141 S19
Authored by Rizwan Rizwan
Science
Professional Development
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14 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A UPS is typically used to protect hardware such as:
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A UPS differs from an auxiliary or emergency power system or standby generator as it provides near-instantaneous protection from input power interruptions. It does this by supplying energy stored in_____________, super capacitors, or flywheels.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What else do most UPS do in addition to providing protection from loss of power supply?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
_______________ the load is powered directly by the input power and the backup power circuitry is only used when the supply power fails. Most UPS below 1 kVA are of the line-interactive or standby type and are usually less expensive.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
________________maintains the inverter in line and redirects the battery’s DC current path from the normal charging mode to supplying current when power is lost.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
_______________- takes AC input, rectifying to DC for passing through the rechargeable battery, then inverting back to 120V/240V AC for powering the protected equipment.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
For large power units, ________________________are often used.
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