91. The critical pressure ratio is given by (where p1 = Initial pressure of steam and p2 = Pressure of steam at throat or critical pressure)
92. The discharge is __________ at critical pressure.
93. Fire tube boilers are limited to a maximum working pressure of
94. Fire tube boilers are limited to a maximum design working pressure of
95. The ratio of heat utilized to produce steam and the heat liberated in furnace is known as
96. In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will
97. When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as
98. In a reaction turbine when the degree of reaction is zero, then there is
99. In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, p2) will be
100. The water tubes in a simple vertical boiler are
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