题目内容

试述量测的主要内容及其测试手段。

查看答案
更多问题

Whichofthefollowingisagaschargedaccumulator?

A. bladdertype
B. springloadedaccumulator
C. weightedaccumulator
D. alloftheabove

Whichofthefollowinggasisusedingaschargedaccumulator?

A. N2
B. O2
CO2
D. alloftheabove

Whentheaccumulatorreacheditssettingpressure,thepumpflowwill:

A. bereducedtozero
B. gobacktotankthroughtheaccumulator
C. gobacktotankthroughthereliefvalve
D. noneoftheabove

Leakageinahydraulicsystemcanbecompensatedby

A. flowcontrolvalve
B. pilotoperatedcheckvalve
C. accumulator
D. alloftheabove

答案查题题库