更多"Emergency generator is installed on"的相关试题:
[单项选择]The emergency generator or emergency battery is connected to（） on most large ships.
A. distribution boards
B. section boards
C. emergency switch boards
D. main switch boards
[单项选择]Each emergency generator on a mobile offshore drilling unit，when tested，must be run under a full load for at least（）.
A. one hour
B. two hours
C. ten hours
D. four hours
[单项选择]A diesel driven emergency generator is prevented from being paralleled with the ships service generators by （）
A. an electrical interlock system
B. an automatic paralleling trip switch
C. the synchronizing oscilloscope
D. the reverse current relay
[单项选择]An emergency generator, driven by an internal combustion engine, shall be tested under load for a minimum of 2 hours at least once every （）
A. week
B. 2 weeks
C. month
D. 3 months
[单项选择]On a ship，each emergency generator must be tested at least once each（）.
A. week
B. month
C. three months
D. six months
[单项选择]It （） for an emergency generator to require paralleling.
A. is usual
B. is not usual
C. is necessary
D. is not impossible
[单项选择]An emergency diesel generator should automatically shut down in the event of （）
A. dangerous over-speeding
B. a loss of lube oil pressure
C. activation of the fixed CO2 system for the emergency generator space
D. all of the above
[单项选择]Standby or emergency diesel generator day tanks should always be kept full to reduce the possibility of（）
A. sediment contamination
B. fuel filter clogging
C. moisture formation
D. inadequate transfer pump suction head
[单项选择]Before the oily water is installed on board ships, it must have （）
A. IOPP
B. type approval certificate
C. cargo ship safety equipment certificate
D. cargo ship safety certificate
[单项选择]The port in which crew or passengers go on board the ship is called（）.
A. port of call
B. port of embarkation
C. port of destination
D. port of disembarkation
[单项选择]Fusible plugs are installed in fire-tube boilers to （）.
A. provide a means of draining the boiler
B. warn the engineer of low water level
C. cool the crown sheet at high firing rates
D. open the burners electrical firing circuits
[单项选择]（）are mainly caused by the gravitational pull of the moon.
A. Tides
B. Sea
C. Swell
D. Wind
[单项选择]Since the fire is increasing on board the vessel，the Captain orders that the ship be（）.
A. subtle
B. dental
C. brittle
D. scuttled
[单项选择]The board acknowledges the problems which （）from the newness of the approach.
A. arise
B. rise
C. arouse
D. raise
[单项选择]Intercoolers installed on starting air compressors, reduce the possibility of（）
A. dust entering the high pressure stage
B. lube oil carbonization
C. discharge pulsations
D. inter-stage vapor lock
[单项选择]Temperature control valves installed in the jacket cooling water system of a diesel engine modulates the rate of water flow through the （）.
A. cooling water pump
B. nozzle cooling passages
C. cylinder jackets
D. heat exchanger
[单项选择]The circular steel structure installed around the propeller of a towboat is the（）.
A. nozzle
B. shroud
C. strut
D. hood
[单项选择]Why are removable sleeves installed on centrifugal pump shafts?（）
A. They make it easier to replace the pump shaft packing
B. They can be economically replaced as they wear out
C. They can be removed when it is necessary to lighten the weight of the pump
D. They increase the strength of the shaft
[单项选择]A system administrator installed a new switch using a script to configure it. IP connectivity was tested using pings to SwitchB.Later attempts to access NewSwitch using Telnet from SwitchA faileD.Which statement is true?（）
A. Executing password recovery is required.
B. The virtual terminal lines are misconfigured.
C. Use Telnet to connect to RouterA and then to NewSwitch to correct the error.
D. Power cycle of NewSwitch will return it to a default configuration.
