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 296 kW 282 kW 260 kW 302 kW 296 kW 282 kW 260 kW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a High speed steam engine Medium speed steam engine None of the listed here Slow speed engine High speed steam engine Medium speed steam engine None of the listed here Slow speed engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by 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 Increasing the expansion ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation of water is the evaporation for a feed water supply at 100°C And its corresponding conversion into dry steam at desired boiler pressure Conversion into steam at atmospheric condition Conversion into steam at the same pressure at which feed water is supplied And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² And its corresponding conversion into dry steam at desired boiler pressure Conversion into steam at atmospheric condition Conversion into steam at the same pressure at which feed water is supplied And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be Over-damping None of these Under-damping Choked Over-damping None of these Under-damping Choked 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 Lower value Same value Higher value Lower/higher depending on steam flow Lower value Same value Higher value Lower/higher depending on steam flow ANSWER DOWNLOAD EXAMIANS APP
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