Function of idler pully are a. to increase the angle of contact of belt on pully b. maintain belt tension as belt stretches c. canter to centre distance remain same d. all the above

Function of idler pully are
 a. to increase the angle of contact of belt on pully  b. maintain belt tension as belt stretches  c. canter to centre distance remain same  d. all the above
by

1 Answer

Answer :

d. all the above
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