题目内容

Displacementofaxialpistonpumpsarecontrolledby

A. valveplate
B. swashplate
C. eccentricityoftherotor
D. noneoftheabove

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Angleofswashplateinaxialpistonpumpcanbeadjusted

A. manually
B. hydraulically
C. bothA.andB.
D. noneoftheabove

Foraxialpistonpumps,whentheangleofswashplatedecreases,

A. outputpressureincreases
B. flowrateincreases
C. flowratedecreases
D. nothinghappens

Foraxialpistonpumps,whentheangleofswashplateiszero,

A. therewill be noflowrate
B. flowrateismaximum
C. flowrateisminimum
D. noneoftheabove

A bentaxispistonpumphas

A. abentpumpaxis
B. abentcylinderaxis
C. abentdriveshaft
D. cylinderblockinclinedtothedriveshaft