MCA SV Marine Diesel Engineering Practice Questions - MCA Small Vessel Engineering - Marine Diesel Engineering (SQA Written Examination 060-01) Exam - MCA SV Marine Diesel Engineering Practice Questions - MCA Small Vessel Engineering - Marine Diesel Engineering (SQA Written Examination 060-01) Exam

Question 1

What primarily ignites the fuel charge in a compression-ignition (diesel) engine?

A high-voltage spark across a spark plug gap at the end of compression The heat of highly compressed air in the cylinder when fuel is injected A continuous pilot flame maintained in a pre-chamber Catalytic oxidation on a platinum coating of the piston crown

Correct Answer:

The heat of highly compressed air in the cylinder when fuel is injected

Question 2

How many crankshaft revolutions are required for one complete four-stroke diesel cycle in a given cylinder?

One revolution (360°) One-and-a-half revolutions (540°) Two revolutions (720°) Four revolutions (1440°)

Correct Answer:

Two revolutions (720°)

Question 3

During which stroke of a four-stroke diesel is the inlet valve normally open for most of the stroke?

Compression stroke Power (expansion) stroke Exhaust stroke Induction (intake) stroke

Correct Answer:

Induction (intake) stroke

Question 4

Valve overlap on a four-stroke diesel is the period when:

Both inlet and exhaust valves are closed near bottom dead centre Both inlet and exhaust valves are open around top dead centre between exhaust and induction Only the exhaust valve is open during the power stroke The fuel injector and safety valve open together

Correct Answer:

Both inlet and exhaust valves are open around top dead centre between exhaust and induction

Question 5

On a typical four-stroke diesel timing diagram, fuel injection normally begins:

Shortly after bottom dead centre on the induction stroke A few degrees before top dead centre on the compression stroke At mid-stroke on the power stroke only Exactly at bottom dead centre on the exhaust stroke

Correct Answer:

A few degrees before top dead centre on the compression stroke

Question 1

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About this Exam

Prepare with the MCA SV Marine Diesel Engineering Practice Questions - MCA Small Vessel Engineering - Marine Diesel Engineering (SQA Written Examination 060-01) Exam practice quiz. This question bank includes 100 questions covering fuel, diesel, engine, four-stroke, and governor. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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MCA SV Marine Diesel Engineering Practice Questions - MCA Small Vessel Engineering - Marine Diesel Engineering (SQA Written Examination 060-01) Exam

This practice set contains 100 questions from the matching question bank and focuses on fuel, diesel, engine, four-stroke, and governor. 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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About this Exam

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MCA SV Marine Diesel Engineering Practice Questions - MCA Small Vessel Engineering - Marine Diesel Engineering (SQA Written Examination 060-01) Exam

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