Theory of Machine The relation between number of links (l) and number of joints (j) in a kinematic chain is l = (2/3).(j + 2) 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Wears rapidly Difficult to manufacture Both (A) and (B) above Bulky Wears rapidly Difficult to manufacture Both (A) and (B) above Bulky ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Hooke's joint consists of: Four forks Three forks One fork Two forks Four forks Three forks One fork Two forks ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is 90° 270° 180° 0° 90° 270° 180° 0° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx = F.cosω.t with usual notations. It represents Forced vibration without damping Free vibration with damping Free vibration without damping Forced vibration with damping Forced vibration without damping Free vibration with damping Free vibration without damping Forced vibration with damping ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 20 10 34 30 20 10 34 30 ANSWER DOWNLOAD EXAMIANS APP