Theory of Machine Kinematic pairs are those which have two elements that Have surface contact Permit relative motion Are held together Have line contact Have surface contact Permit relative motion Are held together Have line contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to D₁ D₁.D₂ D₁/D₂ D₂/D₁ D₁ D₁.D₂ D₁/D₂ D₂/D₁ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For dynamic balancing of a shaft The net couple due to the dynamic forces acting on the shaft is equal to zero None of these Both (A) and (B) The net dynamic force acting on the shaft is equal to zero The net couple due to the dynamic forces acting on the shaft is equal to zero None of these Both (A) and (B) The net dynamic force acting on the shaft is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve) (m + M)/M (m + M)/m m/(m + M) M/(m + M) (m + M)/M (m + M)/m m/(m + M) M/(m + M) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam with a roller follower would constitute following type of pair Higher pair Lower pair Close pair Open pair Higher pair Lower pair Close pair Open pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an ideal machine, the output as compared to input is Less May be less or more depending on efficiency More Equal Less May be less or more depending on efficiency More Equal ANSWER DOWNLOAD EXAMIANS APP