Theory of Machine Which of the following is an open pair? Journal bearing Lead screw and nut Ball and socket joint Cam and follower Journal bearing Lead screw and nut Ball and socket joint Cam and follower 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 main disadvantage of the sliding pair is that it is Wears rapidly Both (A) and (B) above Bulky Difficult to manufacture Wears rapidly Both (A) and (B) above Bulky Difficult to manufacture ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a slider moves on a fixed link having curved surface, their instantaneous centre lies At the centre of curvature On their point of contact At the centre of circle At the pin joint At the centre of curvature On their point of contact At the centre of circle At the pin joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r tanφ r sinφ (r/2) cosφ r cosφ r tanφ r sinφ (r/2) cosφ r cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's diagram is used when Crank has uniform angular velocity Crank has nonuniform angular acceleration Crank has uniform angular acceleration Crank has nonuniform angular velocity Crank has uniform angular velocity Crank has nonuniform angular acceleration Crank has uniform angular acceleration Crank has nonuniform angular velocity ANSWER DOWNLOAD EXAMIANS APP
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