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The specific gravity of coal depends mainly on its __________ content.

A. Carbon

B. Volatile matter

C. Ash

D. Moisture

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

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  1. The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed…
  2. Which of the following is the largest quantum of pressure?
  3. Silicon in steel
  4. Speed of a submarine in deep sea & that of an aeroplane is measured by a/an
  5. In multipass welds, shot peening is done after each pass to
  6. Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute…
  7. The ratio of the shear stress to the principal stress on a principal plane is
  8. To improve the machinability of steel, it is generally subjected to
  9. Hot working of lead is carried out at
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  11. Dowtherm is a
  12. Iron content in Indian iron ore is about __________ percent.
  13. Hydrogen can be
  14. Routing in production, planning & control is concerned with the
  15. The highest stress that a material can withstand for a specified length of time without excessive deformation…
  16. For a first order chemical reaction, the concentration of the reactant decreases __________ with time.
  17. Pick out the correct statement.
  18. Water flow in the river during flood can be categorised as the __________ flow.
  19. Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.
  20. A high pressure boiler generates steam at a pressure greater than __________ kg/cm2.
  21. Electrochemical corrosion can occur, only if __________ is present in contact with metal.
  22. A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.
  23. __________ rubber is generally used for making 'O' rings used for vacuum sealings.
  24. The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong
  25. In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just…
  26. In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are…
  27. A material in which the atoms are arranged regularly in some directions but not in others, is termed…
  28. Pressure exerted by a liquid depends upon its
  29. __________ property of steel increases by addition of large amount of silicon in it.
  30. Energy of the sun arises mainly from __________ reactions.