Brittleness induced due to the presence of sulphur in steel can be reduced by adding

A. Manganese

B. Magnesium

C. Vanadium

D. Copper

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

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  1. The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.
  2. To counteract the bad effects of strain hardening on a cold formed part, it must be
  3. Case hardening is not done by
  4. Change in volume of metals from absolute zero temperature to their melting points is
  5. Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.
  6. Maraging steels derive their strength from the following mechanism:
  7. The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of…
  8. Austempering process results in the formation of __________ structure.
  9. The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a…
  10. __________ cannot increase the fatigue strength of a material.
  11. Pick out the wrong statement.
  12. Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the…
  13. Induced draft fans provided in large thermal power plant boilers have __________ blades.
  14. Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.
  15. Inertial forces are obtained, when the elastic forces are multiplied by __________ number.
  16. Basic open hearth furnace (BOF) is not used for producing __________ steel.
  17. Cold working of a material results in increase in hardness, which is termed as the __________ hardening.
  18. Oxyacetylene reducing flame is used while carrying out welding on
  19. The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and…
  20. The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume :…
  21. __________ is used as a material of construction for the blade of power saw.
  22. Screws are specified by their __________ diameters.
  23. Consideration of the creep is the most important in case of the
  24. Hot extrusion of aluminium is done in the temperature range of __________ °C.
  25. The delivery pressure of boiler feed water pump compared to the boiler steam pressure is
  26. Theoretical volume of oxygen required for complete combustion of 1Nm3 of acetylene, in oxyacetylene…
  27. Otto cycle used in spark ignition petrol engines is also known as the constant __________ cycle.
  28. Out of the following, the most malleable material is
  29. On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the…
  30. Steel is welded using the __________ flame.