Theory of Machine The velocity of a body moving with simple harmonic motion is __________ at the mean position. Minimum Zero None of these Maximum Minimum Zero None of these Maximum 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 = 2(l - 1) - 2j n = 3(l - 1) - 2j n = (l -1) - j n = 4(l - 1) - 3j n = 2(l - 1) - 2j n = 3(l - 1) - 2j n = (l -1) - j n = 4(l - 1) - 3j ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as Logarithmic decrement Magnification factor Damping factor Damping coefficient Logarithmic decrement Magnification factor Damping factor Damping coefficient ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Governor is used in automobile to Maintain constant engine speed Maximize the fuel economy Limit the vehicle speed Decrease the variation of speed Maintain constant engine speed Maximize the fuel economy Limit the vehicle speed Decrease the variation of speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Difficult to manufacture Bulky Both (A) and (B) above Wears rapidly Difficult to manufacture Bulky Both (A) and (B) above Wears rapidly ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of spherical pair is Ball bearing and roller bearing Bolt and nut Ball and socket joint Lead screw of a lathe Ball bearing and roller bearing Bolt and nut Ball and socket joint Lead screw of a lathe ANSWER DOWNLOAD EXAMIANS APP