Theory of Machine If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to D₁ D₁.D₂ D₂/D₁ D₁/D₂ D₁ D₁.D₂ D₂/D₁ D₁/D₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The danger of breakage and vibration is maximum Below the critical speed Above the critical speed None of these Near the critical speed Below the critical speed Above the critical speed None of these Near the critical speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration is taken into account for Quick return motion mechanism All of these Slider crank mechanism Four bar chain mechanism Quick return motion mechanism All of these Slider crank mechanism Four bar chain mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The direction of linear velocity of any point on a link with respect to another point on the same link is None of the listed here Perpendicular to the link joining the points Parallel to the link joining the points At 45° to the link joining the points None of the listed here Perpendicular to the link joining the points Parallel to the link joining the points At 45° to the link joining the points ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factional torque for square thread at the mean radius r while raising load W is given by T = W.r tan(φ + α) T = W.r tanφ T = W.r tanα T = W.r tan(φ - α) T = W.r tan(φ + α) T = W.r tanφ T = W.r tanα T = W.r tan(φ - α) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cam angle is defined as the angle Moved by the cam from the instant the follower begins to rise, till it reaches its highest position During which the follower returns to its initial position Of rotation of the cam for a definite displacement of the follower Through which, the cam rotates during the period in which the follower remains in the highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position During which the follower returns to its initial position Of rotation of the cam for a definite displacement of the follower Through which, the cam rotates during the period in which the follower remains in the highest position ANSWER DOWNLOAD EXAMIANS APP