Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Pressure remains constant Velocity remains constant Velocity decreases Velocity increases Pressure remains constant Velocity remains constant Velocity decreases Velocity increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The principal function of a stop valve is to Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Increase the temperature of saturated steam without raising its pressure Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Increase the temperature of saturated steam without raising its pressure Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed Before the superheater Before the economiser None of these Between the economiser and chimney Before the superheater Before the economiser None of these Between the economiser and chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Feed water conditioning in thermal power plants in done to Increase heat transfer rate Increase steam parameters Reduce hardness and for removal of solids Increase efficiency of thermal power plant Increase heat transfer rate Increase steam parameters Reduce hardness and for removal of solids Increase efficiency of thermal power plant 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 0.5 to 10 MN/m² 2.5 to 15 MN/m² 3.5 to 20 MN/m² 1 to 15 MN/m² 0.5 to 10 MN/m² 2.5 to 15 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stage efficiency is also known as Nozzle efficiency Diagram efficiency Gross efficiency None of these Nozzle efficiency Diagram efficiency Gross efficiency None of these ANSWER DOWNLOAD EXAMIANS APP