Question 1
In a four-stroke diesel engine used in construction plant, which stroke immediately precedes the power (expansion) stroke?
Correct Answer:
Compression stroke
Question 2
Diesel engines fitted to construction plant ignite their fuel by which means?
Correct Answer:
Heat generated by compressing the air charge
Question 3
A typical compression ratio for a modern direct-injection diesel engine in heavy plant falls within which range?
Correct Answer:
14:1 to 22:1
Question 4
In a common-rail diesel injection system, what controls the start and duration of each injection event?
Correct Answer:
The electronically controlled injector solenoid or piezo actuator
Question 5
What is the primary purpose of a turbocharger fitted to a construction plant diesel engine?
Correct Answer:
To force more air into the cylinders to burn more fuel and raise power
Question 1
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About this Exam

Prepare with the Construction Plant Fitting Practice Questions - SOLAS Construction Plant Fitting Apprenticeship (NFQ Level 6) Exam practice quiz. This question bank includes 100 questions covering plant, diesel, engine, hydraulic, and cylinder. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Construction Plant Fitting Practice Questions - SOLAS Construction Plant Fitting Apprenticeship (NFQ Level 6) Exam

This practice set contains 100 questions from the matching question bank and focuses on plant, diesel, engine, hydraulic, and cylinder. 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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