Home

Theoretical volume of oxygen required for complete combustion of 1Nm3 of acetylene, in oxyacetylene welding is __________ Nm3.

A. 0.5

B. 1

C. 1/3

D. 2.5

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

You can do it
  1. The leaching solvent used in Baeyer's process for the purification of bauxite is
  2. Fibre reinforced plastic (FRP) are
  3. Propulsion of rocket follows from the
  4. Unbreakable crockeries are made from __________ polymers.
  5. Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement.…
  6. In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular…
  7. Steel is welded using the __________ flame.
  8. Cold heading or upsetting is categorised as the __________ process.
  9. Gas turbine normally employs a constant __________ cycle.
  10. With decrease in the grain size of a material, its creep resistance
  11. Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare…
  12. Sand used to stop the green sand from sticking to the pattern is termed as the __________ sand.
  13. Load cells used for the measurement of weight has
  14. Encyclopaedia of Chemical Technology has been
  15. Which of the following materials has the least scrap value?
  16. Which of the following phenomenon will exhibit the minimum heat transfer?
  17. __________ is the trade name assigned to a nonferrous cast alloy composed of cobalt, chromium & tungsten.
  18. Maximum hardenability of steel depends upon its
  19. In the acid Bessemer process, the hot metal should have the following composition.
  20. Pick out the wrong statement.
  21. Dies for wire drawing are generally made of
  22. Presence of nickel & chromium in steel does not raise its
  23. The mechanism involved in the removal of metal in drilling operation is by
  24. The following type of bonding is strongly directional in solids.
  25. Lead is poured into the joint between two __________ pipes.
  26. The excess air required for the combustion of pulverised coal is of the order of about __________ percent.
  27. Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of
  28. Oxyacetylene reducing flame is used while carrying out welding on
  29. The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.
  30. The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong