Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the ratio of expansion Does not change Decreases Increases None of these Does not change Decreases Increases None of these 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 V² cosα Vb = 0.5 V cosα Vb = V cosα Vb = V² cosα Vb = 0.5 V² cosα Vb = 0.5 V cosα Vb = V cosα Vb = V² cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the inlet pressure of steam is equal to the exit pressure, then There is a pressure drop in the nozzle There is no pressure drop and fluid does not flow through the nozzle Fluid flows through the nozzle Pressure drops and fluid flows through the nozzle There is a pressure drop in the nozzle There is no pressure drop and fluid does not flow through the nozzle Fluid flows through the nozzle Pressure drops and fluid flows through the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A boiler in India should conform to safety regulations of IBR DIN BS ASTM IBR DIN BS ASTM ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of friction on the flow of steam through a nozzle is to Increase the mass flow rate and to increase the exit temperature Decrease the mass flow rate and to decrease the wetness of steam Decrease the mass flow rate and to increase the wetness of steam Increase the exit temperature without any effect on mass flow rate Increase the mass flow rate and to increase the exit temperature Decrease the mass flow rate and to decrease the wetness of steam Decrease the mass flow rate and to increase the wetness of steam Increase the exit temperature without any effect on mass flow rate ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur content of fuels is very important to the plant operators because it Retards electric precipitation Promotes complete combustion Has high heating value Has highly corrosive effect Retards electric precipitation Promotes complete combustion Has high heating value Has highly corrosive effect ANSWER DOWNLOAD EXAMIANS APP
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