Theory of Machine Two systems shall be dynamically equivalent when G. of two coincides All of these The mass of two are same M.I. of two about an axis through e.g. is equal G. of two coincides All of these The mass of two are same M.I. of two about an axis through e.g. is equal ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Instantaneous center of rotation of a link in a four bar mechanism lies on Left side pivot of this link Right side pivot of this link A point obtained by intersection on extending adjoining links Can’t occur Left side pivot of this link Right side pivot of this link A point obtained by intersection on extending adjoining links Can’t occur ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Leads by 90° Leads by 180° Lags by 90° Are in phase Leads by 90° Leads by 180° Lags by 90° Are in phase ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 12,000 r.p.m. 5,367 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 6,000 r.p.m. 9,360 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Efficiency of a screw jack is given by tan (α - φ)/tanα tanα/tan (α +φ) tan (α + φ)/tanα tanα/tan (α - φ) tan (α - φ)/tanα tanα/tan (α +φ) tan (α + φ)/tanα tanα/tan (α - φ) 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 = j + 4 l = (3/4).(j + 3) l = (2/3).(j + 2) l = (1/2).(j + 2) l = j + 4 l = (3/4).(j + 3) l = (2/3).(j + 2) l = (1/2).(j + 2) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS