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Which of the following gases cause global warming?

A. Carbon monoxide

B. Carbon dioxide

C. Nitrogen

D. Ozone

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

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  1. Cupola produces __________ iron.
  2. The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is…
  3. Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be…
  4. Tin based white metals are used, where bearings are subjected to
  5. Which one of the following is incombustible?
  6. __________ rubber is generally used for making 'O' rings used for vacuum sealings.
  7. Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.
  8. The boiling & freezing points on a newly defined temperature scale in degree 'D' are 400°D & 100°D…
  9. When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature…
  10. During sensible cooling of air, its wet bulb temperature
  11. Material of construction of foundry crucible is
  12. Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing…
  13. In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which…
  14. Which of the following metals is the most prone to work hardening?
  15. Angular displacement can be measured suitably by a
  16. The 'laughing gas' is
  17. __________ fluid force is not considered in the Navier-Stokes equation.
  18. Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid…
  19. Air-petrol ratio in an automotive petrol engine is around
  20. Carbon supply in pack carburising process is in the form of
  21. Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts…
  22. Drills are usually made of
  23. The product out from a cupola is called
  24. Fatigue resistance of a material is measured by the
  25. The emf of a Deniell cell Zn | Zn2+ || Cu2+ | Cu can be increased by
  26. __________ property of steel increases by addition of large amount of silicon in it.
  27. Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.
  28. L.D. (Linz-Donawitz) converter is used in the production of
  29. Which of the following equipments is used for liquid dispersion?
  30. Temper brittleness of a material can be fairly detected by the __________ test.