Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred By direct mixing From a metal wall from one medium to another From heating an intermediate material and then heating the air from this material Heat is transferred by bleeding some gases from furnace By direct mixing From a metal wall from one medium to another 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
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine. Same None of these Less More Same None of these Less More 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 Induced steam jet draught Chimney draught Forced steam jet draught None of these Induced steam jet draught Chimney draught Forced steam jet draught None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is installed in a boiler primarily to Superheat the steam All of the listed here Reduce fuel consumption Increase steam pressure Superheat the steam All of the listed here Reduce fuel consumption Increase steam pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In which of the following boilers, the draught in furnace is increased by utilising exhaust steam from engine Benson boiler Locomotive boiler Lancashire boiler Babcock and Wilcox boiler Benson boiler Locomotive boiler Lancashire boiler Babcock and Wilcox boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about the function of furnace? To provide proper conditions for continuous complete combustion Mix fuel with air and ignite Separate ash from coal Maintain heat supply to prepare and ignite the incoming fuel To provide proper conditions for continuous complete combustion Mix fuel with air and ignite Separate ash from coal Maintain heat supply to prepare and ignite the incoming fuel ANSWER DOWNLOAD EXAMIANS APP
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