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  1. The product of a commercial direct reduction process is
  2. __________ is used as a material of construction for the blade of power saw.
  3. Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical…
  4. Carnot cycle is also termed as the constant __________ cycle in thermodynamics.
  5. __________ iron is produced by the annealing of white cast iron.
  6. Cemented carbide tools are not suitable for cutting
  7. Encyclopaedia of Chemical Technology has been
  8. The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________…
  9. Joule-Thomson co-efficient is the ratio of
  10. Pipelines carrying various utilities in chemical industries are identified by their colour codes. The…
  11. Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil,…
  12. With increase in temperature, the electrical conductivity of semiconductors
  13. Austempering process results in the formation of __________ structure.
  14. A solar cell converts the sunlight directly into __________ energy.
  15. Pick out the wrong statement.
  16. Young's modulus of a material is the measure of its
  17. Copper deposits are found in India at the following location:
  18. For the Stoke's law to be valid in the case of a falling sphere in a fluid, the
  19. During sensible heating of humid air
  20. Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts…
  21. Notched bar test is used for testing the __________ of a material.
  22. The following thermocouple may be used for measuring temperature upto 1873°K.
  23. Atomic __________ is a whole number for an element.
  24. Speed of a submarine in deep sea & that of an aeroplane is measured by a/an
  25. Blow off cock is provided in steam boiler to
  26. Drills are usually made of
  27. Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.
  28. A jet engine turbine blade is normally manufactured by
  29. __________ is a non volatile film forming constituent of a paint.
  30. The noble metals