Theory of Machine
The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be

To dip the nose and tail
To raise the nose and dip the tail
To raise the nose and tail
To dip the nose and raise the tail

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

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

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