Steam Boilers, Engines, Nozzles and Turbines A nozzle is said to be a divergent nozzle When the cross-section of the nozzle increases continuously from entrance to exit When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit When the cross-section of the nozzle decreases continuously from entrance to exit None of these When the cross-section of the nozzle increases continuously from entrance to exit When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit When the cross-section of the nozzle decreases continuously from entrance to exit None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces Corrosion caused by oxygen Cavitation of boiler feed pumps pH value of water Heat transfer coefficient Corrosion caused by oxygen Cavitation of boiler feed pumps pH value of water Heat transfer coefficient ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum working pressure of 17 MN/m² 170 MN/m² 1.7 MN/m² 0.17 MN/m² 17 MN/m² 170 MN/m² 1.7 MN/m² 0.17 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in, a Coarran and Scottish marine boiler are Horizontal Inclined Both horizontal and vertical Vertical Horizontal Inclined Both horizontal and vertical Vertical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the useful heat drop to the isentropic heat drop is called Nozzle efficiency Vacuum efficiency Boiler efficiency Condenser efficiency Nozzle efficiency Vacuum efficiency Boiler efficiency Condenser efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for steam turbines as compared to reciprocating steam engines? The steam consumption is less The efficiency of steam turbine is higher All of these A steam turbine develops higher speeds The steam consumption is less The efficiency of steam turbine is higher All of these A steam turbine develops higher speeds ANSWER DOWNLOAD EXAMIANS APP