37. ___
A: A fuel that bums cleanly.
B: An oil additive that helps cool engines.
C: A material from which filters are made.
D: An insulating material sprayed on engine parts.
A: A fuel that bums cleanly.
B: An oil additive that helps cool engines.
C: A material from which filters are made.
D: An insulating material sprayed on engine parts.
举一反三
- According to the fuel en engine burns, there are gasoline engines and _________ engines.
- The material ______ the apparatus is made is a good nonconductor of heat. A: with which B: of which C: from what D: with what
- Dirt in the fuel oil system of a diesel engine can cause （）. A: clogged filters B: poor combustion C: overloading of the diesel D: shock of fuel line
- In the majority of lubricating oil systems for internal combustion engines, the external system includes such parts as _____, _____, _____, and _____. A: engine oil B: sumps C: oil pumps D: oil coolers
- Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?（） A: Water discharging from the water outlet of the lube oil purifier B: Fuel oil discharging from the water outlet of the lube oil purifier C: Lube oil discharging from the water outlet of the lube oil purifier D: A change in the lube oil viscosity