41. The fuel mostly used in steam boilers is
42. Water contained in a beaker can be made to boil by passing steam through it
43. For which of the following substances, the internal energy and enthalpy are the functions of temperature only
44. The mass of flue gas per kg of fuel is the ratio of the
45. An open cycle gas turbine works on
46. One watt is equal to
47. If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to
48. The specific heat of air increases with increase in
49. The sum of internal energy (U) and the product of pressure and volume (PV) is known as
50. The gas constant (R) is equal to the
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