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  1. The rolling process cannot be used to produce
  2. Which of the following fastening devices has a head at one end and a nut fitted to the other?
  3. Ammonia gas can be dried by
  4. Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of
  5. The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the…
  6. Lead is poured into the joint between two __________ pipes.
  7. A dense structure of grinding wheel is not used for the
  8. For preparation of porous bearings by powder metallurgy, preferred particle shape is
  9. The material used for coating the welding electrode is termed as the
  10. To improve the machinability of steel, it is generally subjected to
  11. The most suitable material of construction for a sewer to carry sewage under high pressure is
  12. Water-tube boiler is the one, in which
  13. __________ is not used as a material of construction in thermocouples.
  14. Identify the false statement
  15. Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot
  16. Difference at any instant between the value of the controlled variable and the set point is called the
  17. Fibre glass is a composite material of
  18. The life of a ball bearing is inversely proportional to
  19. Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts…
  20. Tin based white metals are used, where bearings are subjected to
  21. A form of stress corrosion failure termed as 'season cracking' is generally observed in
  22. Gratings is associated with the measurement of
  23. In electrical resistance welding, distortion results from the use of improper
  24. Tip of the match stick contains a mixture of
  25. Particle nature of cathode rays is proved due to the fact that they
  26. Which of the following gases cause global warming?
  27. Iron content in Indian iron ore is about __________ percent.
  28. __________ cannot increase the fatigue strength of a material.
  29. With increase in temperature, the electrical conductivity of semiconductors
  30. Steels with high carbon equivalent have poor Weldability, because in these steels during welding