Steam Boilers, Engines, Nozzles and Turbines The bituminous coal is no caking if its carbon content is 85-90% 90-95% 78-81% 81-85% 85-90% 90-95% 78-81% 81-85% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A steam turbine, in which a part of the steam after partial expansion, is used for process heating and the remaining steam is further expanded for power generation, is known as Back pressure turbine Pass out turbine Impulse turbine Low pressure turbine Back pressure turbine Pass out turbine Impulse turbine Low pressure turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cochran boiler is a Vertical water tube boiler Vertical fire tube boiler Horizontal water tube boiler Horizontal fire tube boiler Vertical water tube boiler Vertical fire tube boiler Horizontal water tube boiler Horizontal fire tube boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy rise per kg of water is 145 kJ. If the calorific valve of the coal is 2050 kJ/kg, then the boiler efficiency will be 0.74 0.56 0.63 0.78 0.74 0.56 0.63 0.78 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop Increases Remains the same Is unpredictable Decreases Increases Remains the same Is unpredictable Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is Pulverized coal Non-coking or free burning coal Coking coal High sulphur coal Pulverized coal Non-coking or free burning coal Coking coal High sulphur coal ANSWER DOWNLOAD EXAMIANS APP