Steam Boilers, Engines, Nozzles and Turbines Sulphur in coal results in All of these Facilitating ash precipitation Corroding air heaters Spontaneous combustion during coal storage All of these Facilitating ash precipitation Corroding air heaters Spontaneous combustion during coal storage ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced. Remains same Decreases Increases None of the listed here Remains same Decreases Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for gases is 0.582 0.577 0.528 0.546 0.582 0.577 0.528 0.546 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion. 90° 60° 270° 180° 90° 60° 270° 180° ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of 40 atmospheres 30 atmospheres 10 atmospheres 20 atmospheres 40 atmospheres 30 atmospheres 10 atmospheres 20 atmospheres ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water boils when its vapor pressure Equals that of the surroundings Equals to atmospheric pressure Equals the pressure of water in the container Equals 760 mm of mercury Equals that of the surroundings Equals to atmospheric pressure Equals the pressure of water in the container Equals 760 mm of mercury ANSWER DOWNLOAD EXAMIANS APP