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透平（turbine）
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更多 “透平（turbine）” 相关考题
考题
The thermal energy of the steam is converted into ( ) energy by the turbine.
A.electricalB.mechanicalC.chemicalD.potential
考题
As for turbine oil, contact with water in the form of steam will be inevitable so good______properties will be essentialA.defrostingB.de-oilingC.demulsifyingD.dehumidifying
考题
Which method should be used to warm up the pump turbines prior to discharge ________．A.Lock the turbine rotor and slowly bleed in steam until operating temperature is reachedB.Run the pump at high speed with the discharge valves closedC.Run the turbine at slow speed with the pump disconnectedD.Shut the discharge valve and run the pump at slow speed
考题
透平[turbine]将流体工质中蕴有的能量转换成机械功的机器。又称涡轮、涡轮机。透平是英文turbine的音译，源于拉丁文turbo一词，意为旋转物体。透平的工作条件和所用工质不同，因而其结构型式多种多样，基本工作原理（）。A、不同B、完全相同C、相似D、也多种多样
考题
单选题Which method should be used to warm up the pump turbines prior to discharge（）.A
Lock the turbine rotor and slowly bleed in steam until operating temperature is reachedB
Run the pump at high speed with the discharge valves closedC
Run the turbine at slow speed with the pump disconnectedD
Shut the discharge valve and run the pump at slow speed
考题
单选题After passing through the turbine the exhaust gas is conducted out into the（）.A
intercoolerB
compressorC
cylinderD
open air
考题
单选题For a generator engine, after passing through the turbine the exhaust gas may be conducted out into the （）.A
intercoolerB
open airC
oil fired boilerD
B and C
考题
单选题A grease gun is generally used to lubricate a （）.A
condensate pump ball bearingB
main shaft bearingC
main turbine bearingD
diesel engine wrist pin bearing
考题
单选题As for turbine oil, contact with water in the form of steam will be inevitable so good （） properties will be essential.A
defrostingB
de-oilingC
demulsifyingD
dehumidifying
考题
单选题“This increase in charge air density is accomplished on most modern diesel engine types by use of exhaust gas turbo-charging, in which a turbine wheel driven by exhaust from the engine is rigidly coupled to a centrifugal type air compressor” According to this sentence, we can know that increases density（）, drives the compressor directly（）A
a modern diesel engine；a turbine wheelB
a modem diesel engine；exhaust gasesC
a compressor；an exhaust gas turbochargerD
a compressor；a turbine wheel
考题
多选题透平根据排汽方式的不同可以分为（）。A背压式透平B抽汽冷凝式透平C全凝式透平D常压透平
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