Steam Boilers, Engines, Nozzles and Turbines Steam turbines are used for Large marine propulsion All of these Electric power generation Direct drive of fans, compressors, pumps Large marine propulsion All of these Electric power generation Direct drive of fans, compressors, pumps ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The radius of a dished head is taken approximately as One One fourth Half Two One One fourth Half Two ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In water wall furnace, the heat is transferred to the water walls by Convection Radiation Radiation and conduction Conduction Convection Radiation Radiation and conduction Conduction 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 O₂ to support combustion Proper ignition temperature Correct fuel air ratio All the three above O₂ to support combustion Proper ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The object of producing draught in a boiler is All of the listed here To provide an adequate supply of air for the fuel combustion To discharge the gases of combustion to the atmosphere through the chimney To exhaust the gases of combustion from the combustion chamber All of the listed here To provide an adequate supply of air for the fuel combustion To discharge the gases of combustion to the atmosphere through the chimney To exhaust the gases of combustion from the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be 450 m/s 900 m/s 188 m/s 79 m/s 450 m/s 900 m/s 188 m/s 79 m/s ANSWER DOWNLOAD EXAMIANS APP
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