Steel produced from phosphatic iron is __________ in nature.

A. Malleable

B. Ductile

C. Brittle

D. Tough

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

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  2. In connection with corrosion of metals, passivation is the process that
  3. For the Stoke's law to be valid in the case of a falling sphere in a fluid, the
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  5. The transition temperature at which all the ferromagnetic materials become paramagnetic materials is…
  6. Basic open hearth furnace (BOF) is not used for producing __________ steel.
  7. Brazing filler metal used for joining steel plates
  8. Steels with high carbon equivalent have poor Weldability, because in these steels during welding
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  10. Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented…
  11. Use of flux during soldering is done to
  12. The dew point of moist air becomes __________ with decrease in its relative humidity.
  13. One ton of refrigeration is not equivalent to the heat removal rate of
  14. Which of the following is used to produce draught in the locomotive boilers?
  15. Which of the following is not an explosive?
  16. The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.
  17. Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other…
  18. Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about
  19. Which of the following is a boiler accessory i.e., not a boiler mounting?
  20. Pick out the wrong statement
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  23. The surface tension of a liquid, at critical temperature is
  24. The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________…
  25. __________ cannot increase the fatigue strength of a material.
  26. Hot extrusion process is not used for making
  27. Secondary hardening in steels arises out of the
  28. Brittleness induced due to the presence of sulphur in steel can be reduced by adding
  29. Pick out the wrong statement.
  30. During sensible cooling of air, its wet bulb temperature