Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) cos²α sin²α tan²α cot²α cos²α sin²α tan²α cot²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially dry saturated steam is 0.577 0.601 0.546 0.582 0.577 0.601 0.546 0.582 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following boiler works on a forced circulation of water? All of these Loeffler boiler Benson boiler Lamont boiler All of these Loeffler boiler Benson boiler Lamont boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A nozzle is said to be a divergent nozzle 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 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The average operating pressure of Benson boiler is 250 bar 100 bar 200 bar 150 bar 250 bar 100 bar 200 bar 150 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston rod is To convert heat energy of the steam into mechanical work To exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross head To guide motion of the piston rod and to prevent it from bending To convert heat energy of the steam into mechanical work To exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross head To guide motion of the piston rod and to prevent it from bending ANSWER DOWNLOAD EXAMIANS APP