Theory of Machine The velocity of sliding of meshing gear teeth is(Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁/ω₂) y (ω₁ × ω₂) y (ω₁ + ω₂) y (ω₁ + ω₂)/y (ω₁/ω₂) y (ω₁ × ω₂) y (ω₁ + ω₂) y (ω₁ + ω₂)/y ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of maximum fluctuation of speed to the mean speed is called Coefficient of fluctuation of speed Maximum fluctuation of speed Fluctuation of speed None of these Coefficient of fluctuation of speed Maximum fluctuation of speed Fluctuation of speed None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is 1 2 3 4 1 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If two moving elements have surface contact in motion, such pair is known as Surface pair Rolling pair Higher pair Sliding pair Surface pair Rolling pair Higher pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ½μWR ¾μWR μwr ²/₃ μWR ½μWR ¾μWR μwr ²/₃ μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of oscillation at compared to earth will be 6 times more 2.44 times less 2.44 times more 6 times less 6 times more 2.44 times less 2.44 times more 6 times less ANSWER DOWNLOAD EXAMIANS APP