Super conduction in metals is observed at a temperature of __________ °K.

A. <100

B. >100

C. About 273

D. About 373

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

You can do it
  1. Pick out the wrong conversion of absolute & kinematic viscosities.
  2. Change in volume of metals from absolute zero temperature to their melting points is
  3. The 'laughing gas' is
  4. Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is…
  5. Ultimate strength in tension as compared to that in shear for steel is
  6. The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost…
  7. Oxide layer formed on the non-ferrous metal surface after its annealing is
  8. __________ is used as a material of construction for the blade of power saw.
  9. The most detrimental impurity in high pressure boiler feed water is
  10. Annealing of white cast iron produces __________ iron.
  11. Methyl orange indicator turns
  12. The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring…
  13. Gratings is associated with the measurement of
  14. Silicon percentage in the silicon steel used for electrical appliances/equipments is
  15. Use of water as a manometric liquid suffers from the disadvantage of its
  16. An alloy of Fe - 0.4 % C is
  17. Preheating before welding is done to
  18. Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses…
  19. Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines?
  20. Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.
  21. Wood is a/an __________ material.
  22. At absolute zero temperature, for any reaction involving condensed phases
  23. Cold heading or upsetting is categorised as the __________ process.
  24. Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when…
  25. The most serious manufacturing defect from fracture toughness point of view is
  26. In connection with corrosion of metals, passivation is the process that
  27. Thermal efficiency of an internal combustion engine is around __________ percent.
  28. __________ is the process used for setting up compressive stresses in the surface of a metal to improve…
  29. Potable water means the water used for
  30. Brazing is the joining of metals