Q 9. Which of the following statements is INCORRECT
(A) Grashof’s rule states that for a planar crank – rocker four bar mechanism, the sum of the shortest and longest link lengths cannot be less than the sum of the remaining two link lengths.
(B) Inversions of a mechanism are created by fixing different links one at a time.
(C) Geneva mechanism is an intermittent motion device.
(D) Gruebler’s criterion assumes mobility of a planar mechanism to be one.