Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 40 to 60% 15 to 25% 25 to 40% 10 to 15% 40 to 60% 15 to 25% 25 to 40% 10 to 15% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, the heat is lost To dry flue gases In moisture present in the fuel All of these To steam formed by combustion of hydrogen per kg of fuel To dry flue gases In moisture present in the fuel All of these To steam formed by combustion of hydrogen per kg of fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Duplex feed pumps are used in small steam boilers. These operate on the principle of Axial flow pump Gear pump Centrifugal pump Reciprocating pump Axial flow pump Gear pump Centrifugal pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The reheat factor is the ratio of the Isentropic heat drop to the heat supplied Cumulative heat drop to the isentropic heat drop Total useful heat drop to the total isentropic heat drop None of these Isentropic heat drop to the heat supplied Cumulative heat drop to the isentropic heat drop Total useful heat drop to the total isentropic heat drop None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diagram factor is the ratio of the Actual workdone per stroke to the theoretical workdone per stroke Area of the actual indicator diagram to the area of theoretical indicator diagram Any one of the above Actual mean effective pressure to the theoretical mean effective pressure Actual workdone per stroke to the theoretical workdone per stroke Area of the actual indicator diagram to the area of theoretical indicator diagram Any one of the above Actual mean effective pressure to the theoretical mean effective pressure ANSWER DOWNLOAD EXAMIANS APP