Steam Boilers, Engines, Nozzles and Turbines The function of a safety valve is To indicate the water level inside the boiler to an observer None of these To measure pressure of steam inside the steam boiler To blow off steam when the pressure of steam inside the boiler exceeds the working pressure To indicate the water level inside the boiler to an observer None of these To measure pressure of steam inside the steam boiler To blow off steam when the pressure of steam inside the boiler exceeds the working pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines With increase in load, convection superheater has Linear characteristic Drooping characteristic Rising characteristic Flat characteristic Linear characteristic Drooping characteristic Rising characteristic Flat characteristic ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston in a steam engine is To guide motion of the piston rod and to prevent it from bending To transfer motion from the piston to the cross-head None of these To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment To guide motion of the piston rod and to prevent it from bending To transfer motion from the piston to the cross-head None of these To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about the function of furnace? Maintain heat supply to prepare and ignite the incoming fuel Mix fuel with air and ignite Separate ash from coal To provide proper conditions for continuous complete combustion Maintain heat supply to prepare and ignite the incoming fuel Mix fuel with air and ignite Separate ash from coal To provide proper conditions for continuous complete combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The flow of steam is supersonic In the divergent portion of the nozzle In the convergent portion of the nozzle At the throat of the nozzle At the entrance to the nozzle In the divergent portion of the nozzle In the convergent portion of the nozzle At the throat of the nozzle At the entrance to the nozzle ANSWER DOWNLOAD EXAMIANS APP
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 p₁. p₂ p₂/p₁ p₁ + p₂ p₁/p₂ p₁. p₂ p₂/p₁ p₁ + p₂ ANSWER DOWNLOAD EXAMIANS APP
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