更多"[单选题]The _______of a gas turbine is"的相关试题:
[单项选择]In an automobile engine, the vaporized fuel is mixed with air, compressed in the cylinder and by a spark.
A. blazed
B. flamed
C. ignited
D. exploded
[单选题]The _______ system works well in high wing airplanes where the fuel tanks may be positioned above the engine and the difference in height between the wing-mounted fuel tanks and the engine allows the fuel to flow under sufficient pressure to the engine.
A.fuel-pump
B.boost pump
C.fuel-injected
D.gravity-feed
[单选题]The _______ system is usually found in low-wing airplanes, where the fuel tanks may be located below the engine.
A.fuel-injected
B.boost pump
C.fuel pump
D.gravity-feed
[单选题]Fuel _______ means the quantity of fuel carried by now.
A.reminding
B.endurance
C.number
D.total
[单项选择]Who had gas-masks
A. Everybody.
B. A part of the protestors.
C. Policemen.
[单选题]The flight time from Shanghai to Chengdu for MD-82 is 2 hours, from Chengdu to alternate airport Chongqing being 25 minutes, average fuel consumption is 3000kg/h, taxiing time on the ground is 10 minutes, fuel consumption rate is 75kg/m, then the minimum takeoff fuel is _______ kg.
A.8000
B.10000
C.10250
D.7750
[单项选择]Although the fuel consumption is greater in the northern hemisphere, temperatures there seem to be falling. This is ______.
[单项选择]More and more vehicles using cheap fuel, declared scientists at the conference, have left Bangkok's children with body lead levels the world highest.
[单项选择]As fuel prices rose, bus companies raised their fares, and ______.
A. so did the airlines
B. nor did the airlines
C. so the airlines did
D. nor the airlines did
[单选题]The _______ displays the speed of the airplane through the air by comparing ram air pressure with static air pressure.
A.altimeter
B.airspeed indicator
C.vertical speed indicator
D.attitude indicator
[单项选择]Where is Tetovo
A. It is to the west of the Macedonian capital.
B. It is in southern Serbia.
C. It is outside Balkans.
D. It is to the west of Washington.
[单选题]The amount of moisture the air can hold depends on air temperature _______ is the temperature at which air becomes saturated.
A.Dewpoint
B.Humidity
C.Moisture
D.Relative humidity
[单项选择]The reductions on greenhouse gas emissions, called for in the Kyoto Treaty, turned out to be ______.
A. too dangerous for the U.S. economy
B. unrealistic for the year 2000
C. good for oil, coal and chemical companies
D. not too difficult to achieve in the U.S.
[单选题]The purpose to use holistic fuel tank on A/C is to _______.
A.reduce the risk of fire
B.make refueling easy
C.reduce fuel leak to minimum
D.reduce weight
[单项选择]The first recorded use of natural gas to light street lamps it was in the town of Frederick, New York, in 1825.
A. was
B. is
C. it is
D. were
[单项选择]When a liquid boils,it becomes a gas.
A. vapor
B. danger
C. fuel
D. bubble
[单项选择]
Text 2
Owing to the insufficient gas supply in the United States, the gas price has dramatically risen. The new gas price reality and the policy decisions it may trigger will undoubtedly lead to critical financial implications for some individuals or companies, but the situation can hardly be termed a "national crisis" or even a "shortage". What is true is that buyers--particularly those in the chemical industry and in independent power generation -will not be able to acquire the quantity of gas they wish at the prices they wish to pay, or even at prices that will allow them to remain competitive in their markets, particularly during peak demand seasons.
Over the next year or two, the result will be higher, and more volatile prices, to be sure, but there are market-driven adjustment mechanisms even in the short term, e.g., more electric power from coal and oil, reduced production of domestic chemicals, and a commensurate substitution of
A. The financial situation is rather critical owing to the high gas prices.
B. The economic situation is not bad enough to trigger a recession.
C. Demand adjustments are the same in all the states of America.
D. The U. S. need to reconsider its policy concerning environment and economic growth.
