Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure) p₁ + p₂ p₂/p₁ p₁. p₂ p₁/p₂ p₁ + p₂ p₂/p₁ p₁. p₂ p₁/p₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston rod is 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 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The theoretical indicator diagram of a simple steam engine is based upon the assumption that All of these Steam is admitted at boiler pressure and exhausted at condenser pressure The expansion (or compression) of the steam is hyperbolic There is no pressure drop due to condensation All of these Steam is admitted at boiler pressure and exhausted at condenser pressure The expansion (or compression) of the steam is hyperbolic There is no pressure drop due to condensation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The biggest size of thermal power unit operating in India is 500 MW 60 MW 30 MW 100 MW 500 MW 60 MW 30 MW 100 MW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In water wall furnace, the heat is transferred to the water walls by Conduction Radiation and conduction Convection Radiation Conduction Radiation and conduction Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the length of stroke None of these Increases Decreases Does not change None of these Increases Decreases Does not change ANSWER DOWNLOAD EXAMIANS APP
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