71. Maximum energy loss in a boiler occurs due to
72. The impulse turbine rotor efficiency will have a maximum value of 0.5 cos2 α, where α is the nozzle exit flow angle, if the
73. Which of the following substance will have same percentage in both proximate and ultimate analysis?
74. An economiser is generally placed between
75. All steam engines work on
76. The basic purpose of drum in boiler is to
77. A steam nozzle converts
78. The fire tubes in a Scotch marine boiler are
79. The fire tubes in, a Coarran and Scottish marine boiler are
80. A safety valve mainly used with locomotive and marine boilers is
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