Question 1
What is the primary function of the piston rings in an internal combustion engine?
Correct Answer:
To seal the combustion chamber and regulate oil consumption
Question 2
In a standard four-stroke internal combustion engine, which stroke immediately follows the compression stroke?
Correct Answer:
Power stroke
Question 3
What is the main purpose of a spark plug in a petrol engine?
Correct Answer:
To ignite the compressed air-fuel mixture
Question 4
What is the primary difference in ignition methods between petrol and diesel engines?
Correct Answer:
Petrol engines use spark ignition, while diesel engines use compression ignition
Question 5
Which engine component is responsible for controlling the opening and closing of the intake and exhaust valves?
Correct Answer:
The camshaft
Question 1
Exam overview

About this Exam

Prepare with the NAVTTC Auto Mechanic Practice Questions - NAVTTC Trade Test - Auto Mechanic Motor Vehicle Mechanic (Pakistan) Exam practice quiz. This question bank includes 100 questions covering engine, primary, function, fuel, and standard. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NAVTTC Auto Mechanic Practice Questions - NAVTTC Trade Test - Auto Mechanic Motor Vehicle Mechanic (Pakistan) Exam

This practice set contains 100 questions from the matching question bank and focuses on engine, primary, function, fuel, and standard. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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