THEORY OF MACHINE QUIZ

For a kinematic chain to be considered as mechanism

One link should be fixed

None of the links should be fixed

There is no such criterion

Two links should be fixed

TRUE ANSWER : ?
YOUR ANSWER : ?

Governor is used in automobile to

Decrease the variation of speed

Maintain constant engine speed

Limit the vehicle speed

Maximize the fuel economy

TRUE ANSWER : ?
YOUR ANSWER : ?

Power of a governor is the

Mean force exerted at the sleeve for maximum equilibrium speed

Mean force exerted at the sleeve for a given percentage change of speed

Work-done at the sleeve for maximum equilibrium speed

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The D-slide valve is also known as

Piston slide valve

Inside admission valve

Outside admission valve

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. The number of turns made by the smaller gear for one revolution of arm about the centre of bigger gear is

3

2

4

5

TRUE ANSWER : ?
YOUR ANSWER : ?

Sense of tangential acceleration of a link

Is opposite to that of velocity

Is same as that of velocity

Is perpendicular to that of velocity

Could be either same or opposite to velocity

TRUE ANSWER : ?
YOUR ANSWER : ?

The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is

Chain coupling

Universal coupling

Flexible coupling

Oldham's coupling

TRUE ANSWER : ?
YOUR ANSWER : ?

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

The Ackerman steering gear is most economical

Both (A) and (B)

TRUE ANSWER : ?
YOUR ANSWER : ?

Coriolis component acts

Somewhere in between above two

Along sliding surfaces

Perpendicular to sliding surfaces

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The Bifilar suspension method is used to determine

Centripetal acceleration

Position of balancing weights

Moment of inertia

Natural frequency of vibration

TRUE ANSWER : ?
YOUR ANSWER : ?