首 页
大学试题
CMS专题
工学
经济学
专升本
法学
教育学
历史学
更多分类
搜索
题库考试答案搜索网 > 题目详情
当前位置：
首页
>
In （） pump a closed discharge valve will not cause excessive pressure to build up.
>
题目详情
问题题干
答案解析
相关问题
热门问题
最新问题
问题详情
In （） pump a closed discharge valve will not cause excessive pressure to build up.
A、gear
B、vane
C、screw
D、centrifugal
时间：2022-01-03 01:35
关键词：
船舶辅助机械
答案解析
D
相关问题
When start a screw pump, the by pass valve should be （）.
A double suction centrifugal pump impeller has been installed in the reverse direction, and will （）.
Reducing the clearance between a valve stem and rocker arm will result in the valve （）
A common trouble with the fuel pump plunger or fuel valve spindle is （）.
A common trouble with the fuel pump plungers or fuel valve spindle is （）.
最新问题
In （） pump a closed discharge valve will not cause excessive pressure to build up.
Sanitary waste matter will .(1)pass through a screen or cutters (2)come into contact with the bacteria in a tank (3)be discharged, normally without bacteria
If the discharge valve is closed before the drive motor is stopped, which of the following types of pumps will most likely be damaged?（）
A centrifugal pump attempting to develop flow against a closed discharge valve has a/an （）.
Increasing the speed of a centrifugal pump will result in an increase in its capacity in its capacityAnother means of increasing the capacity pump is to increase the（）
The discharge rate or capacity of a centrifugal pump will vary directly as the （）.
A ruptured diaphragm in a thermostatic expansion valve will cause the valve to （）.
A cracked diaphragm in a thermostatic expansion valve will cause the valve to （）.
When a refrigeration compressor is in the ‘off’ cycle, the thermal expansion valve will（）.
A thermostatic expansion valve is properly controlling evaporator superheatAdjusting this valve to lower the superheat will result in a/an （）.
别人在看
题库考试答案搜索网 > 题目详情
题库考试答案搜索网 > 题目详情