燃气轮机(gas turbine)
燃气轮机(gas turbine)
相关考题:
The thermal energy of the steam is converted into ( ) energy by the turbine. A.electricalB.mechanicalC.chemicalD.potential
The high air velocity leaving the compressor of an exhaust gas turbocharger is converted to pressure in the_______.A.inlet nozzle ringB.turbine wheel bladeC.diffuser passagesD.inlet volute
Which method is used to supply inert gas from a flue gas system to the cargo tanks?A.Exhaust gas pressure from the stackB.High capacity fanC.Inert gas compressorD.Natural aspiration
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
Air Bus’ world-renowned hot-section engineering______the needs of industrial gas turbine customers.A.repliesB.answersC.freesD.addresses
单选题Each inert gas system gas main must have an automatic shut down valve at the outlet of the gas production plant. This valve must close automatically upon().Acargo pump failureBblower failureCdeck seal low water levelDlow inert gas temperature
单选题The hot expanding gas rotates the blades of the exhaust turbine, thus giving out large part of its power, which drives ().Athe oil separatorBthe fresh water generatorCthe compressorDfire pump
单选题An exhaust gas bypass is installed on a waste heat boiler in order to ().Abypass exhaust gas at high loads to prevent excessive back pressureBbypass a portion of the exhaust gas at peak loads for better efficiencyCrecycle exhaust gas to the turbochargerDminimize moisture condensation in the boiler gas passages at low loads
单选题After the initial cleaning of flue gas in an inert gas system the gas is passed through what device for final cleaning?().AScrubberBDemisterCDeck water sealDFinal filter
单选题Diesel engine exhaust noise can be reduced in an exhaust muffler by ()Achanging the direction of exhaust gas flowBincreasing the exhaust gas velocityCchanging the exhaust gas weightDincreasing the exhaust gas static pressure
单选题Which method should be used to warm up the pump turbines prior to discharge().ALock the turbine rotor and slowly bleed in steam until operating temperature is reachedBRun the pump at high speed with the discharge valves closedCRun the turbine at slow speed with the pump disconnectedDShut the discharge valve and run the pump at slow speed
单选题After passing through the turbine the exhaust gas is conducted out into the().AintercoolerBcompressorCcylinderDopen air
单选题For a generator engine, after passing through the turbine the exhaust gas may be conducted out into the ().AintercoolerBopen airCoil fired boilerDB and C
单选题Why will a turbocharger diesel engine produce black smoke if excessive additional load is applied too quickly?()AExhaust energy would draw excess airBThe inertia of the turbocharger rotor causes a time lag which delays the turbocharger speed increaseCExhaust gas pumping losses are increased due to turbine windageDExhaust gas back pressure falls slightly due to increased nozzle action
单选题Which method is used to supply inert gas from a flue gas system to the cargo tanks?()AExhaust gas pressure from the stackBHigh capacity fanCInert gas compressorDNatural aspiration
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()Aa modern diesel engine;a turbine wheelBa modem diesel engine;exhaust gasesCa compressor;an exhaust gas turbochargerDa compressor;a turbine wheel
单选题Gas turbines differ from steam turbines in that ().Asteam rather than gas is used to turn a shaftBvapor rather than gas is used to turn a shaftCthe former uses gas to turn a shaftDthe latter uses gas to turn a shaft
单选题The component in an inert gas system used for cleaning the gas of solid and sulphur combustion products,while simultaneously cooling the inert gas,is called the().AfilterBcoolerCscrubberDpurifier