Steam Boilers, Engines, Nozzles and Turbines A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as Economizer Superheater Air-preheater Injector Economizer Superheater Air-preheater Injector ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The object of producing draught in a boiler is All of the listed here To provide an adequate supply of air for the fuel combustion To discharge the gases of combustion to the atmosphere through the chimney To exhaust the gases of combustion from the combustion chamber All of the listed here To provide an adequate supply of air for the fuel combustion To discharge the gases of combustion to the atmosphere through the chimney To exhaust the gases of combustion from the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are Internally as well as externally fired None of these Internally fired Externally fired Internally as well as externally fired None of these Internally fired Externally fired ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is Pulverized coal Coking coal High sulphur coal Non-coking or free burning coal Pulverized coal Coking coal High sulphur coal Non-coking or free burning coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve in a locomotive starts leaking. The leaking medium will be Water Super heated steam Wet steam Dry steam Water Super heated steam Wet steam Dry steam 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 Externally fired boiler Internally fired boiler Forced circulation boiler Natural circulation boiler Externally fired boiler Internally fired boiler Forced circulation boiler Natural circulation boiler ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS