Steam Boilers, Engines, Nozzles and Turbines The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called Water level indicator Pressure gauge Safety valve Fusible plug Water level indicator Pressure gauge Safety valve Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are those in which Change in enthalpy Flue gases pass through tubes and water around it Water passes through the tubes and flue gases around it Work is done during adiabatic expansion Change in enthalpy Flue gases pass through tubes and water around it Water passes through the tubes and flue gases around it Work is done during adiabatic expansion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Locomotive boiler has 147 fire tubes and 34 superheated tubes 137 fire tubes and 44 superheated tubes 157 fire tubes and 24 superheated tubes 167 fire tubes and 14 superheated tubes 147 fire tubes and 34 superheated tubes 137 fire tubes and 44 superheated tubes 157 fire tubes and 24 superheated tubes 167 fire tubes and 14 superheated tubes 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 0.78 0.63 0.56 0.74 0.78 0.63 0.56 0.74 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small steam plants is to Create vacuum at turbine exhaust Create vacuum in furnace Dose chemicals in feed water Pump feed water Create vacuum at turbine exhaust Create vacuum in furnace Dose chemicals in feed water Pump feed water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At very low temperature, the melting and boiling temperatures become equal. This temperature is 303°K 0°K 373°K 273.16°K 303°K 0°K 373°K 273.16°K ANSWER DOWNLOAD EXAMIANS APP
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