Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from None of these 3.5 to 4.5 m 1.5 to 2 m 2.5 to 3.5 m None of these 3.5 to 4.5 m 1.5 to 2 m 2.5 to 3.5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A steam nozzle converts 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 Heat energy of steam into kinetic energy Kinetic energy into heat energy of steam Heat energy of steam into potential energy ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be 282 kW 260 kW 296 kW 302 kW 282 kW 260 kW 296 kW 302 kW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At very low temperature, the melting and boiling temperatures become equal. This temperature is 373°K 273.16°K 0°K 303°K 373°K 273.16°K 0°K 303°K 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 79 m/s 188 m/s 900 m/s 450 m/s 79 m/s 188 m/s 900 m/s 450 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The radius of a dished head is taken approximately as Two Half One One fourth Two Half One One fourth ANSWER DOWNLOAD EXAMIANS APP