## Theory of Machine For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that

Governor B is more sensitive than governor A
Governor A is more sensitive than governor B
None of these
Both governors A and B are equally sensitive

## Theory of Machine Which of the following is false statement in respect of differences between machine and structure?

Machines transmit mechanical work, whereas structures transmit forces
Efficiency of machines as well as structures is below 100 %
In machines, relative motion exists between its members, whereas same does not exist in case of structures
Machines modify movement and work, whereas structures modify forces

## Theory of Machine Which of the following governor is used to drive a gramophone?

Watt governor
Hartnell governor
Porter governor
Pickering governor

## Theory of Machine Which of the following mechanism is an approximate straight line motion mechanism?

Robert's mechanism
Grasshopper mechanism
All of these
Watt's mechanism

## 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

## Theory of Machine Pitch point on a cam is

The point on cam pitch curve having the minimum pressure angle
Any point on pitch circle
Any point on pitch curve
The point on cam pitch curve having the maximum pressure angle