Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Decrease dryness fraction of steam Increase the heat drop Decrease specific volume of steam Increase the entropy Decrease dryness fraction of steam Increase the heat drop Decrease specific volume of steam Increase the entropy ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At very low temperature, the melting and boiling temperatures become equal. This temperature is 373°K 0°K 303°K 273.16°K 373°K 0°K 303°K 273.16°K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbines are mostly used For small power purposes and high speeds For small power purposes and low speeds Where low speeds are required For large power purposes For small power purposes and high speeds For small power purposes and low speeds Where low speeds are required For large power purposes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In regenerative air preheaters, the heat is transferred Heat is transferred by bleeding some gas from furnace From a metal wall from one medium to another From heating an intermediate material and then heating the air from this material By direct mixing Heat is transferred by bleeding some gas from furnace From a metal wall from one medium to another From heating an intermediate material and then heating the air from this material By direct mixing ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be 302 kW 296 kW 282 kW 260 kW 302 kW 296 kW 282 kW 260 kW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about pulverized fuel firing? It is the best technique for burning high ash content fuel having low fusion ash Fuel burns economically High burning rate is possible Heat release can be easily controlled It is the best technique for burning high ash content fuel having low fusion ash Fuel burns economically High burning rate is possible Heat release can be easily controlled ANSWER DOWNLOAD EXAMIANS APP