Steam Boilers, Engines, Nozzles and Turbines The function of a safety valve is To indicate the water level inside the boiler to an observer To measure pressure of steam inside the steam boiler To blow off steam when the pressure of steam inside the boiler exceeds the working pressure None of these To indicate the water level inside the boiler to an observer To measure pressure of steam inside the steam boiler To blow off steam when the pressure of steam inside the boiler exceeds the working pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam __________ while flowing through a nozzle. None of these Increases Remains constant Decreases None of these Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K) 88.25H/T1 T1 /88.25H 176.5H/T1 T1 /176.5H 88.25H/T1 T1 /88.25H 176.5H/T1 T1 /176.5H ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur in coal results in All of these Corroding air heaters Spontaneous combustion during coal storage Facilitating ash precipitation All of these Corroding air heaters Spontaneous combustion during coal storage Facilitating ash precipitation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to reduce the rotor speed of an impulse turbine, the method employed is Velocity compounding Pressure-velocity compounding Pressure compounding All of these Velocity compounding Pressure-velocity compounding Pressure compounding All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal May increase or decrease depending upon the method of storage Increases Decreases Remain constant May increase or decrease depending upon the method of storage Increases Decreases Remain constant ANSWER DOWNLOAD EXAMIANS APP
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