Crowning on pulleys helps

A. In increasing velocity ratio

B. In decreasing the slip of the belt

C. For automatic adjustment of belt position so that belt runs centrally

D. Increase belt and pulley life

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  2. The displacement of a flat faced follower when it has contact with the flank of a circular arc cam,…
  3. The sensitiveness of the governor __________ as the speed range decreases.
  4. Which of the following statement is wrong?
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  10. The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of…
  11. For a twin cylinder V-engine, the crank positions for primary reverse cranks and secondary direct cranks…
  12. An automobile steering gear is an example of
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  16. Which of the following statement is correct for gears?
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  18. Which of the following is a spring controlled governor?
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  20. In elliptical trammels
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  24. Angular acceleration of a link can be determined by dividing the
  25. The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass.…
  26. Elements of pairs held together mechanically is known as
  27. The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane…
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  29. Hart mechanism has
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