Steam Boilers, Engines, Nozzles and Turbines While steam expands in turbines, theoretically the entropy Increases Remains constant Decreases Behaves unpredictably Increases Remains constant Decreases Behaves unpredictably ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual vacuum in a condenser is equal to Barometric pressure - actual pressure Gauge pressure + atmospheric pressure Gauge pressure - atmospheric pressure Barometric pressure + actual pressure Barometric pressure - actual pressure Gauge pressure + atmospheric pressure Gauge pressure - atmospheric pressure Barometric pressure + actual pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is Pulverized coal Coking coal High sulphur coal Non-coking or free burning coal Pulverized coal Coking coal High sulphur coal Non-coking or free burning coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fittings mounted on the boiler for its proper and safe functioning is a Safety valve Water level indicator Pressure gauge All of these Safety valve Water level indicator Pressure gauge All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is used where working pressure and power required are Low None of these Moderate High Low None of these Moderate High ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd ANSWER DOWNLOAD EXAMIANS APP
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