Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of Higher effectiveness of boiler Raising of steam temperature Fouling of heat transfer surfaces High calorific value coal being burnt Higher effectiveness of boiler Raising of steam temperature Fouling of heat transfer surfaces High calorific value coal being burnt ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Aid in proper combustion Keep the burner tips cool Because sputtering, possibly extinguishing flame Clean the nozzles Aid in proper combustion Keep the burner tips cool Because sputtering, possibly extinguishing flame Clean the nozzles ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The amount of water evaporated in kg per kg of fuel burnt is called None of these Evaporative capacity of a boiler Boiler efficiency Equivalent evaporation from and at 100° C None of these Evaporative capacity of a boiler Boiler efficiency Equivalent evaporation from and at 100° C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of friction on the flow of steam through a nozzle is to Decrease the mass flow rate and to increase the wetness of steam Increase the mass flow rate and to increase the exit temperature Decrease the mass flow rate and to decrease the wetness of steam Increase the exit temperature without any effect on mass flow rate Decrease the mass flow rate and to increase the wetness of steam Increase the mass flow rate and to increase the exit temperature Decrease the mass flow rate and to decrease the wetness of steam Increase the exit temperature without any effect on mass flow rate ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fittings mounted on the boiler for its proper and safe functioning is a Pressure gauge Water level indicator Safety valve All of these Pressure gauge Water level indicator Safety valve All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a safety valve is To indicate the water level inside the boiler to an observer None of these To measure pressure of steam inside the steam boiler To blow off steam when the pressure of steam inside the boiler exceeds the working pressure To indicate the water level inside the boiler to an observer None of these To measure pressure of steam inside the steam boiler To blow off steam when the pressure of steam inside the boiler exceeds the working pressure ANSWER DOWNLOAD EXAMIANS APP
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