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) μwr ½μWR ¾μWR ²/₃ μWR μwr ½μWR ¾μWR ²/₃ μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A governor is said to be stable, if the Radius of rotation of balls decreases as the equilibrium speed increases Radius of rotation of balls increases as the equilibrium speed increases Radius of rotation of balls decreases as the equilibrium speed decreases Radius of rotation of balls increases as the equilibrium speed decreases Radius of rotation of balls decreases as the equilibrium speed increases Radius of rotation of balls increases as the equilibrium speed increases Radius of rotation of balls decreases as the equilibrium speed decreases Radius of rotation of balls increases as the equilibrium speed decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The cam follower generally used in aircraft engines is Spherical faced follower Roller follower Knife edge follower Flat faced follower Spherical faced follower Roller follower Knife edge follower Flat faced follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as Hammer blow Tractive force Swaying couple None of these Hammer blow Tractive force Swaying couple None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The absolute acceleration of any point ‘P’ in a link about center of rotation ‘O’ is At 45° to PO Along PO None of the listed here Perpendicular to PO At 45° to PO Along PO None of the listed here Perpendicular to PO ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of a particle at any instant has two components i.e. radial component and tangential component. These two components will be Parallel to each other Inclined at 45° Perpendicular to each other Opposite to each other Parallel to each other Inclined at 45° Perpendicular to each other Opposite to each other ANSWER DOWNLOAD EXAMIANS APP