Steel balls are manufactured by

A. Sintering

B. Casting

C. Cold heading

D. Spinning

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

You can do it
  1. __________ pipe is the most suitable for carrying sanitary drainage.
  2. The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring…
  3. Which of the following is an acidic constituent of B.F. slag?
  4. Sand used to stop the green sand from sticking to the pattern is termed as the __________ sand.
  5. Starting friction is low in case of the __________ lubrication.
  6. Stellite is a __________ material.
  7. Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing…
  8. Tip of the match stick contains a mixture of
  9. Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
  10. Specific gravity of hot metal (pig iron) is __________ times that of the blast furnace slag.
  11. In the acid Bessemer process, the hot metal should have the following composition.
  12. Work study deals with the __________ study.
  13. __________ number determines whether the fluid flow in an open channel is supercritical, critical or…
  14. Maximum permissible sulphur content in steel is __________ percent.
  15. Which of the following is not a characteristic observed in material failure by fatigue fracture?
  16. The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.
  17. Load cells used for the measurement of weight has
  18. Austempering process results in the formation of __________ structure.
  19. Which of the following processes follows the hardening process for reducing the hardening strains &…
  20. The stress at which extension of the material takes place more rapidly as compared to the increase in…
  21. A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle…
  22. The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of…
  23. The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling…
  24. Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.
  25. Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?
  26. Dies for wire drawing are generally made of
  27. __________ can replace tungsten in high speed steel.
  28. Drossing is a __________ operation.
  29. The specific gravity of coal depends mainly on its __________ content.
  30. Which of the following is not a dielectric material?