Projection welding & stud welding is categorised as the __________ welding.

A. Pressure

B. Thermit

C. Resistance

D. Arc

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

You can do it
  1. Angular displacement can be measured suitably by a
  2. Which of the following forces does not act on a fluid at rest?
  3. Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.
  4. __________ is the hardest material out of the following.
  5. Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v2)] (V - b) = RT, depends…
  6. __________ remains constant during the adiabatic cooling of moist air.
  7. Co-efficient of performance of a Carnot cycle refrigerator operating between - 23°C and + 27°C…
  8. A high pressure boiler generates steam at a pressure greater than __________ kg/cm2.
  9. In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer…
  10. Hot extrusion process is not used for making
  11. While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________…
  12. Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be
  13. Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.
  14. The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used.…
  15. Annealing of white cast iron produces __________ iron.
  16. Pick out the wrong statement.
  17. Pick out the wrong statement.
  18. Window panes of aeroplanes are normally made of
  19. Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.
  20. Yield strength of a material is determined by the __________ test.
  21. In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which…
  22. Function of gear box is to
  23. Materials having resistivity ranging from 1 to 100 ohm. cm is termed as
  24. Percentage of argon (by volume) in dry atmospheric air is about
  25. Normalising of an object does not
  26. Lead is poured into the joint between two- __________ pipes.
  27. Lead is poured into the joints between two __________ pipes.
  28. In multipass welds, shot peening is done after each pass to
  29. Thermistors are used in __________ devices.
  30. The cathode in an electrochemical cell always carries