船舶辅助机械题库
总共有 733 条题目
船舶辅助机械题库
刷题
An internal bypass is provided on some hyd
A grease gun is generally used to lubricat
Thermostatic expansion valves can be adjus
The amount of fluid friction or internal f
The major source of chemical contaminants
If the thermal bulb of an expansion valve
Which of the listed pumps is NOT a positiv
Heavy wear in a particular area of the inn
A pressure drop through the refrigerant li
Low compressor head pressure in a refriger
Which of the problems listed would came th
The usual symptoms of cavitation in a cent
One cause of high head pressure occurring
The control mode in which the final contro
Pitting in the suction areas of a centrifu
