Steam Boilers, Engines, Nozzles and Turbines The friction in the nozzle __________ exit velocity of steam. None of these Increases Decreases Has no effect on None of these Increases Decreases Has no effect on ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating of dry steam above saturation temperature is known as Super saturation Latent heat Enthalpy Superheating Super saturation Latent heat Enthalpy Superheating ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economizer (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 20 : 48 : 7 : 15 : 10 48 : 20 : 15 : 7 : 10 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 20 : 48 : 7 : 15 : 10 48 : 20 : 15 : 7 : 10 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the useful heat drop to the isentropic heat drop is called Boiler efficiency Nozzle efficiency Condenser efficiency Vacuum efficiency Boiler efficiency Nozzle efficiency Condenser efficiency Vacuum efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Identical fixed and moving blades Only moving blades Fixed and moving blades of different shape Only fixed blades Identical fixed and moving blades Only moving blades Fixed and moving blades of different shape Only fixed blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylinder condensation or missing quantity may be reduced by All of these Superheating the steam supplied to the engine cylinder The efficient steam jacketing of the cylinder walls Keeping the expansion ratio small in each cylinder All of these Superheating the steam supplied to the engine cylinder The efficient steam jacketing of the cylinder walls Keeping the expansion ratio small in each cylinder ANSWER DOWNLOAD EXAMIANS APP