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MMLU-Pro / 12232 / A 15 hp internal-combustion engine runs at 1400 rpm and rotates a grinding disc…

Problem

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

question

A 15 hp internal-combustion engine runs at 1400 rpm and rotates a grinding disc at 700 rpm under smooth conditions. If a triple strand no. 50 roller chain is to transmit power, calculate the number of teeth on both sprockets and the kind of lubrication needed for rust-proof operation.

category

engineering

options

  1. Driving sprocket = 11 teeth, Driven sprocket = 22 teeth, Lubrication type = B
  2. Driving sprocket = 7 teeth, Driven sprocket = 14 teeth, Lubrication type = D
  3. Driving sprocket = 6 teeth, Driven sprocket = 12 teeth, Lubrication type = C
  4. Driving sprocket = 14 teeth, Driven sprocket = 28 teeth, Lubrication type = A
  5. Driving sprocket = 15 teeth, Driven sprocket = 30 teeth, Lubrication type = D
  6. Driving sprocket = 12 teeth, Driven sprocket = 24 teeth, Lubrication type = C
  7. Driving sprocket = 9 teeth, Driven sprocket = 18 teeth, Lubrication type = B
  8. Driving sprocket = 13 teeth, Driven sprocket = 26 teeth, Lubrication type = A
  9. Driving sprocket = 8 teeth, Driven sprocket = 16 teeth, Lubrication type = C
  10. Driving sprocket = 10 teeth, Driven sprocket = 20 teeth, Lubrication type = A

src

stemez-MachineDesign

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Source and history

upstream_id / Original problem ID
12232
task_id
a0345864-d5c5-5b96-844b-86ec6ab3a6b5
task_key
default--test--12232
task_revision_id
1
config / split
default / test

Official source

initial import