Question 1 of 27070
Q
In order for the hydraulic pump installed in a constant flow system to maintain adequate flow, the pump suction should _________.
A
be arranged to develop a maximum vacuum of approximately 10" of mercury
B
be arranged to develop the theoretically maximum attainable vacuum
C
be provided with three to five 1/2 inch holes in the vertical, suction line to prevent pump starvation should the strainer become fouled
D
be taken directly off the reservoir bottom without regard to filters or strainers
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Question 1 / 270705eccef9cbacbc34ba4d45989
Question 1 of 270705eccef9cbacbc34ba4d45989

In order for the hydraulic pump installed in a constant flow system to maintain adequate flow, the pump suction should _________.

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Question 1 of 27070
Q

In order for the hydraulic pump installed in a constant flow system to maintain adequate flow, the pump suction should _________.

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🔍 Key Concepts

• Cavitation in hydraulic pumps and why excessive suction vacuum is harmful • The purpose of suction strainers/filters and how they protect the pump • What is meant by a constant flow hydraulic system and why steady, non-aerated fluid supply is critical

💭 Think About

• Which option best protects the pump from cavitation and damage while still ensuring a steady supply of oil? • Does any option suggest operating the pump near its theoretical limits, and is that usually considered good design practice in marine hydraulics? • Do any options introduce air into the suction line or bypass filtration in a way that could harm the pump or system components?

✅ Before You Answer

• Verify which option keeps suction vacuum within a safe, moderate limit, not at a theoretical maximum • Check which arrangements avoid introducing air into the suction line and do not bypass filtration • Confirm which choice aligns with good practice: short, flooded suction, low suction lift, and proper filtration/straining before the pump