Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Lower/higher depending on steam flow Lower value Same value Higher value Lower/higher depending on steam flow Lower value Same value Higher value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam in a nozzle follows Carnot cycle Joule cycle Rankine cycle Stirling cycle Carnot cycle Joule cycle Rankine cycle Stirling cycle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sublimation region is the region where Solid and liquid phases are in equilibrium Solid and vapor phases are in equilibrium Solid, liquid and vapor phases are in equilibrium Liquid and vapor phases are in equilibrium Solid and liquid phases are in equilibrium Solid and vapor phases are in equilibrium Solid, liquid and vapor phases are in equilibrium Liquid and vapor phases are in equilibrium ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The chimney draught varies with Temperature of furnace gases All of these Climatic conditions Height of chimney Temperature of furnace gases All of these Climatic conditions Height of chimney 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 0.78 0.63 0.74 0.56 0.78 0.63 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as Natural circulation boiler Forced circulation boiler Externally fired boiler Internally fired boiler Natural circulation boiler Forced circulation boiler Externally fired boiler Internally fired boiler ANSWER DOWNLOAD EXAMIANS APP