CompTIA Server+ Exam: UPS Runtime Calculation | SK0-004

Maximum Runtime Calculation for UPS with 200 Amps per Hour Rating

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Question

An administrator has a UPS rated at 200 amps per hour.

Which of the following is the maximum runtime of this UPS when hooked up to a server drawing 400 amps per hour?

Answers

Explanations

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A. B. C. D.

B.

To calculate the maximum runtime of a UPS, we need to use the formula:

runtime = (UPS rating in amp-hours) / (total power draw in amps)

Here, the UPS is rated at 200 amps per hour, and the server is drawing 400 amps per hour. So, we can substitute these values into the formula:

runtime = 200 / 400

Simplifying this equation, we get:

runtime = 0.5 hours

Since the question is asking for the answer in minutes, we need to convert 0.5 hours to minutes:

0.5 hours x 60 minutes/hour = 30 minutes

Therefore, the maximum runtime of this UPS when hooked up to a server drawing 400 amps per hour is 30 minutes.

So, the correct answer is option B: 30 minutes.