Theory of Machine
Which of the following is an inversion of a single slider crank chain?

Oscillating cylinder engine
All of these
Pendulum pump
Rotary internal combustion engine

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Theory of Machine
The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, because

Whole of the mechanism in the Ackerman steering gear is on the back of the front wheels
The Ackerman steering gear consists of turning pairs
Both (A) and (B)
The Ackerman steering gear is most economical

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