Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Bomb calorimeter is used to determine Higher calorific value at constant volume Lower calorific value at constant pressure Higher calorific value at constant pressure Lower calorific value at constant volume Higher calorific value at constant volume Lower calorific value at constant pressure Higher calorific value at constant pressure Lower calorific value at constant volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the ratio of expansion Increases Decreases Does not change None of these Increases Decreases Does not change None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The overall efficiency of thermal power plant is Boiler efficiency, turbine efficiency, generator efficiency Regenerative cycle efficiency Carnot cycle efficiency All the three above plus gas cycle efficiency Boiler efficiency, turbine efficiency, generator efficiency Regenerative cycle efficiency Carnot cycle efficiency All the three above plus gas cycle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure at which latent heat of vaporisation is zero is 100 kgf/ cm² 225.65 kgf/ cm² 273 kgf/ cm² 1 kgf/ cm² 100 kgf/ cm² 225.65 kgf/ cm² 273 kgf/ cm² 1 kgf/ cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual vacuum in a condenser is equal to Gauge pressure - atmospheric pressure Barometric pressure + actual pressure Barometric pressure - actual pressure Gauge pressure + atmospheric pressure Gauge pressure - atmospheric pressure Barometric pressure + actual pressure Barometric pressure - actual pressure Gauge pressure + atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
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