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透平进口温度(turbine inlet temperature(TIT))


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更多 “透平进口温度(turbine inlet temperature(TIT))” 相关考题
考题 以下方法不能够提高透平机发电量的是:()A.提高进口煤气流量。B.提高进口煤气温度。C.提高进口煤气压力。D.提高出口煤气压力。

考题 If the exhaust gas temperature of the incinerator is too high, or if sparks are developed, What should you do? A.Close the inlet and outletvalves for diesel oilB.Open the air nozzles in the secondary combustion chamber until it stopsC.Open the air nozzles in the primary combustion chamber until it stopsD.Close inlet valve for pressurized air

考题 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

考题 以下方法不能提高透平机发电量的是()A.提高进口煤气流量B.提高进口煤气温度C.提高进口煤气压力D.提高出口煤气压力

考题 The relative air pressure in the inlet manifold of a turbocharged diesel engine is usually______.A.greater than the average exhaust manifold pressureB.less than the average exhaust manifold pressureC.greater at the turbine wheel than at the impellerD.greater at reduced engine speed

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 透平机进口四点轴承温度应小于()℃A、75B、80C、100D、90

考题 透平(turbine)

考题 开工时,低压透平膨胀机进口温度下降到()时,渐开()和渐关()阀。

考题 影响燃气轮机维护周期的主要因素有燃料种类、启停次数、负载循环、透平进口温度、蒸汽或水注入。

考题 打开透平机付线后,气体从出口直接进入进口,反复循环,从而会造成电机定子温度、轴承温度升高,因此透平机岗位不用付线

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 根据移动基站验收规范,在OMT定义的外告警,Inlet(ID)Class8所对应的告警为()。A、THUNDERBOLT ALARMB、FIRE ALARMC、TEMPERATURE ALARMD、HUMIDITY ALARM

考题 F级燃机透平进口温度(T3*)一般可高达()℃。A、1200B、1300C、1400

考题 单选题The purpose of an after-cooler is to()A reduce the turbocharger operating temperatureB increase the pressure of the inlet airC increase the density of the inter airD reduce the blower operating temperature

考题 单选题F级燃机透平进口温度(T3*)一般可高达()℃。A 1200B 1300C 1400

考题 单选题Which of the following statements is not true concerning symptom of a fire in the scavenge air box?()A an increase in the exhaust temperature of the affected cylinderB the turbocharger may surgeC the explosion pressure in all cylinders will rise violentlyD smoke from the turbocharger air inlet filter will be seen

考题 单选题An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by ().A restriction in refrigerant pipingB air and non-condensable gases in the condenserC water in the refrigerantD flooding back of liquid refrigerant from the evaporator

考题 单选题A re-heater in an air conditioning system functions to ().A control inlet air temperatureB control inlet air volumeC maintain relative humidity at 15%D restore conditioned air temperature to a comfortable level

考题 单选题()can cause oil flow from water outlet of a separator.A Oil inlet valve opening too quicklyB Oil temperature too highC Diameter of gravity disc too smallD Viscosity of oil too low

考题 单选题The temperature differential occurring between the inlet temperature of the fluid to be cooled and the outlet temperature of the cooling medium in a shell-and-tube heat exchanger is greatest in which of the flow designs listed?()A CrossB ParallelC CounterD Circular

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The relative air pressure in the inlet manifold of a turbocharged diesel engine is usually()A greater than the average exhaust manifold pressureB less than the average exhaust manifold pressureC greater at the turbine wheel than at the impellerD greater at reduced engine speed

考题 单选题Which of the following problems can cause an above normal air temperature to develop in the intake manifold of a turbocharged and after-cooled diesel engine?()A Faulty turbocharger turbine diffuser ringB Faulty turbocharger compressor ringC Insufficient cooling water flowD Clogged air intake filters

考题 单选题Which condition indicates the air side fouling of an after-cooler on a turbocharged diesel engine?()A An increased air temperature differential between the cooler inlet and outletB A decrease in the air pressure differential across the coolerC Excessive condensate forming in the air boxD A decrease in the air temperature differential between the cooler inlet and outlet

考题 单选题On what do you depend having the air cooler of main engine chemically washed?()A increased air pressure differenced before and aft air coolerB reduced exhaust temperature in all cylindersC reduced temperature difference between water inlet and outletD both A and C

考题 单选题An electric heater built into some smaller diesel engines is used to ().A raise lube oil viscosity for easier starting in cold weatherB increase air inlet temperatureC increase compression ratioD increase jacket water temperature for easier starting in cold weather