An abrupt and sudden fall in the reading of barometer is an indication of the

A. Storm

B. Rain

C. Clear weather

D. Cold wave

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

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  1. The amount of different substances produced, when the same quantity of electricity is passed through…
  2. Which of the following metals is not subjected to electrolytic refining/purification?
  3. Broaching tools are usually made of
  4. Which of the following is not an ore of copper?
  5. Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the…
  6. Which of the following is prone to cup and cone fracture?
  7. Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by
  8. The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.
  9. LVDT used for displacement measurement is a/an __________ transducer.
  10. Projection welding & stud welding is categorised as the __________ welding.
  11. One ton of refrigeration is not equivalent to the heat removal rate of
  12. __________ metal is used as a bearing liner material.
  13. Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.
  14. The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.
  15. __________ are normally subjected to sub-zero treatment.
  16. The function of neutral flux used in the pyrometallurgy of metal extraction is to increase the __________…
  17. M10 index of coke indicates its
  18. The lightest non-inflammable gas is
  19. The property of material, by which a given amount of energy is absorbed by it without plastic deformation,…
  20. Electrometallurgical methods of metal extraction is normally used for those metals
  21. Nitriding of a steel part does not increase its
  22. __________ joint is mostly used for joining pipes carrying water at low pressure.
  23. Inertial forces are obtained, when the elastic forces are multiplied by __________ number.
  24. Batch process is preferred over continuous process, when the
  25. Colour comparator is used to measure the
  26. For an ideal gas, Cp - Cv is
  27. Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v2)] (V - b) = RT, depends…
  28. Out of the following the refractive index is the highest for
  29. Absolute zero pressure can be attained at a temperature of
  30. Pick out the wrong statement.