單項(xiàng)選擇題

An axial piston, variable stroke pump is used in a vessels hydraulic steering gearUnder pressure, oil continually leaks out from between the valve plate/cylinder barrel and will（）.

A.cause loss of hydraulic oil from the system
B.result in extreme damage to the pump
C.cause damage to the pump ff not continually drained from the pump casing
D.result in the system high side pressure to substantially drop off

你可能感興趣的試題

單項(xiàng)選擇題

In a flash type evaporator, all saltwater headers are vented through individual vent cocks to the（）.

A.saltwater heater shell
B.second-stage condenser
C.atmosphere
D.second-stage flash chamber

單項(xiàng)選擇題

Which of the listed characteristics of lube oil are the most important to the engineer from an operational standpoint?（）

A.Ash content, carbon residue, and gravity
B.Viscosity, acidity, and demulsibility
C.Pour point, flash, point, and precipitation number
D.Auto-ignition point, viscosity index, and film strength

无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

An axial piston, variable stroke pump is used in a vessels hydraulic steering gearUnder pressure, oil continually leaks out from between the valve plate/cylinder barrel and will（）.

你可能感興趣的試題

In a flash type evaporator, all saltwater headers are vented through individual vent cocks to the（）.

Which of the listed characteristics of lube oil are the most important to the engineer from an operational standpoint?（）