A water jacket is placed around the exhaust manifolds of propulsion diesel engines to（）
1、If the jacket water temperature rises
If the jacket water temperature rises rapidly above normal in a diesel engine, you should FIRST （）Aplace standby cooler in operationBreduce engine loadCcheck thermostatic valveDclean sea water strainer
2、When the dock is refilled with water a
When the dock is refilled with water after docking repair, the first work which should be done by engineers is （）Aigniting boilerBreleasing air in sea water systemCstarting generatorDcut off shore power
3、If water is rising in the bilge of a l
If water is rising in the bilge of a lifeboat，you should FIRST（）.Aabandon the survival craftBcheck for cracks in the hullCshift all personnel to the sternDcheck the bilge drain plug
4、When a boiler is operating, the water
When a boiler is operating, the water level in the gauge glass reads （） when the boiler is shut down.Alower thanBhigher thanCas much asDthe same a
5、In a diesel engine jacket water cooler
In a diesel engine jacket water cooler, with seawater cooling the fresh water, the（）Asea water temperature must never be warmer than 40℃Bjack...
6、About the jacket water, that of the au
About the jacket water, that of the auxiliary engines usually（） is circulated by pumps, and the main engine usually （）Aan engine-driven；as ...