Steam Boilers, Engines, Nozzles and Turbines The efficiency of the plant __________ with the mechanical draught. Remains constant Increases None of these Decreases Remains constant Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will Worsen Improve May improve/worsen depending on size Remain unaffected Worsen Improve May improve/worsen depending on size Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of bleeding is that It decreases the power developed by the turbine Boiler is supplied with hot water It increases the thermodynamic efficiency of the turbine All of these It decreases the power developed by the turbine Boiler is supplied with hot water It increases the thermodynamic efficiency of the turbine All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of Raising of steam temperature Higher effectiveness of boiler Fouling of heat transfer surfaces High calorific value coal being burnt Raising of steam temperature Higher effectiveness of boiler Fouling of heat transfer surfaces High calorific value coal being burnt ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A steam nozzle converts Kinetic energy into heat energy of steam Heat energy of steam into potential energy Heat energy of steam into kinetic energy Potential energy into heat energy of steam Kinetic energy into heat energy of steam Heat energy of steam into potential energy Heat energy of steam into kinetic energy Potential energy into heat energy of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Cornish boiler varies from 2 to 4.5 m 5 to 7.5 m 7 to 9 m 3 to 5 m 2 to 4.5 m 5 to 7.5 m 7 to 9 m 3 to 5 m ANSWER DOWNLOAD EXAMIANS APP