Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Stage efficiency Rankine efficiency Internal efficiency None of these Stage efficiency Rankine efficiency Internal efficiency None of these 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 296 kW 282 kW 260 kW 302 kW 296 kW 282 kW 260 kW 302 kW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The clearance in the engine cylinder Increases the mean effective pressure All of these Decreases the efficiency of the engine Increases the workdone Increases the mean effective pressure All of these Decreases the efficiency of the engine Increases the workdone ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Parson's turbine is a None of these Impulse-reaction turbine Simple impulse turbine Simple reaction turbine None of these Impulse-reaction turbine Simple impulse turbine Simple reaction turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam with increase of pressure Decreases Increases Behaves unpredictably Remain same Decreases Increases Behaves unpredictably Remain same ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder. None of the listed here Less than More than Equal to None of the listed here Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP