51. The stage efficiency ($${\eta _{\text{S}}}$$) is given by (where $${\eta _{\text{B}}}$$ = Blading efficiency and $${\eta _{\text{N}}}$$ = Nozzle efficiency)
52. The dry saturated steam at very low pressure, (510 kg/cm2) when throttled to atmosphere will become
53. The dry saturated steam at very high pressure (150 - 200 kg/cm2) when throttled to atmosphere will become
54. Reheating of steam under ideal conditions takes place at constant
55. A binary vapor plant consists of
56. Feed water conditioning in thermal power plants in done to
57. The density of supersaturated steam is about __________ that of the ordinary saturated vapor at the corresponding pressure.
58. A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as
59. The ratio of brake power to the indicated power is known as
60. The ratio of the isentropic heat drop to the heat supplied, is called
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