Theory of Machine In its simplest form, a cam mechanism consists of following number of links 2 3 1 4 2 3 1 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called Neither fixed nor permanent instantaneous centers Fixed instantaneous centers None of these Permanent instantaneous centers Neither fixed nor permanent instantaneous centers Fixed instantaneous centers None of these Permanent instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The inversion of a mechanism is Obtained by fixing different links in a kinematic chain Changing of a higher pair to a lower pair Turning its upside down Obtained by reversing the input and output motion Obtained by fixing different links in a kinematic chain Changing of a higher pair to a lower pair Turning its upside down Obtained by reversing the input and output motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Grubler's criterion for determining the degrees of freedom (n) of a mechanism having plane motion is (where l = Number of links, and j = Number of binary joints) n = (l -1) - j n = 2(l - 1) - 2j n = 3(l - 1) - 2j n = 4(l - 1) - 3j n = (l -1) - j n = 2(l - 1) - 2j n = 3(l - 1) - 2j n = 4(l - 1) - 3j ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will Oscillate with decreasing amplitude Oscillate with increasing time period Oscillate with constant amplitude Return to equilibrium position without oscillation Oscillate with decreasing amplitude Oscillate with increasing time period Oscillate with constant amplitude Return to equilibrium position without oscillation ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Whitworth quick return motion mechanism is formed in a slider crank chain when the Smallest link is a fixed link Coupler link is fixed Longest link is a fixed link Slider is a fixed link Smallest link is a fixed link Coupler link is fixed Longest link is a fixed link Slider is a fixed link ANSWER DOWNLOAD EXAMIANS APP