燃油和氧气的混合物能引起爆炸。
A: A mixture of fuel and oxygen can cause an explosion.
B: A mixture of fuel and hydrogen can cause an explosion.
C: A mixture of fuel and nitrogen can cause an explosion.
A: A mixture of fuel and oxygen can cause an explosion.
B: A mixture of fuel and hydrogen can cause an explosion.
C: A mixture of fuel and nitrogen can cause an explosion.
举一反三
- Dirt in the fuel oil system of a diesel engine can cause （）.
- Air<br/>in the fuel lines of a diesel engine can cause ____. A: ignition<br/>failure B: oxygen<br/>corrosion of the fuel lines C: the<br/>pistons to seize D: blue<br/>smoke
- When does the ignition system supply the electrical spark to cause ignition of the fuel/air mixture in the combustion chamber? ( ) A: In flight B: At idle C: All of above D: At start
- 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
- Which of the following is TRUE?____. A: If there is oxygen and fuel in an enclosed tank, there must be an explosion. B: Crankcase explosion is least likely to occur, because there is no air in crankcase. C: The droplets of lubricating oil splashing around in the crankcase is usually too large to start burning. D: The oil/air concentration in crankcase is usually too rich.