更多"An axial轴向 piston pump differs from"的相关试题:
[单项选择]The delivery rate of a variable stroke axial piston hydraulic pump is controlled by varying the position of the （）.
A. slide block
B. tilting box
C. pintle
D. reaction ring
[单项选择]With reference to an axial piston pump, which one of the following statements is true?（）
A. The cylindrical barrel is coupled to the motor
B. The cylindrical barrel has an odd number of bores
C. The bores end in sockets
D. The sockets fit in the swash plate
[单项选择]If a radial piston hydraulic pump fails to deliver rated fluid volume, the cause can be （）.
A. contaminated fluid
B. pitted thrust rings
C. worn pintle bearings
D. obstructed suctions passage
[单项选择]With reference to a radial piston pump, which one of the following statements is false?（）
A. Surrounding the fixed shaft is a hollow shaft
B. This hollow shaft carries radial bores
C. Each bore is fitted with a well-lapped plunger
D. There are always even numbers of bores
[单项选择]In a radial piston pump, reversal and control of fluid flow are accomplished by moving the （）.
A. central valve
B. radial plunger
C. floating ring
D. cylinder body
[单项选择]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
[单项选择]The reciprocating pump can’t draw water from a tank may be caused by （）.
A. leaky pipe
B. opened inlet valve
C. too much water in tank
D. None of the above
[单项选择]Through a （） pump, the liquid is transferred from the suction to the discharge by the mechanical variation of the volume of a chamber or chambers.
A. positive displacement
B. ejector
C. centrifugal
D. air compressor
[单项选择]Under rotary pumps are the gear, （）, cam-and-piston and screw types.
A. reciprocating
B. diffuser
C. turbine
D. vane
[判断题]旋动柱镜轴向手轮时可见视孔缘的柱镜轴向游标发生联动，两游标指向的轴向刻度不一致。
[单项选择]Which pump is the self-priming pump?（）
A. turbine
B. centrifugal
C. ejector
D. mixed flow
[判断题]多级汽轮机总的轴向推力等于各级轴向推力之和。
[单项选择]The （）pump is usually used as the bilge feed pump to an oily water separator.
A. turbine
B. screw
C. vane
D. ejector
[简答题]什么叫离心泵的轴向推力，轴向推力是如何产生的？
[填空题]汽轮机装有轴向位移保护装置。其作用是：当轴向位移增大到某一数值时，首先（）信号提醒值班人员。当轴向位移达到危险值时，轴向位移保护装置动作（）运行。
