Theory of Machine
In under damped vibrating system, the amplitude of vibration

Decreases linearly with time
Decreases exponentially with time
Increases exponentially with time
Increases linearly with time

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

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

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