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MMLU-Pro / 11759 / A short-circuit test on a 15-kva, 2400/240-volt, 60- cycle transformer yields…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A short-circuit test on a 15-kva, 2400/240-volt, 60- cycle transformer yields the following result: 6.25 amperes, 131 volts, and 214 watts. Determine the regulation of the transformer for a load of 0.8 lagging power factor by means of the approximate equivalent circuit.

category

engineering

options

  1. 4.8 per cent
  2. 6.0 per cent
  3. 3.8 per cent
  4. 4.26 per cent
  5. 7.3 per cent
  6. 3.5 per cent
  7. 5.6 per cent
  8. 5.1 per cent
  9. 2.9 per cent
  10. 2.2 per cent

src

stemez-ElectricalMachines

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Source and history

upstream_id / Original problem ID
11759
task_id
0a14b254-1f25-5610-b3ed-5f417367409e
task_key
default--test--11759
task_revision_id
1
config / split
default / test

Official source

initial import