Steam Boilers, Engines, Nozzles and Turbines The efficiency of a boiler is defined as Ratio of the heat liberated in the furnace to the heat actually used in producing steam Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the mass of steam produced to the mass of total water supplied in a given time None of these Ratio of the heat liberated in the furnace to the heat actually used in producing steam Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the mass of steam produced to the mass of total water supplied in a given time None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cochran boiler is a Vertical fire tube boiler Horizontal fire tube boiler Horizontal water tube boiler Vertical water tube boiler Vertical fire tube boiler Horizontal fire tube boiler Horizontal water tube boiler Vertical water tube boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the work-done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called Blading efficiency Stage efficiency Mechanical efficiency Nozzle efficiency Blading efficiency Stage efficiency Mechanical efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is used to blow off steam when the None of these Steam pressure exceeds the working pressure Water level in the boiler becomes too low Both (A) and (B) None of these Steam pressure exceeds the working pressure Water level in the boiler becomes too low Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is (1 + cos²α)/2 cos²α 2 cos²α/(1 + cos²α) (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) (1 + cos²α)/2 cos²α 2 cos²α/(1 + cos²α) (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is not used in Cornish boiler Cochran boiler Lancashire boiler Locomotive boiler Cornish boiler Cochran boiler Lancashire boiler Locomotive boiler ANSWER DOWNLOAD EXAMIANS APP
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