Theory of Machine Open pairs are those which have Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed Decreases Remain unaffected Increases First increases and then decreases Decreases Remain unaffected Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be 0, and more than co2r 0, 0 cor, 0 0, and less than coV 0, and more than co2r 0, 0 cor, 0 0, and less than coV ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 2 1 0.25 0.5 2 1 0.25 0.5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following can completely balance several masses revolving in different planes on a shaft? Two masses in any two planes Two equal masses in any two planes A single mass in different planes A single mass in one of the planes of the revolving masses Two masses in any two planes Two equal masses in any two planes A single mass in different planes A single mass in one of the planes of the revolving masses ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Creep in belt drive is due to Material of the pulley Larger size of the driver pulley Material of the belt Uneven extensions and contractions due to varying tension Material of the pulley Larger size of the driver pulley Material of the belt Uneven extensions and contractions due to varying tension ANSWER DOWNLOAD EXAMIANS APP
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