更多"An over-speed trip serves to （）"的相关试题:
[单项选择]The certificate of nationality （） serves as evidence of the nationality of the ship （） shows the port of registry.
A. neither，nor
B. not only，but also
C. not，but
D. not only， and but
[单项选择]Lubricating oil used in a diesel engine serves to（）
A. reduce the wear of bearing surfaces
B. cool the bearing surfaces
C. assist in sealing bearing surfaces
D. all of the above
[单项选择]A transformer in an electric circuit serves to （）
A. generate its own electrical power
B. transform electrical energy into mechanical energy
C. increase or decrease circuit voltage as required
D. convert AC current to DC current
[单项选择]A helicopter making a round trip from a helideck with refueling capabilities to an unmanned platform will take 45 minutes each way. The helicopter should be carrying enough fuel to last（）.
A. 45 minutes
B. 1 hour and 15 minutes
C. 1 hour and 30 minutes
D. 2 hours
[单项选择]The over-speed trip installed on most diesel engine will stop the engine by shutting off the （）
A. water supply
B. fuel oil supply
C. lube oil supply
D. exhaust damper
[单项选择]The over-speed trip device installed in some diesel engines is automatically actuated by（）
A. spring force
B. hydraulic pressure
C. centrifugal force
D. mechanical linkage
[单项选择]Have a nice trip.翻译为：（）
A. 祝您假期愉快
B. 祝您旅途愉快
C. 祝您心情愉快
D. 祝您工作愉快
[单项选择]How was your trip to London, Jane?（）
A. Oh, wonderful indeed.
B. I went there alone.
C. The guide showed me the way.
D. By plane and by bus.
[单项选择]An over-speed trip stops a diesel engine when the engine （）
A. runs out of fuel
B. has low lubricating oil pressure
C. exceeds a set maximum speed
D. has high cooling water temperature
[单项选择]To check the setting of the overspeed trip on a diesel powered generator, you would use a （）.
A. tachometer
B. torsion meter
C. dynamometer
D. pony brake
[单项选择]Fuses placed in series with a thermal trip-type circuit breaker are used for （）.
A. time-delay protection
B. short-circuit protection
C. short duration surge protection
D. sustained overload protection
[单项选择]The trip to the museum has been（）until Thursday 11th March.
A. lengthened
B. postponed
C. frowned
D. cancelled
[单项选择]Hi, welcome back! Have a nice trip?（）
A. Oh, fantastic! Fresh air, and
B. Come on, I've got lots of fun
C. By the way, I don't like Saturdays
D. Well, I'll look forward to your phone call sunshine every day
[单项选择]Before she left on the trip, she（）hard.
A. had trained;
B. has trained
C. would trained
[单项选择]I really hope that you will （）your trip to Canada and get back as soon as possible when people have to knowledge of the law.
A. prefer
B. refer
C. enjoy
D. i nfer
[单项选择]冷轧带钢品种中TRIP钢属于（）钢板。
A. 形变诱导相变强化型
B. 强化型
C. 烘烤硬化型
D. 相变强化型
[单项选择]下列哪些故障指示能被TRIP RESET电门复位（）
A. PACK, DUAL BLEED,WING-BOSY OVHEAT
B. BLEED TRIP OFF,RAM DOOR FULL POPEN,DUAL BLEED
C. BLEED TRIP OFF,PACK,DUAL BLEED
D. ZONE TEMP,PACK,BLEED TRIP OFF
