Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has Equal heating surface More heating surface Heating surface depends on other parameters Less heating surface Equal heating surface More heating surface Heating surface depends on other parameters Less heating surface ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The capacity of induced draft fan compared to forced draft fan in a boiler is More Same Less Less or more depending on size of boiler More Same Less Less or more depending on size of boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of a thermal power plant is of the order of 0.3 0.45 0.15 0.2 0.3 0.45 0.15 0.2 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Adiabatic process is Non-heat transfer process Essentially an isentropic process Constant temperature process Reversible process Non-heat transfer process Essentially an isentropic process Constant temperature process Reversible process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The working pressure range for a LaMont boiler is 3.5 to 20 MN/m² 1 to 15 MN/m² 2.5 to 15 MN/m² 0.5 to 10 MN/m² 3.5 to 20 MN/m² 1 to 15 MN/m² 2.5 to 15 MN/m² 0.5 to 10 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of an impulse turbine is maximum when (where Vb = Blade speed, V = Absolute velocity of steam entering the blade, and α = Nozzle angle) Vb = V² cosα Vb = V cosα Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V² cosα Vb = V cosα Vb = 0.5 V cosα Vb = 0.5 V² cosα ANSWER DOWNLOAD EXAMIANS APP
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