The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C.

A. 768

B. 908

C. 1400

D. 1539

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

You can do it
  1. Lead is poured into the joints between two __________ pipes.
  2. Steel & cast iron pipes are produced by __________ casting.
  3. Annealing of cast iron
  4. Gas turbine normally employs a constant __________ cycle.
  5. Highest cutting speed is achieved by the __________ tool material.
  6. Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses…
  7. The only suitable method for hardening the low carbon steel is case hardening. Which of the following…
  8. Capacity & power requirement for an air compressor working at high altitude compared to sealevel will…
  9. The minimum carbon content in steel should be __________ percent for it to respond to a hardening treatment.
  10. Minimum thermal efficiency of a steam boiler may be around __________ percent
  11. Ceramic compounds as compared to metallic compounds
  12. Carbon supply in pack carburising process is in the form of
  13. Faraday's law of electrolysis is related to the
  14. Which of the following is resistant to the action of both heat & chemicals?
  15. Inertial forces are obtained, when the elastic forces are multiplied by __________ number.
  16. Liquor poisoning generally occurs due to the presence of __________ in it.
  17. Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)
  18. Sudden fall of atmospheric pressure by a large amount is an indication of the
  19. The most important consideration in value engineering is the
  20. An example of unsteady non uniform flow is the flow of liquid under pressure through a
  21. A jig is used while __________ a hole.
  22. Baffles provided on the shell side of a shell and tube heat exchanger are meant for
  23. In extrusion of metals, which of the following statement is true?
  24. The best guide to judge the general quality of water is the measurement of its
  25. Out of the following, the alloy which has equal percentage of constituents, is
  26. Oxyacetylene reducing flame is used while carrying out welding on
  27. When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature…
  28. Increase in temperature, in general results in the
  29. Pick out the wrong conversion of absolute & kinematic viscosities.
  30. Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other…