Question:-

(W = Weight of reciprocating parts per cylinder)
For a three-cylinder radial engine, the primary and direct reverse cranks are as shown in the above figures.
Which one of the following pairs is not correctly matched in this regard?
Option (A)
Primary direct force....(3W/2g)w2r
Option (B)
Primary reverse force....Zero
Option(C)
Primary direct crank speed....w
Option(D)
Primary reverse crank speed....2w
Correct Option:
(D)
question-answer-faq-6387