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The arms of the pulleys for flat belt drive have

A. Elliptical cross-section

B. Major axis in plane of rotation

C. Major axis twice the minor axis

D. All the three characteristics

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

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  1. A bolt is designed on the basis of __________ with a large factor of safety.
  2. The centrifugal tension in belts
  3. Buttress threads are usually found on
  4. The width of the pulley should be __________ width of the belt.
  5. According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet…
  6. The helix angle for single helical gears ranges from
  7. In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that
  8. Which of the following pipe joints would be suitable for pipes carrying steam?
  9. When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic…
  10. The included angle for the British Association thread is
  11. Which of the following statement is correct?
  12. A steel containing __________ 0.8% carbon is known as hypoeutectoid steel.
  13. The creep in the belt is due to
  14. The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled…
  15. The strength of a riveted joint is equal to
  16. For circumferential joint in boilers, the type of joint used is
  17. The material commonly used for machine tool bodies is
  18. Which process will increase the fatigue duration of parts?
  19. In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged…
  20. The material used for brake lining should have __________ coefficient of friction.
  21. If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed…
  22. Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic…
  23. A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are…
  24. In leaf springs, the longest leaf is known as
  25. A flange coupling is used to connect two shafts
  26. The included angle between the sides of V-belt is
  27. The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G =…
  28. When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of…
  29. Pick up wrong statement. Fatigue strength can be increased by
  30. In nitrated parts, the origins of the fatigue cracks will occur at