The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁ and r₂ = External and internal radii of collar respectively)

A. (1/2) μ W (r₁ + r₂)

B. (2/3) μ W (r₁ + r₂)

C. (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

D. (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

Related Questions

  1. The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given…
  2. In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted…
  3. In gramophones for adjusting the speed of the turntable, the following type of governor is commonly…
  4. The periodic time is given by (where ω = Angular velocity of the particle in rad/s)
  5. A point on a link connecting double slider crank chain traces a
  6. A cam mechanism imparts following motion
  7. The swaying couple is due to the
  8. In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line…
  9. Sense of tangential acceleration of a link
  10. The unbalanced force due to reciprocating masses
  11. An automobile steering gear is an example of
  12. Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of a cross…
  13. In a gear having involute teeth, the normal to the involute is a tangent to the
  14. In a band and block brake, the ratio of tensions on tight side and slack side of the band is (where…
  15. Two systems shall be dynamically equivalent when
  16. A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping…
  17. Kinematic pairs are those which have
  18. A chain comprises of 5 links having 5 joints. Is it kinematic chain?
  19. The advantage of the piston valve over the slide valve is that in the former case
  20. If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal…
  21. Bifilar suspension method is used to find the
  22. Transmission angle is the angle between
  23. Efficiency of a screw jack is given by
  24. A system in dynamic balance implies that
  25. If there are L number of links in a mechanism, then number of possible inversions is equal to
  26. In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given…
  27. Flexible coupling is used because
  28. The periodic time of one oscillation for a simple pendulum is
  29. In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam…
  30. The size of cam depends upon

Please do not use chat terms. Example: avoid using "grt" instead of "great".