Steam Boilers, Engines, Nozzles and Turbines The cylinder condensation or missing quantity may be reduced by All of these Keeping the expansion ratio small in each cylinder The efficient steam jacketing of the cylinder walls Superheating the steam supplied to the engine cylinder All of these Keeping the expansion ratio small in each cylinder The efficient steam jacketing of the cylinder walls Superheating the steam supplied to the engine cylinder ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small steam plants is to Dose chemicals in feed water Create vacuum at turbine exhaust Create vacuum in furnace Pump feed water Dose chemicals in feed water Create vacuum at turbine exhaust Create vacuum in furnace Pump feed water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the work-done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called Nozzle efficiency Blading efficiency Mechanical efficiency Stage efficiency Nozzle efficiency Blading efficiency Mechanical efficiency Stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be 900 m/s 79 m/s 188 m/s 450 m/s 900 m/s 79 m/s 188 m/s 450 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The state of vapor under saturation condition is described by Pressure alone Temperature alone Pressure and temperature Pressure and dryness fraction Pressure alone Temperature alone Pressure and temperature Pressure and dryness fraction ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is High sulphur coal Non-coking or free burning coal Pulverized coal Coking coal High sulphur coal Non-coking or free burning coal Pulverized coal Coking coal ANSWER DOWNLOAD EXAMIANS APP
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