Steam Boilers, Engines, Nozzles and Turbines The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop Decreases Remains the same Increases Is unpredictable Decreases Remains the same Increases Is unpredictable ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The biggest size of thermal power unit operating in India is 100 MW 60 MW 500 MW 30 MW 100 MW 60 MW 500 MW 30 MW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The impulse reaction turbine has its driving force Partly as an impulsive force and partly as a reaction force As an impulsive force None of the listed here As a reaction force Partly as an impulsive force and partly as a reaction force As an impulsive force None of the listed here As a reaction force ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, pā) will be 5.46 bar 9.9 bar 3.3 bar 8.2 bar 5.46 bar 9.9 bar 3.3 bar 8.2 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A fusible plug is fitted in small boilers in order to Avoid explosion Extinguish fire if water level in the boiler falls below alarming limit Control steam dome Avoid excessive build up of pressure Avoid explosion Extinguish fire if water level in the boiler falls below alarming limit Control steam dome Avoid excessive build up of pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process Heat transfer takes place across cylinder walls All of these Steam may be wet, dry or superheated after expansion Work is done Heat transfer takes place across cylinder walls All of these Steam may be wet, dry or superheated after expansion Work is done ANSWER DOWNLOAD EXAMIANS APP
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