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MMLU-Pro / 12161 / (a) A 4-pole machine has lap winding with 36 winding elements. What are the back…

Problem

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

question

(a) A 4-pole machine has lap winding with 36 winding elements. What are the back and front pitches of this winding, expressed in commutator bars? (b) A 4-pole machine has wave winding with 37 winding elements. What are the three pitches of this winding expressed in commutator bars?

category

engineering

options

  1. Back pitch for lap winding is 12, front pitch is 13. Back pitch for wave winding is 7, front pitch is 6 or 7.
  2. Back pitch for lap winding is 9, front pitch is 10. Back pitch for wave winding is 9, front pitch is 8 or 9.
  3. Back pitch for lap winding is 8, front pitch is 9. Back pitch for wave winding is 10, front pitch is 11 or 12.
  4. Back pitch for both windings is 8, front pitch is 9 or 10.
  5. Back pitch for both windings is 9, front pitch is 11 or 12.
  6. Back pitch for lap winding is 11, front pitch is 9. Back pitch for wave winding is 10, front pitch is 8 or 9.
  7. Back pitch for lap winding is 7, front pitch is 6. Back pitch for wave winding is 11, front pitch is 12 or 13.
  8. Back pitch for lap winding is 10, front pitch is 8. Back pitch for wave winding is 9, front pitch is 9 or 10.
  9. Back pitch for lap winding is 10, front pitch is 11. Back pitch for wave winding is 8, front pitch is 7 or 8.
  10. Back pitch for lap winding is 9, front pitch is 8. Back pitch for wave winding is 9, front pitch is 9 or 10.

src

stemez-ElectricalMachines

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Source and history

upstream_id / Original problem ID
12161
task_id
02b66d4e-724d-5d55-9331-69f1e9e65b20
task_key
default--test--12161
task_revision_id
1
config / split
default / test

Official source

initial import