Theory of Machine The lower pairs are _________ pairs. Self-closed Friction closed None of these Force-closed Self-closed Friction closed None of these Force-closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Rectangular bar in a rectangular hole is the following type of pair Completely constrained motion Incompletely constrained motion Freely constrained motion Partially constrained motion Completely constrained motion Incompletely constrained motion Freely constrained motion Partially constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 10 rad/s. When the shaft is rotated at 300 r.p.m., it will whirl with a radius of 3.0 mm 2.22 mm 2.50 mm 2 mm 3.0 mm 2.22 mm 2.50 mm 2 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side. Downward Upward Backward Forward Downward Upward Backward Forward ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centers will lie on a Triangle Rectangle Parabolic curve Straight line Triangle Rectangle Parabolic curve Straight line ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain is known as a mechanism when None of these None of the links is fixed Two of the links are fixed One of the links is fixed None of these None of the links is fixed Two of the links are fixed One of the links is fixed ANSWER DOWNLOAD EXAMIANS APP