Steam Boilers, Engines, Nozzles and Turbines A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion. 270° 180° 90° 60° 270° 180° 90° 60° ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is Less efficient and more economical More efficient and more economical Less efficient and less economical More efficient and less economical Less efficient and more economical More efficient and more economical Less efficient and less economical More efficient and less economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In reaction turbines, the axial thrust is due to None of these Pressure drop across the rotor Both (A) and (B) Change in axial velocity None of these Pressure drop across the rotor Both (A) and (B) Change in axial velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The change in internal energy in steam engines equals to Work done during adiabatic expansion Work done during compression Change in enthalpy Work done during the Rankine cycle Work done during adiabatic expansion Work done during compression Change in enthalpy Work done during the Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The specific heat of superheated steam in kcal/kg is generally of the order of 0.3 0.8 0.5 0.1 0.3 0.8 0.5 0.1 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The average value of diagram factor lies between 0.2 to 0.5 0.5 to 0.65 0.65 to 0.9 0.8 to 1.2 0.2 to 0.5 0.5 to 0.65 0.65 to 0.9 0.8 to 1.2 ANSWER DOWNLOAD EXAMIANS APP
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