MCA SV Auxiliary Equipment Part 2 Practice Questions - MCA Small Vessel Engineering - Auxiliary Equipment Part 2 (SQA Written Examination 059-02) Exam - MCA SV Auxiliary Equipment Part 2 Practice Questions - MCA Small Vessel Engineering - Auxiliary Equipment Part 2 (SQA Written Examination 059-02) Exam

Question 1

What is the primary advantage of a variable-delivery hydraulic pump compared with a fixed-displacement pump of the same maximum flow rating?

It can only run at one fixed shaft speed Flow (and often power draw) can be matched to demand without continuous throttling losses It cannot be used in closed-loop circuits It eliminates the need for pressure relief protection

Correct Answer:

Flow (and often power draw) can be matched to demand without continuous throttling losses

Question 2

In an axial-piston swash-plate pump, which component primarily sets the geometric displacement per revolution?

The case drain orifice diameter alone The angle of the swash plate relative to the drive shaft axis The suction strainer mesh size The colour of the hydraulic fluid

Correct Answer:

The angle of the swash plate relative to the drive shaft axis

Question 3

When a swash-plate pump is set to zero displacement (zero swash angle), what is the expected ideal theoretical delivery?

Maximum rated flow Approximately zero flow (no geometric stroke) Full reverse flow only Exactly half of maximum flow

Correct Answer:

Approximately zero flow (no geometric stroke)

Question 4

Why do variable-delivery pumps on deck machinery often include a case-drain (leakage) return line to tank?

To feed fuel to the main engine Internal leakage and cooling/flush flow from the rotating group must return to tank without pressurising the case To replace the main pressure relief valve To keep the suction strainer dry

Correct Answer:

Internal leakage and cooling/flush flow from the rotating group must return to tank without pressurising the case

Question 5

Compared with a fixed pump plus continuous relief dumping, how does a pressure-compensated variable pump typically respond once system pressure reaches the compensator setting?

It increases displacement to force more flow over the relief It destrokes (reduces displacement) so only leakage/make-up flow is delivered at high pressure It opens the suction to atmosphere It reverses rotation automatically

Correct Answer:

It destrokes (reduces displacement) so only leakage/make-up flow is delivered at high pressure

Exam overview

About this Exam

Prepare with the MCA SV Auxiliary Equipment Part 2 Practice Questions - MCA Small Vessel Engineering - Auxiliary Equipment Part 2 (SQA Written Examination 059-02) Exam practice quiz. This question bank includes 100 questions covering pump, refrigeration, hydraulic, constant-pressure, and compressor. 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 Auxiliary Equipment Part 2 Practice Questions - MCA Small Vessel Engineering - Auxiliary Equipment Part 2 (SQA Written Examination 059-02) Exam

This practice set contains 100 questions from the matching question bank and focuses on pump, refrigeration, hydraulic, constant-pressure, and compressor. 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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MCA SV Auxiliary Equipment Part 2 Practice Questions - MCA Small Vessel Engineering - Auxiliary Equipment Part 2 (SQA Written Examination 059-02) Exam

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