题目内容

Foraxialpistonpumps,whentheangleofswashplatedecreases,

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

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更多问题

Foraxialpistonpumps,whentheangleofswashplateiszero,

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

A bentaxispistonpumphas

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

Abentaxispistonpumphas

A. cylinderblockinclinedtothedriveshaft
B. abentpumpaxis
C. alloftheabove
D. noneoftheabove

Whatistheadvantageofpistonpumps?

A. smoothandquietoperation
B. highoutputpressure
C. lowcostofproduction
D. alloftheabove