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Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the

A. Length of the pipe

B. Diameter of the pipe

C. Density of the fluid

D. Velocity of the fluid

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  1. __________ metal is used as a bearing liner material.
  2. In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length,…
  3. Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.
  4. The Al2O3 content of cryolite in Hall- Heroult cell is maintained between __________ percent.
  5. In practice, the compression ratio of compression-ignition (CI) engine ranges from
  6. Babbitt lining is used on brass/bronze bearings to increase the
  7. Non-ferrous alloys used for making cutting tools need not have high
  8. Specific __________ is a dimensionless quantity.
  9. The best guide to judge the general quality of water is the measurement of its
  10. Electrometallurgical methods of metal extraction is normally used for those metals
  11. For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is…
  12. The escape velocity of a body on earth which is independent of its mass is about __________ km/second.
  13. Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about
  14. Fibrous fracture is normally encountered in the __________ materials.
  15. Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
  16. Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal
  17. Dew point temperature always gives an indication of the __________ of the moist air.
  18. Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C…
  19. Cold chisels hammers are made of
  20. Oxide layer formed on the non-ferrous metal surface after its annealing is
  21. Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare…
  22. Out of the following, the alloy which has equal percentage of constituents, is
  23. __________ is not a heat treatment process.
  24. If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________…
  25. Plasma is
  26. The product (s) of roasting of a sulphide ore is (are)
  27. Brazing is the joining of metals
  28. For preparation of porous bearings by powder metallurgy, preferred particle shape is
  29. Transformer cores are normally made from
  30. Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot