Steam Boilers, Engines, Nozzles and Turbines A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as Economizer Superheater Injector Air-preheater Economizer Superheater Injector Air-preheater 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 302 kW 260 kW 296 kW 282 kW 302 kW 260 kW 296 kW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially wet steam is 0.577 0.546 0.601 0.582 0.577 0.546 0.601 0.582 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The performance of a boiler is measured by the Steam produced in kg/kg of fuel burnt Steam produced in kg/h All of the listed here Amount of water evaporated per hour Steam produced in kg/kg of fuel burnt Steam produced in kg/h All of the listed here Amount of water evaporated per hour ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Higher value Same value Lower value Lower/higher depending on steam flow Higher value Same value Lower value Lower/higher depending on steam flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The number of drums in Benson steam generator is One No drum Two One steam drum and one water drum One No drum Two One steam drum and one water drum ANSWER DOWNLOAD EXAMIANS APP
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