Theory of Machine The lower pairs are _________ pairs. Friction closed Self-closed None of these Force-closed Friction closed Self-closed None of these Force-closed 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) μwr ¾μWR ½μWR ²/₃ μWR μwr ¾μWR ½μWR ²/₃ μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time of one oscillation for a simple pendulum is 2π. √(g/l) 2π. √(l/g) (1/2π). √(l/g) (1/2π). √(g/l) 2π. √(g/l) 2π. √(l/g) (1/2π). √(l/g) (1/2π). √(g/l) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the Angular velocity of journal Clearance between journal and bearing Radius of journal Magnitude of the forces on journal Angular velocity of journal Clearance between journal and bearing Radius of journal Magnitude of the forces on journal ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve) c (m - M) g c/(m - M) g c (m + M) g c/(m + M) g c (m - M) g c/(m - M) g c (m + M) g c/(m + M) g ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to 180° and 270° 45° and 225° 90° and 180° 270° and 360° 180° and 270° 45° and 225° 90° and 180° 270° and 360° ANSWER DOWNLOAD EXAMIANS APP