Unbalanced couples are caused only at higher speeds

Unbalanced forces are not dangerous at higher speeds

Effects of unbalances are proportional to the square of the speed

Effects of unbalances are directly proportional to the speed

**The equivalent length of a simple pendulum which gives the same frequency as a compound pendulum is****The following is the inversion of slider crank chain mechanism****The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon…****A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial…****The primary unbalanced force is maximum when the angle of inclination of the crank with the line of…****The example of lower pair is****Torsional vibrations are said to occur when the particles of a body moves****For high speed engines, the cam follower should move with****The face of the tooth is the****TJIE horse power transmitted by a belt is dependent upon****The periodic time is given by (where ω = Angular velocity of the particle in rad/s)****A pantograph is a mechanism with****If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for…****A cam mechanism imparts following motion****To transmit power from one rotating shaft to another whose axes are neither parallel nor intersecting,…****In a rigid link OA, velocity of A w.r.t. O will be****The product of the diametral pitch and circular pitch is equal to****For an involute gear, the ratio of base circle radius and pitch circle radius is equal to****A Hartnell governor is a****The included angle for the V-belt is usually****Power of a governor is the****The velocity of the belt for maximum power is (where m = Mass of the belt in kg per metre length)****The magnitude of linear velocity of a point B on a link AB relative to point A is (Where ω = Angular…****In multi V-belt transmission, if one of the belt is broken, we have to change the****The displacement of the reciprocating roller follower, when it has contact with the straight flanks…****In a pantograph, all the pairs are****The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness…****The instantaneous centre of a rigid thin disc rolling on a plane rigid surface is located at****A watt's governor can work satisfactorily at speeds from****In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line…**