下面关于ENG VALVE CLOSE灯的说法正确的是()A、这是发动机梁活门的指示灯B、活门打开时该灯灭C、活门打开时该灯明亮D、活门打开时该灯暗亮
下面关于ENG VALVE CLOSE灯的说法正确的是()
- A、这是发动机梁活门的指示灯
- B、活门打开时该灯灭
- C、活门打开时该灯明亮
- D、活门打开时该灯暗亮
相关考题:
If the head pressure of a reciprocating refrigeration compressor is excessiveA.the relief valve should open before the high pressure cutoutB.the relief valve should open and allow the excess refrigerant to flow to the receiverC.the high pressure cutout switch should operate before the relief valve opensD.you should close the discharging valve
The fitting at the end of a cargo line in a tank that allows suction to be taken close to the bottom of a tank is a ______.A.Suction endB.StrainerC.Bell-mouthD.Vacuum valve
If the hatch cover does not move, ()should be checked.A、the open valveB、the stop valveC、the steam valveD、the close valve
有交流电对ENG/APU火警/过热位测试时,飞机上哪些指示和警告()A、P7板:火警灯,主警告灯,系统警告牌的OVHT/DET灯B、P8板:APU/ENG灭火手柄灯C、发动机过热灯、火警铃D、以上都对
当A/THR衔接且起作用时()A、推力手柄控制ENG且FCU上的A/THR接通灯亮;B、推力手柄控制ENG但FCU上的A/THR接通灯不亮;C、推力系统控制ENG但FCU上的A/THR接通灯不亮;D、推力系统控制ENG且FCU上的A/THR接通灯亮。
下面关于P5-13电表及电瓶和厨房电源面板上“ELEC”灯或“电瓶释放”灯的说法不正确的是()A、“ELEC”灯只有飞机在地面时才会亮B、“ELEC”灯为琥珀色C、“电瓶释放”灯在APU停车时就亮D、“电瓶释放”灯在APU起动时会亮
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If the hatch cover does not move, ()should be checked.Athe open valveBthe stop valveCthe steam valveDthe close valve
单选题If the head pressure of a reciprocating refrigeration compressor is excessive, ().Athe relief valve should open before the high pressure cutoutBthe relief valve should open and allow the excess refrigerant to flow to the receiverCthe high pressure cutout switch should operate before the relief valve opensDyou should close in on the suction valve
单选题If the valve tappets in a diesel engine are set at greater clearances than those specified by the engine manufacturer, those valves will ()Aopen late and close earlyBopen late and close lateCfail to open when the engine is coldDfail to open at normal operating temperature
单选题Excessive valve lash in an auxiliary diesel engine will cause the valves to open()Alater and close soonerBsooner and close laterCsooner and close soonerDlater and close later
单选题The simplest method to use for determining if a centrifugal pump is operating as designed, is to ().Aclosely observe the pump discharge temperatureBclose off the discharge valve, and watch for a rise in pressureCmomentarily close off the suction valve, and watch for a rise in pressureDuse a clamp on ammeter and compare the readings to past records
单选题If the engine is naturally aspirated, or is a small high-speed type with a centrifugal turbocharger, the period of valve overlap(),ie when both valves are(), will be and the exhaust valve will close some 10°top dead canter().Aopen;short;afterBclosed;short;afterCopen;long;beforeDclosed;long;before
多选题关于草坪灯,下面说法正确的是()。A草坪灯比较低矮,造型多样B放置在广场周边或草坪边缘作装饰照明,创造夜间景色的氛围C草坪灯应尽量避免眩光的产生D力求产生均匀平淡的光照感应