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The ball bearings are, usually, made from

A. Low carbon steel

B. High carbon steel

C. Medium carbon steel

D. High speed steel

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

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  1. The endurance limit of a material with finished surface in comparison to rough surface is
  2. In radial cams, the follower moves
  3. The material used for brake lining should have __________ coefficient of friction.
  4. The piston rod of a steam engine is usually connected to the crosshead by means of
  5. The draw of cotter need not exceed
  6. In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that
  7. A transmission shaft includes
  8. Transverse fillet welded joints are designed for
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  10. The valve rod in a steam engine is connected to an eccentric rod by
  11. The resultant axial load on a bolt depends upon
  12. In static loading, stress concentration is more serious in
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  14. The arms of the pulleys for flat belt drive have
  15. A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved…
  16. The number of slots in a 25 mm castle nut is
  17. Aircraft body is usually fabricated by
  18. The plasticity is the property of a material which enables it to
  19. If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting…
  20. The steel pulleys are __________ in weight than cast iron pulleys of the same capacity.
  21. A bench vice has following type of threads
  22. The pitch diameter is the __________ diameter of an external or internal screw thread.
  23. For general industrial machinery, the ratio of the length of journal to its diameter is taken as
  24. A localised compressive stress at the area of contact between two members is known as
  25. Rankine Gordon formula for buckling is valid for
  26. Which of the following statement is wrong?
  27. Which of the following statement is correct?
  28. The radial distance of a tooth from the pitch circle to the top of the tooth is called
  29. Silver based solder is used for
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