Steam Boilers, Engines, Nozzles and Turbines A condenser in a steam power plant Increases expansion ratio of steam Reduces back pressure of steam All of these Reduces temperature of exhaust steam Increases expansion ratio of steam Reduces back pressure of steam All of these Reduces temperature of exhaust steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Blading efficiency is also known as None of these Nozzle efficiency Stage efficiency Diagram efficiency None of these Nozzle efficiency Stage efficiency Diagram efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell. One-third Two-fifth One-fourth One-half One-third Two-fifth One-fourth One-half ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the actual vacuum to the ideal vacuum in a condenser is called Boiler efficiency Condenser efficiency Vacuum efficiency Nozzle efficiency Boiler efficiency Condenser efficiency Vacuum efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = V² cos α Vb = V cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V² cos α Vb = V cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180° to each other, is called Receiver type compound engine Tandem type compound engine Both (A) and (B) Woolf type compound engine Receiver type compound engine Tandem type compound engine Both (A) and (B) Woolf type compound engine ANSWER DOWNLOAD EXAMIANS APP
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