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 260 kW 302 kW 282 kW 296 kW 260 kW 302 kW 282 kW 296 kW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Rankine efficiency Internal efficiency Stage efficiency None of these Rankine efficiency Internal efficiency Stage efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Blading efficiency Nozzle efficiency Gross or stage efficiency Mechanical efficiency Blading efficiency Nozzle efficiency Gross or stage efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the blade is _________ the relative velocity of steam at inlet tip of the blade. Less than Equal to Greater than None of these Less than Equal to Greater than None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of It is not possible to achieve 0°K temperature Non availability of ideal substance Leakage Frictional losses It is not possible to achieve 0°K temperature Non availability of ideal substance Leakage Frictional losses ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Locomotive boiler is of the following type All of the listed here Horizontal Internally fired Multi tubular All of the listed here Horizontal Internally fired Multi tubular ANSWER DOWNLOAD EXAMIANS APP