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MMLU-Pro / 11712 / A pair of mating spur gears increases the speed of the shaft approximately by 4…

Problem

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

question

A pair of mating spur gears increases the speed of the shaft approximately by 4 times. Thediametralpitch for the gear is 8 in. and it is desired that the center distance be approximately 12 in. Determine the actual velocity ratio and the center distance for the gears.

category

engineering

options

  1. V_R = 4.5, C_d = 12.5 in.
  2. V_R = 3.948, C_d = 14 in.
  3. V_R = 4.2, C_d = 13 in.
  4. V_R = 3.2, C_d = 12.2 in.
  5. V_R = 3.948, C_d = 12 in.
  6. V_R = 3.5, C_d = 11 in.
  7. V_R = 4.05, C_d = 11.5 in.
  8. V_R = 3.85, C_d = 13.5 in.
  9. V_R = 4.8, C_d = 24 in.
  10. V_R = 2.948, C_d = 10 in.

src

stemez-MachineDesign

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Source and history

upstream_id / Original problem ID
11712
task_id
85b5a08a-ed8a-5702-92e6-0010a23eb5a3
task_key
default--test--11712
task_revision_id
1
config / split
default / test

Official source

initial import