## Theory of Machine The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear.

None of the listed here
Less
Same
More

## Theory of Machine The C.G. of a link in any mechanism would experience

Angular acceleration
Both angular and linear accelerations
Linear acceleration
No acceleration

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

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

## Theory of Machine To obviate axial thrust, following gear drive is used

Single helical gear in which one of the teeth of helix angle a is more
Double helical gears having opposite teeth
Mutter gears
Double helical gears having identical teeth

## Theory of Machine In S.H.M., acceleration is proportional to

Displacement
Velocity
All of these
Rate of change of velocity

(ω₁ - ω₂)2r
ω₁.ω₂.r
(ω₁ + ω₂)r
(ω₁ - ω₂)r