题目内容
（请给出正确答案）
If fuel is burned from only the starboard tanks, the ship will _____.
A.go down by the head
B.list to starboard
C.trim by the stem
D.list to port
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更多“If fuel is burned from only th…”相关的问题
A.specific volume
B.density
C.viscosity
D.calorific value
A.the burning of the fuel; medium shaft
B.fuel spray; fresh air
C.fuel; fuel spray
D.the burning of the fuel; the burned gas mixture
When fuel is injected late into a diesel engine cylinder_______.
A.the exhaust will be clear
B.fuel consumption will be low
C.all the fuel will be burned at top dead center
D.fuel consumption will be high
A.fuel droplets will burn as they leave the fuel injector
B.fuel will not be properly atomized in the cylinder
C.maximum expansion of the burned fuel cannot take place in the cylinder
D.compression pressure will be too low to cause fuel ignition
A.fuel spray; the burning of the fuel
B.the burned gas mixture; connecting rod
C.medium shaft; crankshaft
D.the burned gas mixture; piston rod
A.the type of coolant
B.the design of the engine
C.the type of fuel to be burned
D.B and C
A disadvantage of a four-stroke/cycle diesel engine is ________.
A.higher working temperature of piston and cylinder
B.the use of scavenge ports
C.fewer power strokes per revolution of the crankshaft
D.part of the fuel is burned as the piston is moving away from top dead center
The British government wants the use of aviation fuel covered by international agreement on the environment. The difficulty for any individual government is that taxing fuel used at its own airports might push airlines to move their operations to competing airports in other countries.
Why the aviation fuel is more harmful to the environment than others？
A．Because of the poisonous quality.
B．It has to do with the position of the pollution.
C．The aviation fuel is special.
D．There is too much dirt in its resulting smoke.
Directions: In this section, you will hear several news items. Listen to them carefully and then answer the questions that follow.
听力原文： (25) Falling ticket prices and rising incomes are leading to rapid 19'owth in global air travel. According to the British government, the number of British air passengers, for example, will more than double in the next quarter of a century. Increases of such an order would mean much more aviation fuel being burned and aviation fuel may be more harmful to the environment than other fuels because the resulting smoke is emitted at high altitudes.
Why is there rapid growth in global air travel in the UK？
A．The aviation fuel is less harmful to the environment.
B．The aviation fuel is cheaper and safer than other fuels.
C．The ticket prices are getting low and people's incomes are rising.
D．The number of British traveling places is more than double in the next quarter of a century.
SECTION C NEWS BROADCAST
Directions: In this section, you will hear several news items. Listen to them carefully and then answer the questions that follow.
听力原文： (25) Falling ticket prices and rising incomes are leading to rapid 19'owth in global air travel. According to the British government, the number of British air passengers, for example, will more than double in the next quarter of a century. Increases of such an order would mean much more aviation fuel being burned and aviation fuel may be more harmful to the environment than other fuels because the resulting smoke is emitted at high altitudes.
Why is there rapid growth in global air travel in the UK？
A．The aviation fuel is less harmful to the environment.
B．The aviation fuel is cheaper and safer than other fuels.
C．The ticket prices are getting low and people's incomes are rising.
D．The number of British traveling places is more than double in the next quarter of a century.
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