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Water-based

Gas-based

Foam-based

Powder-based

None of the above

when the battery weight exceeds 500 pounds

When the ceiling suspended load capacity is below 20 pounds per square foot

when the potential for outgassing hydrogen exists

When corrosive fumes are detected in operation room

To determine their electrical, space, interface, and other facility requirements

As an alternative approach to save cost

To know about hardware requirement only

none of above

None of The Above.

Energy efficiency Ratio.

Return temperature index.

All of the above

adjacent to equipment rooms they support

in a separate building

far away from the data center

inside computer room

Single point ground

Multiple point ground

Distributed ground

None of the above

At least two circuits from one substation fed via alternative power grid

Two balanced feeds with different voltages derived from a single distribution station

One circuit from one substation, separate paths

At least four circuits each from different distribution stations but fed via common feeders

Single Entrance/Single Pathway

Single Entrance/Dual Pathway

Dual Entrance/Dual Pathway

All of the above

Min. of 2 ft but recommended 6 ft.

Min. of 4 ft but recommended 6 ft.

Min. of 6 ft but recommended 8 ft.

Min. of 8 ft but recommended 10 ft.

-25°F to +125°F (-32°C to +52°C)

-30°F to +110°F (-34°C to +43°C)

-20°F/-28° C minimum and up to a maximum of104 ° Fahrenheit/40° Celsius

Up To140 Degrees Fahrenheit /60 Degrees Celsius