Steam Boilers, Engines, Nozzles and Turbines The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages. Same None of these Less More Same None of these Less More ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The flow of steam is supersonic 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 In the divergent portion of the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Identical fixed and moving blades Fixed and moving blades of different shape Only moving blades Only fixed blades Identical fixed and moving blades Fixed and moving blades of different shape Only moving blades Only fixed blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in, a Coarran and Scottish marine boiler are Horizontal Both horizontal and vertical Inclined Vertical Horizontal Both horizontal and vertical Inclined Vertical 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 V² cosα Vb = V cos α Vb = 0.5 V cosα Vb = V² cos α Vb = 0.5 V² cosα Vb = V cos α Vb = 0.5 V cosα Vb = V² cos α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell. One-third One-half One-fourth Two-fifth One-third One-half One-fourth Two-fifth ANSWER DOWNLOAD EXAMIANS APP