An indicator on the main switchboard should show （） the emergency battery is in service or not.

A、that

B、when

C、if

D、whether

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更多“An indicator on the main switchboard should show （） the emergency battery is in service or not.”相关的问题

第1题

[单选题] A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?（）

A、The switch port link lights will be off on both switches indicating the ports are not connected. B、The switch port link light will be off on one switch indicating that STP has disabled the port. C、The switch port link lights will flash amber indicating an error. D、The switch port link lights will be green indicating normal operation.

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第2题

[单选题] I hereby（）that my vessel is fitted with a rudder angle indicator and an engine revolution indicator on the bridge in such a position that the pilot may read both without having to move away from his station; and that the rudder angle indicator and engine revolution indicator are in good working condition.

A、delay B、state C、delete D、contain

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第3题

[单选题] A ground in an electrical circuit outside the engine room （）.

A、cannot be detected tinder normal conditions B、is of no consequence to engineering personnel C、is indicated at the branch circuit breaker panel D、is indicated by the ground detecting lamps on the main switchboard

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第4题

[单选题] A list signal of one white light indicates that the vessel is （）.

A、on an even keel B、listing about 1° to the side the light is displayed on C、listing over 5° With the light displayed on the high side D、listing，and the chutes should be directed to the side where the light is displayed

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第5题

[] During an attempt to 'scp' between two hosts, an error indicating PRNG is not seeded is displayed. What is the likely cause of the error?（） During an attempt to 'scp' between two hosts, an error indicating PRNG is not seeded is displayed. What is the likely cause of the error?（）

A、A.The sshd user id is locked. B、B.The /var/empty directory needs to be created. C、C.PRNG is set to 'no' in the /etc/ssh/sshd_config file. D、D.The permissions on /dev/random and /dev/urandom are incorrect.

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第6题

[单选题] The Emergency Position Indicating Radiobeacon on a cargo vessel must be stowed（）.

A、in an inside passageway B、in an approved bracket C、so that it is accessible from the bridge of the vessel D、so that it will float free if the vessel sinks

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第7题

[单选题] The Emergency Position Indicating Radio beacon on a cargo vessel must be stowed（）.

A、in an inside passageway B、in an approved bracket C、so that it is accessible from the bridge of the vessel D、so that it will float free if the vessel sinks

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第8题

[单选题] If you were inspecting the valve springs on an auxiliary diesel engine, your best indication of impending spring failure would be （）

A、a glazed surface on the spring B、nicks in the protective coating C、a build up of sludge deposits D、cracks in the surface of the spring

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第9题

[单选题] A combination combustible gas and oxygen indicator is an instrument that measures the（） of both combustible gas and oxygen; each is indicated on a separate meter.

A、purifies B、combinations C、concentrations D、filters

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