Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Decreases steam pressure Decreases fuel consumption Increases steam pressure Increases steam flow Decreases steam pressure Decreases fuel consumption Increases steam pressure Increases steam flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat loss in a boiler takes place in the form of Heat carried away by ash Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by flue gases All of these Heat carried away by ash Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by flue gases All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When steam after doing work in the cylinder passes into a condenser, the engine is said to be a Slow speed engine Vertical steam engine Condensing steam engine Non-condensing steam engine Slow speed engine Vertical steam engine Condensing steam engine Non-condensing steam engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of bleeding is that All of these Boiler is supplied with hot water It decreases the power developed by the turbine It increases the thermodynamic efficiency of the turbine All of these Boiler is supplied with hot water It decreases the power developed by the turbine It increases the thermodynamic efficiency of the turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of an impulse turbine is maximum when (where Vb = Blade speed, V = Absolute velocity of steam entering the blade, and α = Nozzle angle) Vb = 0.5 V cosα Vb = V² cosα Vb = 0.5 V² cosα Vb = V cosα Vb = 0.5 V cosα Vb = V² cosα Vb = 0.5 V² cosα Vb = V cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines With increase in load, radiant superheater has Rising characteristic Flat characteristic Linear characteristic Drooping characteristic Rising characteristic Flat characteristic Linear characteristic Drooping characteristic ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS