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 steam temperature with increase in load in case of a boiler fitted with radiation superheater Decreases Increases Remain unaffected First increases and then decreases Decreases Increases Remain unaffected First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum heat loss is a boiler occurs due to Steam formation Unburnt carbon Dry flue gases Moisture in fuel Steam formation Unburnt carbon Dry flue gases Moisture in fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbines are mostly used For small power purposes and high speeds For large power purposes Where low speeds are required For small power purposes and low speeds For small power purposes and high speeds For large power purposes Where low speeds are required For small power purposes and low speeds ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Millier chart, the constant pressure lines Diverge from left to right Diverge from right to left Are equally spaced throughout First rise up and then fall Diverge from left to right Diverge from right to left Are equally spaced throughout First rise up and then fall ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by Increasing exhaust pressure Decreasing exhausts pressure Decreasing initial steam pressure and temperature Increasing the expansion ratio Increasing exhaust pressure Decreasing exhausts pressure Decreasing initial steam pressure and temperature Increasing the expansion ratio ANSWER DOWNLOAD EXAMIANS APP
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