Because the circulating water is in a closed loop,_______is installed to cater for expansion and contraction of the water at different conditions of operation. A.an expansion joint B.a drain tank C.a head tank D.a contraction tank
正确答案：C
举一反三
- 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
- The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and （）.
- 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
- Expansion tank (see Fig.3-13) is used to fill the coolant．
- Which of the following statements describes the function of an expansion tank in a diesel engine cooling system?（）
内容
- 0
The amount of lubricating oil in the drain tank should be checked by （）.
- 1
For large two-stroke diesel engine, the lubricating oil required for cross head bearing lubrication comes from the_____. A: settling tank B: lubricating oil circulation tank C: Wet sump D: Daily service tank
- 2
The lubricating oil is pumped from the drain tank， very often with （） in the suction line.
- 3
The cause of the death of the goldfish was most probably（） A: lack of care B: old age C: the small fish tank D: lack of water
- 4
(4) With only a 5000-gallon water tank, it didn't take them long to understand that we had to use less water.