Steam Boilers, Engines, Nozzles and Turbines The purpose of governing in steam turbines is to Reduce the effective heat drop Reheat the steam and improve its quality Maintain the speed of the turbine Completely balance against end thrust Reduce the effective heat drop Reheat the steam and improve its quality Maintain the speed of the turbine Completely balance against end thrust ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Coke is produced by Heating wood in a limited supply of air at temperatures below 300°C Enriching carbon in the coal Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Pulverizing coal in inert atmosphere Heating wood in a limited supply of air at temperatures below 300°C Enriching carbon in the coal Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Pulverizing coal in inert atmosphere ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines One kg of steam sample contains 0.8 kg dry steam? Its dryness fraction is 0.2 1 0.8 0.6 0.2 1 0.8 0.6 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stage efficiency is also known as Gross efficiency None of these Diagram efficiency Nozzle efficiency Gross efficiency None of these Diagram efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater Enables low grade fuel to be burnt All of these Increases evaporative capacity of the boiler Increases the efficiency of the boiler Enables low grade fuel to be burnt All of these Increases evaporative capacity of the boiler Increases the efficiency of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as Injector Pressure gauge Feed pump Feed check valve Injector Pressure gauge Feed pump Feed check valve ANSWER DOWNLOAD EXAMIANS APP