Physics · Hydraulic Pumps
What are the three main components of an internal gear pump?
- 1A cam, a roller, and a spring
- 2A drive shaft, a casing, and an impeller
- 3A piston, a cylinder, and a connecting rod
- 4An outer rotor gear, an inner spur gear, and a crescent-shaped spacer✓
Correct answer
An outer rotor gear, an inner spur gear, and a crescent-shaped spacer
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