Steam Boilers, Engines, Nozzles and Turbines An economiser is installed in a boiler primarily to Increase steam pressure Reduce fuel consumption All of the listed here Superheat the steam Increase steam pressure Reduce fuel consumption All of the listed here Superheat the steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Millier chart, the constant pressure lines Diverge from right to left Diverge from left to right First rise up and then fall Are equally spaced throughout Diverge from right to left Diverge from left to right First rise up and then fall Are equally spaced throughout ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = 0.5 V² cosα Vb = V cos α Vb = 0.5 V cosα Vb = V² cos α Vb = 0.5 V² cosα Vb = V cos α Vb = 0.5 V cosα Vb = V² cos α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small steam plants is to Pump feed water 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A supercritical boiler is one that operates above the pressure and temperature of following values 1 kg/cm² and 100°C 218 kg/cm² abs and 540°C 100 kg/cm² and 540°C 218 kg/cm² abs and 373°C 1 kg/cm² and 100°C 218 kg/cm² abs and 540°C 100 kg/cm² and 540°C 218 kg/cm² abs and 373°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a flywheel is To prevent fluctuation of speed To convert reciprocating motion of the piston into rotary motion To convert rotary motion of the crankshaft into to and fro motion of the valve rod To keep the engine speed uniform at all load conditions To prevent fluctuation of speed To convert reciprocating motion of the piston into rotary motion To convert rotary motion of the crankshaft into to and fro motion of the valve rod To keep the engine speed uniform at all load conditions ANSWER DOWNLOAD EXAMIANS APP
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