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**In S.H.M., the velocity vector w.r.t. displacement vector****If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for…****The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt)…****Kinematic pairs are those which have****In involute gears, the pressure angle is****The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity…****The contact ratio is the ratio of****The component of the acceleration, perpendicular to the velocity of the particle, at the given instant…****When one of the links of a kinematic chain is fixed, the chain is known as a****A body is said to be under forced vibrations, when****The maximum efficiency of a screw jack is****The partial balancing of reciprocating parts in locomotives produces****A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial…****The Ackermann steering mechanism is preferred to the Davis type in automobiles because****The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁…****Throw of a cam is the maximum distance of the follower from****If the damping factor for a vibrating system is unity, then the system will be****Which of the following governor is used to drive a gramophone?****The Coriolis component of acceleration acts****In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line…****To transmit power from one rotating shaft to another whose axes are neither parallel nor intersecting,…****The centre of percussion is below the centre of gravity of the body and is at a distance equal to****A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected…****In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and…****Which one of the following is an exact straight line mechanism using lower pairs?****In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation…****When a point at the end of a link moves with constant angular velocity, its acceleration will have****Power of a governor is the****The stress induced in a body will be shear stress, when it is subjected to****The arrangement is called bevel gearing, when two __________ are connected by gears.**