Nickel and __________ are the alloying element added in steel to increase its toughness.

A. Molybdenum

B. Chromium

C. Vanadium

D. Silicon

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

You can do it
  1. About __________ ton of coke is required in a cupola to produce one ton of casting.
  2. Which of the following is not a principal alloying element for the structural steel?
  3. Which of the following does not discharge the dust collected as a dry solid?
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  12. The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.
  13. Which of the following hardness tests does not measure the indentation hardness of metals and alloys?
  14. The most important consideration, while designing the refrigeration system of an aircraft is that the…
  15. Silicon percentage in the silicon steel used for electrical appliances/equipments is
  16. For dynamic strain measurement, the Wheatstone bridge used is of __________ type.
  17. Which of the following is an example of cathodic protection of metals against corrosion?
  18. The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and…
  19. Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e.…
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  21. Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic…
  22. More than 95% of __________ is present in corundum.
  23. Which of the following is preferred for riveting?
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