The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

A. 60 - 100

B. 400 - 700

C. 1200 -1500

D. 2000 - 2300

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

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  1. Pick out the wrong statement.
  2. The emf of a Deniell cell Zn | Zn2+ || Cu2+ | Cu can be increased by
  3. Primary designation of steel is based on its
  4. Optical activity is a/an __________ property.
  5. Difference at any instant between the value of the controlled variable and the set point is called the
  6. Which of the following materials has the least scrap value?
  7. Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
  8. The following type of bonding is strongly directional in solids.
  9. Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial…
  10. Young's modulus of a material is the measure of its
  11. Which of the following is an unconventional source of energy?
  12. Material of construction of foundry crucible is
  13. Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2. Then the outcoming steam…
  14. Which of the following is prone to cup and cone fracture?
  15. Pipelines carrying various utilities in chemical industries are identified by their colour codes. The…
  16. The product out from a cupola is called
  17. The mechanism which changes the value of manipulated variable in response to the output signal from…
  18. A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec2 is
  19. Pick out the correct statement about the condensation.
  20. Yield strength of a material is determined by the __________ test.
  21. Drossing is a __________ operation.
  22. For preparation of porous bearings by powder metallurgy, preferred particle shape is
  23. Capacity & power requirement for an air compressor working at high altitude compared to sealevel will…
  24. Function of gear box is to
  25. Silicon percentage in acid resistant cast iron is about
  26. Pick out the wrong statement.
  27. Diffusion co-efficient of a metal in a solid solution depends upon its
  28. With decrease in the grain size of a material, its creep resistance
  29. A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C…
  30. Dislocation cross-slip is difficult in those materials, which have