Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Identical fixed and moving blades Only moving blades Fixed and moving blades of different shape Only fixed blades Identical fixed and moving blades Only moving blades Fixed and moving blades of different shape Only fixed blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual vacuum in a condenser is equal to Gauge pressure + atmospheric pressure Barometric pressure + actual pressure Barometric pressure - actual pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Barometric pressure + actual pressure Barometric pressure - actual pressure Gauge pressure - atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be 79 m/s 450 m/s 900 m/s 188 m/s 79 m/s 450 m/s 900 m/s 188 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Benson boiler requires One drum No drum Two drums Three drums One drum No drum Two drums Three drums ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat Less than the velocity of sound Equal to the velocity of sound None of these More than the velocity of sound Less than the velocity of sound Equal to the velocity of sound None of these More than the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines With increase in load, convection superheater has Linear characteristic Rising characteristic Drooping characteristic Flat characteristic Linear characteristic Rising characteristic Drooping characteristic Flat characteristic ANSWER DOWNLOAD EXAMIANS APP
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