Steam Boilers, Engines, Nozzles and Turbines Which of the following boiler works on a forced circulation of water? Loeffler boiler All of these Benson boiler Lamont boiler Loeffler boiler All of these Benson boiler Lamont boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A valve installed between the boiler and the feed pump is Steam stop valve Feed check valve Blow off cock None of these Steam stop valve Feed check valve Blow off cock None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the Blade solidity is 0.65 Blades are equiangular Blade velocity coefficient is unity Blades are equiangular and frictionless Blade solidity is 0.65 Blades are equiangular Blade velocity coefficient is unity Blades are equiangular and frictionless ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be 282 kW 302 kW 296 kW 260 kW 282 kW 302 kW 296 kW 260 kW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The equivalent evaporation of a boiler is a measure to compare The two different boilers of the same make Any type of boilers operating under any conditions Two different makes of boilers operating under the same operating conditions The given boiler with the model The two different boilers of the same make Any type of boilers operating under any conditions Two different makes of boilers operating under the same operating conditions The given boiler with the model 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 = 0.5 V cosα Vb = V cos α Vb = V² cos α Vb = 0.5 V² cosα Vb = 0.5 V cosα Vb = V cos α Vb = V² cos α Vb = 0.5 V² cosα ANSWER DOWNLOAD EXAMIANS APP