题目内容

Whatistherelationbetweenspeedandactualdisplacementforagearpump?

Actualdisplacementincreaseswithrotorspeeddown
B. Actualdisplacementdecreaseswithrotorspeedup
C. Actualdisplacementisconstantanddoesnotchangewithchangeinspeed
D. Noneoftheabove

查看答案

搜索结果不匹配？点我反馈

更多问题

Whatistheadvantageofexternalgearpumps?

A. highpressureofoutput
B. smoothandquiet
C. lowcostofproduction
D. Noneoftheabove

Gearpumpsarefixeddisplacementpumps.

A. 对
B. 错

Crescentgearpumpsarevariabledisplacementpumps.

A. 对
B. 错

Somegearpumpsarevariabledisplacementpumps.

A. 对
B. 错