Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as Injector Feed check valve Pressure gauge Feed pump Injector Feed check valve Pressure gauge Feed pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Maximum energy loss in a boiler occurs due to Ash content Incomplete combustion Unburnt carbon in ash Flue gases Ash content Incomplete combustion Unburnt carbon in ash Flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a uniflow engine None of these Steam enters at one end and exhausts at the centre Steam enters and exhausts through the same port Steam enters at the centre and exhausts at the other end None of these Steam enters at one end and exhausts at the centre Steam enters and exhausts through the same port Steam enters at the centre and exhausts at the other end ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The radius of a dished head is taken approximately as Half Two One One fourth Half Two One One fourth ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The flow through a nozzle is regarded as Constant volume flow Isentropic flow Constant pressure flow Isothermal flow Constant volume flow Isentropic flow Constant pressure flow Isothermal flow ANSWER DOWNLOAD EXAMIANS APP
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