Steam Boilers, Engines, Nozzles and Turbines Spontaneous combustion is a phenomenon in which Explosion in furnace All the fuel burns instantaneously producing high energy release 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 Fuel burns with less air Explosion in furnace All the fuel burns instantaneously producing high energy release 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 Fuel burns with less air 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 0.78 0.63 0.56 0.74 0.78 0.63 0.56 0.74 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of reheat steam after passing through reheater compared to inlet condition is May be more or less depending on capacity of reheater More Equal Less May be more or less depending on capacity of reheater More Equal Less ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge of steam through a convergent-divergent nozzle depends upon Area of nozzle at throat Initial pressure and volume of steam Both (A) and (B) Final pressure of steam leaving the nozzle Area of nozzle at throat Initial pressure and volume of steam Both (A) and (B) Final pressure of steam leaving the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is used in Thermal power plant Cement industry Blast furnace Domestic use Thermal power plant Cement industry Blast furnace Domestic use ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used to increase the temperature of saturated steam without raising its pressure, is called Blow off cock Fusible plug Stop valve Superheater Blow off cock Fusible plug Stop valve Superheater ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS