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MMLU-Pro / 11522 / A 15-hp, 220-volt, 1800-r/min shunt motor has an efficiency of87 per cent at…

Problem

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

question

A 15-hp, 220-volt, 1800-r/min shunt motor has an efficiency of87 per cent at full load. The resistance of the field is 440 ohms.Calculate the (a) Full-load armature current. (b) Torque of the machine.

category

engineering

options

  1. 54 amps, 38 lb. ft
  2. 56 amps, 46 lb. ft
  3. 61 amps, 47 lb. ft
  4. 58 amps, 44 lb. ft
  5. 59 amps, 42 lb. ft
  6. 57.96 amps, 43.77 lb. ft
  7. 55 amps, 40 lb. ft
  8. 53.5 amps, 41.5 lb. ft
  9. 60 amps, 45 lb. ft
  10. 52 amps, 39 lb. ft

src

stemez-ElectricalMachines

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Source and history

upstream_id / Original problem ID
11522
task_id
6d1c939b-e2ee-5231-bfce-447b16d21784
task_key
default--test--11522
task_revision_id
1
config / split
default / test

Official source

initial import