Steam Boilers, Engines, Nozzles and Turbines In an impulse reaction turbine, the pressure drops gradually and continuously over Both fixed and moving blades None of these Fixed blades Moving blades Both fixed and moving blades None of these Fixed blades Moving blades 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 V² cosα 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are Externally fired None of these Internally fired Internally as well as externally fired Externally fired None of these Internally fired Internally as well as externally fired ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines With increase in load, convection superheater has Drooping characteristic Rising characteristic Flat characteristic Linear characteristic Drooping characteristic Rising characteristic Flat characteristic Linear characteristic ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Evaporative capacity of boiler is expressed as Steam pressure produced kg of steam produced kg of steam produced per kg of fuel fifed kg of fuel fired Steam pressure produced kg of steam produced kg of steam produced per kg of fuel fifed kg of fuel fired ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Locomotive boiler has __________ diameter. 4.75 mm 7.45 mm 47.5 mm 5.47 mm 4.75 mm 7.45 mm 47.5 mm 5.47 mm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS