Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as Forced circulation boiler Internally fired boiler Externally fired boiler Natural circulation boiler Forced circulation boiler Internally fired boiler Externally fired boiler Natural circulation boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called Superheater Blow off cock None of these Stop valve Superheater Blow off cock None of these Stop valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Keep the burner tips cool Clean the nozzles Because sputtering, possibly extinguishing flame Aid in proper combustion Keep the burner tips cool Clean the nozzles Because sputtering, possibly extinguishing flame Aid in proper combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diagram efficiency is the ratio of Workdone on the blades to the energy supplied to the blades Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam None of these Workdone on the blades to the energy supplied to the blades Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Carbonization of coal is the process of Binding the pulverized coal into briquettes Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Heating wood in a limited supply of air at temperatures below 300°C Pulverizing coal in inert atmosphere Binding the pulverized coal into briquettes Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Heating wood in a limited supply of air at temperatures below 300°C Pulverizing coal in inert atmosphere ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred From a metal wall from one medium to another By direct mixing From heating an intermediate material and then heating the air from this material Heat is transferred by bleeding some gases from furnace From a metal wall from one medium to another By direct mixing From heating an intermediate material and then heating the air from this material Heat is transferred by bleeding some gases from furnace ANSWER DOWNLOAD EXAMIANS APP