Diesel engines are started by supplying （） into the cylinders in the appropriate sequence for the required direction.
C
举一反三
- Diesel engines are started by supplying into the cylinders in the appropriate sequence for the required direction. A.cooling water B.compressing air C.compressed air D.cylinder oil
- Some diesel engines are fitted with a thermometer in the cooling water outlet from each cylinderIf the cooling water temperature from all cylinders begins to rise above normal, you should suspect （） A: increase blow-by in all cylinders B: incomplete combustion in all cylinder C: overloading in all cylinders D: insufficient fuel delivery to all cylinder
- Successful combustion inside the cylinders of a diesel engine is dependent upon （）.
- According to the fuel an engine burns, there are ________. A: reciprocating and rotary engines B: gasoline and diesel engines C: 4-cylinder and 6-cylinder engines D: inline and boxer engines
- Passages are drilled in the crankshafts of diesel engines to provide lubricating oil to the （）.
内容
- 0
The crankcases of many diesel engines are kept under a slight vacuum to （）
- 1
Fuels of high quality with their earlier ignitions will cause higher （）pressure in cylinders of a diesel engine.
- 2
These engines ______ by hand, now they ______ by electricity. A: used to be started; are started B: used to start; are started C: used to be started; start D: used to start; start
- 3
In diesel engines， the four basic events (intake， compression， power and exhaust) are performed once in （）.
- 4
At least （） cylinders in four-stroke engine will be configured to ensure that the engine can be started with the crankshaft at whatever position.