Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of a cross belt drive. The length of the belt is
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