Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is 2 sin²α/(1 + sin²α) 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is a fire tube boiler? Babcock and Wilcox boiler Yarrow boiler None of these Lancashire boiler Babcock and Wilcox boiler Yarrow boiler None of these Lancashire boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following gases has the highest calorific value? Producer gas Coal gas Water gas Blast furnace gas Producer gas Coal gas Water gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The coal requirement per kW hour generation in the thermal power plant is of the order of 1.0 to 1.5 kg 0.2 to 0.4 kg 0.6 to 0.8 kg 0.1 to 0.2 kg 1.0 to 1.5 kg 0.2 to 0.4 kg 0.6 to 0.8 kg 0.1 to 0.2 kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Superheating of steam is done at Constant pressure Constant entropy Constant volume Constant temperature Constant pressure Constant entropy Constant volume Constant temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for gases is 0.546 0.582 0.528 0.577 0.546 0.582 0.528 0.577 ANSWER DOWNLOAD EXAMIANS APP