1 link with pin joints

2 links with pin joints

3 links with pin joints

4 links with pin joints

**3.The retardation of a flat faced follower when it has contact at the apex of the nose of a circular…****If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal…****Which of the following statement is correct for involute gears?****The primary unbalanced force is maximum _________ in one revolution of the crank.****The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. This may…****The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the…****In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing…****The fundamental equation for correct steering is (where φ and α = Angle through which the…****The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt)…****In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and…****The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ =…****Effort of a governor is the****When brakes are applied to all the four wheels of a moving car, the distance travelled by the car before…****Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is****ABCD is a four bar mechanism in which AB = 310 mm and CD = 450 mm. AB and CD are both perpendicular…****The acceleration of the reciprocating roller follower when it has contact with the straight flanks of…****The mechanism in which two are turning pairs and two are sliding pairs, is called a****The absolute acceleration of any point P in a link about center of rotation O is****The secondary unbalanced force is __________ the primary unbalanced force.****The secondary unbalanced force is maximum __________ in one revolution of the crank.****The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle)****The Klein's method of construction for reciprocating engine mechanism****In S.H.M., the velocity vector w.r.t. displacement vector****In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted…****A circular bar moving in a round hole is an example of****Cylindrical cams can be classified as****A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism…****For the same lift and same angle of ascent, a smaller base circle will give****The maximum or minimum value of the swaying couple is****The swaying couple is due to the**