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A hot short metal is

A. Brittle when cold

B. Brittle when hot

C. Brittle under all conditions

D. Ductile at high temperature

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

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  1. Two shafts A and B under pure torsion are of identical length and identical weight and are made of the…
  2. Which is positive drive?
  3. In oilness bearings
  4. The stress induced in the belt is,
  5. The resilience of a bolt may be increased by
  6. The process which improves the machinability of steels, but lowers the hardness and tensile strength…
  7. If the centre distance of the mating gears having involute teeth is increased, then the pressure angle
  8. A key made from a cylindrical disc having segmental cross-section, is known as
  9. The number of slots in a 25 mm castle nut is
  10. Eulers formula for a mild steel column is not valid if the slenderness ratio is
  11. Which of the following statement is correct?
  12. In skew bevel gearing, the axes of shafts are
  13. The product of the diametral pitch and circular pitch is equal to
  14. A single strap butt joint is always in __________ shear.
  15. Set screws are
  16. The pipe joint mostly used for pipes carrying water at low pressures is
  17. An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be…
  18. The face of the tooth is the
  19. In hydrodynamic bearings
  20. A key way lowers
  21. In unilateral system of tolerance, the tolerance is allowed on
  22. Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d…
  23. In designing a key, it is assumed that the distribution of forces along the length of key
  24. A tube has the following advantage over pipe
  25. Gear box is used
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  27. For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be
  28. Idler pulley is used for
  29. Lewis equation in gears is used to find the
  30. Cap screws are