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Machine Design Miscellaneous
  1. Two shafts A and B are made of the same material. The diameter of shaft B is twice that of shaft A The ratio of power which can be transmitted by shaft A to that of shaft B is
    1. 1
      2
    2. 1
      4
    3. 1
      8
    4. 1
      16
Correct Option: C

TA =
π
 × d3τ
16

TB =
π
 × (2d)3τ
16

PA
 =
TA
 =
1
PBTB8


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