standby generators Flashcards

0
Q

how long does it typically take for a standby generator to go online

A

8 to 15 seconds

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1
Q

three common fuels used by engine driven generators

A

gas deisel and natural gas

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2
Q

where is the control panel of an engine driven generator located

A

alternator end of the engine driven set

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3
Q

name three instrument controls you would likely find on a control panel

A

ammeter voltmeter and cranking limiter

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4
Q

what is the safest way to ensure that the emergency generator set cant accidentally start?

A

remove the batteries

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5
Q

engine driven generators used in hospitals must have a sufficient amount of fuel to last how many hours

A

72

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6
Q

two main emergency loads in a building are?

A

lights and elevators

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7
Q

what function of a bypass switched used with an ats

A

to keep the supply going when the ats isnt working

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8
Q

list three reasons why plant exercising should be done regularly

A

keep engine lubricated, recharge the battery, remove condensation from the crank case

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9
Q

why is the power supply authority interested in ats installation

A

it can cause a de energized line to be energized from backfeed

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10
Q

a large ats can be rated up to what current value

A

4000amps

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