Theory of Machine
Longitudinal vibrations are said to occur when the particles of a body moves

Perpendicular to its axis
None of these
Parallel to its axis
In a circle about its axis

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
Which of the following statement is correct as regard to the difference between a machine and a structure?

The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another
A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work
The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only
All of these

ANSWER DOWNLOAD EXAMIANS APP