Theory of Machine If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the 1.5 1 0.5 2 1.5 1 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Watt’s mechanism Grasshopper mechanism Robert’s mechanism Peaucellier’s mechanism Watt’s mechanism Grasshopper mechanism Robert’s mechanism Peaucellier’s mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum _________ in one revolution of the crank. Eight times Twice Sixteen times Four times Eight times Twice Sixteen times Four times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. The number of turns made by the smaller gear for one revolution of arm about the centre of bigger gear is 2 5 4 3 2 5 4 3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between number of links (l) and number of joints (j) in a kinematic chain is l = (1/2).(j + 2) l = (3/4).(j + 3) l = j + 4 l = (2/3).(j + 2) l = (1/2).(j + 2) l = (3/4).(j + 3) l = j + 4 l = (2/3).(j + 2) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links and instantaneous centers in a reciprocating engine mechanism are 4, 4 5, 4 4, 5 4, 6 4, 4 5, 4 4, 5 4, 6 ANSWER DOWNLOAD EXAMIANS APP