Steam Boilers, Engines, Nozzles and Turbines The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages. None of these Same More Less None of these Same More Less 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 = V² cosα Vb = V cosα Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V² cosα Vb = V cosα Vb = 0.5 V cosα Vb = 0.5 V² cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the clearance volume to the swept volume is called Clearance ratio Expansion ratio None of these Cut-off ratio Clearance ratio Expansion ratio None of these Cut-off ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Mollier chart, flow through turbine is represented by Horizontal straight line Curved line Vertical straight line Straight inclined line Horizontal straight line Curved line Vertical straight line Straight inclined line 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 Increase the exit temperature without any effect on mass flow rate 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 mass flow rate and to increase the exit temperature Increase the exit temperature without any effect on mass flow rate Decrease the mass flow rate and to decrease the wetness of steam Decrease the mass flow rate and to increase the wetness of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ultimate analysis of fuel lists Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash ANSWER DOWNLOAD EXAMIANS APP
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