As a general rule of thumb, the reservoir used in a hydraulic system should have a capacity, when at the normal level, approximately equal to __________.
• Hydraulic reservoir sizing guidelines in marine systems • Relationship between reservoir volume and system flow rate (gpm) • Why extra fluid volume is needed for cooling, deaeration, and reserve capacity
• How does having a reservoir that is only equal to the pump flow (gpm) affect temperature control and removal of air from the fluid? • If the fluid moves too quickly through the tank, what happens to cooling time and settling of contaminants and bubbles? • Why might a very large reservoir (relative to flow) be uneconomical or unnecessary on a vessel?
• Compare each choice to typical rules of thumb like ‘multiple of pump flow (gpm)’ used in industry texts • Eliminate any choice that would give almost no dwell time in the tank for cooling and deaeration • Eliminate any choice that would be far beyond typical practical size for shipboard hydraulic reservoirs
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