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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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

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