Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Transport and dry the coal Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Transport and dry the coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, whole frictional loss is assumed to occur between Throat and exit All of these Inlet and throat Inlet and outlet Throat and exit All of these Inlet and throat Inlet and outlet ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called None of these Chimney draught Induced steam jet draught Forced steam jet draught None of these Chimney draught Induced steam jet draught Forced steam jet draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum working pressure of 170 MN/m² 1.7 MN/m² 0.17 MN/m² 17 MN/m² 170 MN/m² 1.7 MN/m² 0.17 MN/m² 17 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Adiabatic process is Non-heat transfer process Constant temperature process Reversible process Essentially an isentropic process Non-heat transfer process Constant temperature process Reversible process Essentially an isentropic process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Spontaneous combustion is a phenomenon in which Fuel burns with less air Explosion in furnace Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal All the fuel burns instantaneously producing high energy release Fuel burns with less air Explosion in furnace Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal All the fuel burns instantaneously producing high energy release ANSWER DOWNLOAD EXAMIANS APP
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