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RAT Generator输出电的形式是什么？（）
- A、28v交流
- B、115V，400Hz单相交流电
- C、115V，400Hz三相交流电
参考答案
更多 “RAT Generator输出电的形式是什么？（）A、28v交流B、115V，400Hz单相交流电C、115V，400Hz三相交流电” 相关考题
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关于液压系统RAT的收放，以下说法正确的是：（）A、只能在空中放出RAT，只能在地面收起RATB、可在空中放出和收起RAT，可在地面放出和收起RATC、可在空中放出和收起RAT，可在地面收起RATD、可在空中放出RAT，可在地面放出和收起RAT
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把防鼠挡装在系泊缆上。（）A、Put rat guard on the deck.B、Put rat guards on the moorings.C、Put rat guard under the moorings.D、Put rat guards under the moorings.
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3G到2G切换判决算法中，启动延迟触发定时器Trigger-Timer的条件是（）A、Mother_RAT+CIO=Tother_RAT-H/2B、Mother_RAT-CIO=Tother_RAT-H/2C、Mother_RAT+CIO=Tother_RAT+H/2D、Mother_RAT-CIO=Tother_RAT+H/2
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关于RAT系统，下列说法错误的是：（） A、RAT只给最重要的部件提供电源B、RAT发电机的恒频是通过改变涡轮叶片的迎角实现的C、RAT发电机仅给AC ESS BUS供电D、RAT系统的发电机提供15KVA、115/200V、400Hz单相交流电
考题
单选题A DC generator is used to supply direct current in order to maintain an AC generator field and is known as a/an （）A
rotorB
statorC
exciterD
armature
考题
单选题Finally，when your ship is alongside，don’t forget（）.A
having rat guards properly mounted on your mooringsB
to have rat guards properly mounted on your mooringsC
to have rat guards properly mounting at your mooringsD
having rat guards proper mounted on your moorings
考题
单选题The initial voltage of self-excitation generator set up by（）A
residual magnetismB
voltage regulatorC
electrical current for excitationD
the other running generator
考题
单选题Which of the following should be the FIRST step in removing a generator from parallel operation?（）A
Trip the generator off the switchboardB
Turn off all electrical equipmentC
Remove the load from the off going generatorD
Increase the cycles of the generator staying on the line
考题
单选题One method of controlling rats on vessels is by rat-proofing. Rat-proofing is accomplished by （）.A
installing rat guards on the mooring lines when in portB
keeping foods protected and avoiding the accumulation of garbageC
eliminating possible living spaces for rats when the ship is constructedD
trapping and/or poisoning the rats
考题
单选题In a modern three-phase A-Csynchronous brushless generator, the excitation winding is on the rotorThat means （）.A
The generator needs not excitationB
The winding on the rotor is for inputting excitation currentC
There are three phase windings on the rotorD
The generator has brushes
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