Steam Boilers, Engines, Nozzles and Turbines The ratio of the isentropic heat drop to the heat supplied, is called Internal efficiency Rankine efficiency Reheat factor Stage efficiency Internal efficiency Rankine efficiency Reheat factor Stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The artificial draught is produced by Centrifugal fan Chimney Steam jet Both (A) and (B) Centrifugal fan Chimney Steam jet Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The blade friction in the impulse turbine reduces the velocity of steam by __________ while it passes over the blades. 30 to 40% 10 to 15% 20 to 30% 15 to 20% 30 to 40% 10 to 15% 20 to 30% 15 to 20% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about effect of sulphur in fuel? It erodes furnace walls It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low It has heating value It helps in electrostatic precipitation of ash in flue gases It erodes furnace walls It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low It has heating value It helps in electrostatic precipitation of ash in flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diagram efficiency is the ratio of Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam Workdone on the blades to the energy supplied to the blades None of these Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam Workdone on the blades to the energy supplied to the blades None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A throttle governed steam engine develops 15 kW with 280 kg per hour of steam and 35 kW with 520 kg per hour of steam. The steam consumption in kg per hour when developing 20 kW will be nearly 280 kg/h 340 kg/h 150 kg/h 210 kg/h 280 kg/h 340 kg/h 150 kg/h 210 kg/h ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS