Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Nozzle efficiency Mechanical efficiency Gross or stage efficiency Blading efficiency Nozzle efficiency Mechanical efficiency Gross or stage efficiency Blading efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a safety valve is To indicate the water level inside the boiler to an observer To blow off steam when the pressure of steam inside the boiler exceeds the working pressure None of these To measure pressure of steam inside the steam boiler To indicate the water level inside the boiler to an observer To blow off steam when the pressure of steam inside the boiler exceeds the working pressure None of these To measure pressure of steam inside the steam boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the clearance volume to the swept volume is called Cut-off ratio Clearance ratio None of these Expansion ratio Cut-off ratio Clearance ratio None of these Expansion ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced. Remains same Decreases None of the listed here Increases Remains same Decreases None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At critical point, i.e. p=225.65 kg/cm², the latent enthalpy of vaporisation is Maximum Zero Depends on temperature also Minimum Maximum Zero Depends on temperature also Minimum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught may be produced by a A steam jet All of these Chimney Mechanical fan A steam jet All of these Chimney Mechanical fan ANSWER DOWNLOAD EXAMIANS APP