Theory of Machine A higher pair has__________. Surface contact No contact Point contact None of these Surface contact No contact Point contact None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) π/ω ω/2π ω × 2π 2π/ω π/ω ω/2π ω × 2π 2π/ω ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance apart. The two masses form an equivalent dynamical system, if All of these The center of gravity of the two masses coincides with that of the body The sum of mass moment of inertia of the masses about their center of gravity is equal to the mass moment of inertia of the body The sum of the two masses is equal to the total mass of body All of these The center of gravity of the two masses coincides with that of the body The sum of mass moment of inertia of the masses about their center of gravity is equal to the mass moment of inertia of the body The sum of the two masses is equal to the total mass of body ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose) ω² × OQ ω² × OQ sinθ ω² × OQ tanθ ω² × OQ cosθ ω² × OQ ω² × OQ sinθ ω² × OQ tanθ ω² × OQ cosθ 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 pressure angle of a cam depends upon Angle of ascent Lift of follower Offset between center lines of cam and follower All of these Angle of ascent Lift of follower Offset between center lines of cam and follower All of these ANSWER DOWNLOAD EXAMIANS APP