if
A) Gross vehicle weight should be within 8000 kg

B) The unladen weight does not exceed 7500 kg

C) Gross vehicle weight should be within 7000 kg

D) The laden weight does not exceed 8500 kg

Choose the correct method of measuring ‘overall length’ of a vehicle.

i. Measurement between extreme projection planes of the vehicle including any
spare wheel or spare wheel bracket fitted to the vehicle.

ii. Measurement between extreme projection planes of the vehicle excluding any
fire-escape fixed to a vehicle.

A) ionly B) ii only
C) Both i and ii D) None of the above i, ii

In EFI, the idle speed of engine is controlled by ECU with the actuation of
A) IAT sensor B) Fuel injectors C) IAC valve D) Throttle valve

Function of Inertia sensor

A) Shutt off the fuel pump in the event of an accident

B) Maintain the engine RPM when vehicle not moving

C) Allow additional air to bypass the throttle plate during cold start

D) To maintain the pressure in the fuel rail at a minimum constant value

At low engine speed in Variable Length Intake Manifold system, air flow redirected to
A) Shorter but larger sectional area path

B) Longer path with limited cross sectional area

C) Longer path with large sectional area

D) Shorter path with very narrow cross sectional area

Lambda sensor produce greater voltage if
A) More oxygen in exhaust B) More CO in exhaust
C) Less oxygen in exhaust D) None of the above

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