π (r₁ + r₂) + [(r₁ + r₂)²/x] + 2x

π (r₁ + r₂) + [(r₁ - r₂)²/x] + 2x

π (r₁ - r₂) + [(r₁ - r₂)²/x] + 2x

π (r₁ - r₂) + [(r₁ + r₂)²/x] + 2x

**The Ackermann steering mechanism is preferred to the Davis type in automobiles because****A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The total acceleration…****The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure,…****The included angle for the V-belt is usually****A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure,…****Kinematic pairs are those which have****When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in…****A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial…****In a screw jack, the effort required to lower the load W is given by****An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be…****Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of an open…****The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam,…****The instantaneous centres which vary with the configuration of mechanism are called****The maximum frictional force, which comes into play, when a body just begins to slide over the surface…****Cylindrical cams can be classified as****The velocity of the belt for maximum power is (where m = Mass of the belt in kg per metre length)****Scotch yoke mechanism is used to generate****Longitudinal vibrations are said to occur when the particles of a body moves****For fluctuating loads, well suited bearing is****In order to balance the reciprocating masses,****Which of the following is an example of a higher pair?****To obviate axial thrust, following gear drive is used****If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal…****The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, because****Klein's construction gives a graphic construction for****The frictional torque transmitted in a truncated conical pivot bearing, considering uniform wear, is****Which of the following is an inversion of a single slider crank chain?****Crowning on pulleys helps****When a point at the end of a link moves with constant angular velocity, its acceleration will have****The purpose of a link is to**