Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from 3.5 to 4.5 m 2.5 to 3.5 m 1.5 to 2 m None of these 3.5 to 4.5 m 2.5 to 3.5 m 1.5 to 2 m None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The mechanical draught _________ with the amount of smoke. Decreases None of these Does not effect Increases Decreases None of these Does not effect Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Locomotive boiler is a Single tube, horizontal, internally fired and stationary boiler Multi-tubular, horizontal, externally fired and stationary boiler Single tube, vertical, externally fired and stationary boiler Multi-tubular, horizontal, internally fired and mobile boiler Single tube, horizontal, internally fired and stationary boiler Multi-tubular, horizontal, externally fired and stationary boiler Single tube, vertical, externally fired and stationary boiler Multi-tubular, horizontal, internally fired and mobile boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by Increasing the expansion ratio Increasing exhaust pressure Decreasing initial steam pressure and temperature Decreasing exhausts pressure Increasing the expansion ratio Increasing exhaust pressure Decreasing initial steam pressure and temperature Decreasing exhausts pressure 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 302 kW 260 kW 296 kW 282 kW 302 kW 260 kW 296 kW 282 kW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about the function of furnace? Mix fuel with air and ignite To provide proper conditions for continuous complete combustion Maintain heat supply to prepare and ignite the incoming fuel Separate ash from coal Mix fuel with air and ignite To provide proper conditions for continuous complete combustion Maintain heat supply to prepare and ignite the incoming fuel Separate ash from coal ANSWER DOWNLOAD EXAMIANS APP