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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. Drills are usually made of
  2. In TIG welding, thoriated tungsten electrodes are used, because it
  3. Mho's scale of hardness, which consists of 10 standard minerals is used for the measurement of __________…
  4. Leakage in a cooking gas cylinder is detected by
  5. Hardening of steel is not possible, unless it is heated __________ critical point.
  6. The minimum temperature to which the water can be cooled in a cooling tower is the __________ temperature…
  7. In electrical resistance welding, distortion results from the use of improper
  8. When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the
  9. Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.
  10. Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well.…
  11. The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm2.
  12. The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume :…
  13. Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts…
  14. __________ is the hardest material out of the following.
  15. Gratings is associated with the measurement of
  16. Evaporative cooling process employs a combination of cooling and humidification in which the
  17. Pick out the correct statement
  18. Eutectoid composition of carbon steel at room temperature is
  19. __________ is used for tying the steel columns to concrete foundation.
  20. Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
  21. A dummy activity is used in PERT network to describe the
  22. Spark plug is provided in a/an
  23. Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid…
  24. Oxyacetylene reducing flame is used while carrying out welding on
  25. Natural water contains approximately __________ percent of heavy water.
  26. Routing in production, planning & control is concerned with the
  27. __________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.
  28. Which of the, following is not associated with the functioning of a petrol engine?
  29. The two elements required to form substitutional solid solution should not have
  30. If the demand for an item is trebled and the order cost is reduced to one third, then the economic order…