Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always None of these Greater than unity Equal to unity Less than unity None of these Greater than unity Equal to unity Less than unity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for gases is 0.528 0.582 0.577 0.546 0.528 0.582 0.577 0.546 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A condenser where circulating water flows through tubes which are surrounded by steam, in known as Evaporative condenser Barometric condenser Surface condenser Jet condenser Evaporative condenser Barometric condenser Surface condenser Jet condenser ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At critical point, i.e. p=225.65 kg/cm², the latent enthalpy of vaporisation is Minimum Depends on temperature also Zero Maximum Minimum Depends on temperature also Zero Maximum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Incomplete combustion can be best judged by Smoky chimney exit Measuring temperature of flue gases at exit of furnace Excess air in flue gases Measuring carbon monoxide in flue gases Smoky chimney exit Measuring temperature of flue gases at exit of furnace Excess air in flue gases Measuring carbon monoxide in flue gases 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 7 : 15 : 20 : 10 : 48 10 : 7 : 15 : 20 : 48 48 : 20 : 15 : 7 : 10 20 : 48 : 7 : 15 : 10 7 : 15 : 20 : 10 : 48 10 : 7 : 15 : 20 : 48 48 : 20 : 15 : 7 : 10 20 : 48 : 7 : 15 : 10 ANSWER DOWNLOAD EXAMIANS APP