举一反三
- The pH value of water in a diesel engine closed cooling water system should be maintained between （）.
- The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and （）.
- The highest pressure in any closed diesel engine freshwater cooling system is at the （）.
- 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.
- 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
The most serious effect of air trapped in a diesel engine jacket water cooling system is that it（）.
- 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
Which of the following problems can cause fluctuating pressures in the closed cooling system of a main propulsion diesel engine?（）
- 3
Which of the following accurately describes the meaning of redundant cooling？（） A: The source of cooling to a RAID system B: The cooling system in a redundant power supply C: A cooling system that can be installed in case of failure D: A second cooling system in case of a failure
- 4
（） allows for expansion and water make up in the water cooling system.