Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 25 to 40% 40 to 60% 10 to 15% 15 to 25% 25 to 40% 40 to 60% 10 to 15% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Bomb calorimeter is used to determine Higher calorific value at constant volume Lower calorific value at constant pressure Lower calorific value at constant volume Higher calorific value at constant pressure Higher calorific value at constant volume Lower calorific value at constant pressure Lower calorific value at constant volume Higher calorific value at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam leaves the nozzle at a Low pressure and a high velocity Low pressure and a low velocity High pressure and a high velocity High pressure and a low velocity Low pressure and a high velocity Low pressure and a low velocity High pressure and a high velocity High pressure and a low velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam, as it flows over the blades in reaction turbine, represents Throttling process Isentropic process Isothermal process Free expansion process Throttling process Isentropic process Isothermal process Free expansion process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Non availability of ideal substance Leakage Frictional losses It is not possible to achieve 0°K temperature Non availability of ideal substance Leakage Frictional losses It is not possible to achieve 0°K temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as None of these Throttle governing Cut-off governing By-pass governing None of these Throttle governing Cut-off governing By-pass governing ANSWER DOWNLOAD EXAMIANS APP
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