Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell. One-third One-fourth One-half Two-fifth One-third One-fourth One-half Two-fifth ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is used in Thermal power plant Domestic use Cement industry Blast furnace Thermal power plant Domestic use Cement industry Blast furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Film boiling occurs at Atmospheric pressures Medium pressures Very high pressures Very low pressure Atmospheric pressures Medium pressures Very high pressures Very low pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, whole frictional loss is assumed to occur between Inlet and outlet Inlet and throat All of these Throat and exit Inlet and outlet Inlet and throat All of these Throat and exit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure) p₁. p₂ p₁/p₂ p₂/p₁ p₁ + p₂ p₁. p₂ p₁/p₂ p₂/p₁ p₁ + p₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential Correct fuel air ratio All the three above Proper ignition temperature O₂ to support combustion Correct fuel air ratio All the three above Proper ignition temperature O₂ to support combustion ANSWER DOWNLOAD EXAMIANS APP