举一反三
- There is （） in any water cooling system for a diesel engine allowing for expansion and water make-up in the system as well as air vent and chemicals addition.
- In the closed cooling system， the water （）.
- The pH value of water in a diesel engine closed cooling water system should be maintained between （）.
- The cylinder jacket cooling water after leaving_______passes to the jacket water cooler and[br][/br]then into the jacket water circulating pumps. A: the jacket water coole B: the expansion tank C: the heat exchange D: the engine
- Temperature control valves installed in the jacket cooling water system of a diesel engine modulates the rate of water flow through the （）.
内容
- 0
In a refrigeration system, if the cooling water to the condenser fails, the（）. A: box temperature solenoid valve will close B: expansion valve will close C: compressor will shutdown D: king valve will ope
- 1
The first step of starting a cold ship is . A: Start emergency generator B: Starting cooling water system C: Start the compressed air system D: Start the daily fresh water system
- 2
The most serious effect of air trapped in a diesel engine jacket water cooling system is that it（）.
- 3
A three-way thermostatic control valve regulates the diesel engine cooling water temperature by passing a portion of the water _____. A: around the engine B: around the coole C: to the expansion tank D: overboard
- 4
The oil pump, oil filter and oil pan, make up the _____of the engine. A: ignition system B: fuel system C: lubricating system D: cooling system