Theory of Machine The direction of Coriolis component of acceleration is the direction Along perpendicular to angular velocity Along tangential acceleration Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link Along the centripetal acceleration Along perpendicular to angular velocity Along tangential acceleration Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link Along the centripetal acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is 1/8 1/24 4/15 12 1/8 1/24 4/15 12 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A chain comprises of 5 links having 5 joints. Is it kinematic chain? No Data are insufficient to determine it Yes It is a marginal case No Data are insufficient to determine it Yes It is a marginal case 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 Free vibration without damping Forced vibration with damping Forced vibration without damping Free vibration with damping Free vibration without damping Forced vibration with damping Forced vibration without damping Free vibration with damping ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Critical damping is a function of Damping coefficient and natural frequency Mass and stiffness Mass and natural frequency Mass and damping coefficient Damping coefficient and natural frequency Mass and stiffness Mass and natural frequency Mass and damping coefficient ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is Soundness would depend upon which link is kept fixed Not sound Kinematically sound Data is not sufficient to determine same Soundness would depend upon which link is kept fixed Not sound Kinematically sound Data is not sufficient to determine same ANSWER DOWNLOAD EXAMIANS APP