Steam Boilers, Engines, Nozzles and Turbines The Locomotive boiler has 137 fire tubes and 44 superheated tubes 167 fire tubes and 14 superheated tubes 157 fire tubes and 24 superheated tubes 147 fire tubes and 34 superheated tubes 137 fire tubes and 44 superheated tubes 167 fire tubes and 14 superheated tubes 157 fire tubes and 24 superheated tubes 147 fire tubes and 34 superheated tubes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The average operating pressure of Benson boiler is 200 bar 100 bar 150 bar 250 bar 200 bar 100 bar 150 bar 250 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the nozzle operates with the maximum mass flow, the nozzle is said to be Under-damping None of these Choked Over-damping Under-damping None of these Choked Over-damping ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called Safety valve Pressure gauge Water level indicator Fusible plug Safety valve Pressure gauge Water level indicator Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = V² cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V cos α Vb = V² cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V cos α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur in coal results in Corroding air heaters Facilitating ash precipitation All of these Spontaneous combustion during coal storage Corroding air heaters Facilitating ash precipitation All of these Spontaneous combustion during coal storage ANSWER DOWNLOAD EXAMIANS APP
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