Steam Boilers, Engines, Nozzles and Turbines The flow of steam is supersonic At the entrance to the nozzle In the divergent portion of the nozzle At the throat of the nozzle In the convergent portion of the nozzle At the entrance to the nozzle In the divergent portion of the nozzle At the throat of the nozzle In the convergent portion of the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The flow through a nozzle is regarded as Isentropic flow Isothermal flow Constant volume flow Constant pressure flow Isentropic flow Isothermal flow Constant volume flow Constant pressure flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Multi-stage steam turbines are of the Velocity compounded type All of these Reaction type Pressure compounded type Velocity compounded type All of these Reaction type Pressure compounded type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy rise per kg of water is 145 kJ. If the calorific valve of the coal is 2050 kJ/kg, then the boiler efficiency will be 0.74 0.63 0.56 0.78 0.74 0.63 0.56 0.78 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of cylindrical shell of the Lancashire boiler is of the order of 1.75 to 2.75 m 1 to 1.75 m 2 to 4 m 1 to 1.25 m 1.75 to 2.75 m 1 to 1.75 m 2 to 4 m 1 to 1.25 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure at which latent heat of vaporisation of water is zero, is Below atmospheric pressure 225.6 kg/cm² 100 kg/cm² 1 kg/cm² Below atmospheric pressure 225.6 kg/cm² 100 kg/cm² 1 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
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