Theory of Machine The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed. Sum Difference Product Ratio Sum Difference Product Ratio ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience Only linear acceleration Only angular acceleration No acceleration Both linear and angular acceleration Only linear acceleration Only angular acceleration No acceleration Both linear and angular acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from 70°- 80° 60°-70° 50°- 60° 80°- 90° 70°- 80° 60°-70° 50°- 60° 80°- 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. The number of turns made by the smaller gear for one revolution of arm about the centre of bigger gear is 4 5 2 3 4 5 2 3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6π Hz 3π Hz 3 Hz 6 Hz 6π Hz 3π Hz 3 Hz 6 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of descent of cam is defined as the angle During which the follower returns to its initial position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Through which the cam rotates during the period in which the follower remains in the highest position Of rotation of the cam for a definite displacement of the follower During which the follower returns to its initial position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Through which the cam rotates during the period in which the follower remains in the highest position Of rotation of the cam for a definite displacement of the follower ANSWER DOWNLOAD EXAMIANS APP