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Gear pumps, vane pumps, piston pumps commonly used in hydraulic systems
Displacement is the volume of oil moved or displaced during each cycle of a pump.
Variable displacement pumps have a feature which allows them to change the amount of flow. This is done by changing the angle of the swash plate
Cavitation in a pump can’t result in damage to the pump.
Variable displacement pumps can vary the volume of oil they move with each cycle, without changing the speed of the pump.
Most hydraulic pumps are rated by -_________ flow. This is usually expressed in litres per minute (l/min).
A pump is tested with a unit which consists of a ___________, a temperature gauge, a pressure gauge and a loading valve, which is a variable flow control valve.
When testing a pump there are three factors to consider, namely pump delivery, pressure and __________.
The _______ of a fixed displacement pump is in proportion to its speed
A pump is tested with a unit which consists of a __________, a temperature gauge, a pressure gauge and a loading valve, which is a variable flow control valve