题目内容

Piston pump is generally used in _______system. ()

A. high pressure
B. medium pressure
C. low pressure
D. none of above

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What is the difference between vane pump and radial piston pump?

A. in radial piston pump, radial slots in vane pumps are replaced by radial bores which accommodate pistons
B. in radial piston pump, radial slots in vane pumps are replaced by radial bores which accommodate swash plate
C. in radial piston pump, radial slots in vane pumps are replaced by radial bores which accommodate both swash plate and pistons
D. none of the above

How many strokes does a single piston pump need to discharge oil?

A. one stroke
B. two strokes
C. three strokes
D. none of the above

In which of these pumps, swash plate is used to translate the motion of rotating shaft into reciprocating motion?

A. radial piston pumps
B. axial piston pump
C. bent axis piston pump
D. all the above

Which factors are considered while designing a axial piston pump?

A. use of swash plate
B. application in open loop or closed loop circuit
C. design of bent axis piston pump
D. all the above

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