Steam Boilers, Engines, Nozzles and Turbines The numbers of fire tubes in a Cochran boiler are 225 115 165 75 225 115 165 75 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy rise per kg of water is 145 kJ. If the calorific valve of the coal is 2050 kJ/kg, then the boiler efficiency will be 0.56 0.78 0.74 0.63 0.56 0.78 0.74 0.63 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The principal function of a stop valve is to Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Increase the temperature of saturated steam without raising its pressure Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Increase the temperature of saturated steam without raising its pressure Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A steam nozzle converts Heat energy of steam into kinetic energy Kinetic energy into heat energy of steam Heat energy of steam into potential energy Potential energy into heat energy of steam Heat energy of steam into kinetic energy Kinetic energy into heat energy of steam Heat energy of steam into potential energy Potential energy into heat energy of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is not a boiler mounting? Economiser Fusible plug Blow off cock Feed check valve Economiser Fusible plug Blow off cock Feed check valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The natural draught is produced by Centrifugal fan Both (A) and (B) Chimney Steam jet Centrifugal fan Both (A) and (B) Chimney Steam jet ANSWER DOWNLOAD EXAMIANS APP
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