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 V cosα Vb = 0.5 V² cosα Vb = V² cosα Vb = V cosα Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V² cosα Vb = V cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Throttle governing of steam engines is a method of controlling the engine output by varying Pressure of intake steam Volume of intake steam All of these Temperature of intake steam Pressure of intake steam Volume of intake steam All of these Temperature of intake steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Proximate analysis of fuel is determination of percentage of Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture Higher calorific value Lower calorific value Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture Higher calorific value Lower calorific value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which device is used in thermal power plants to reduce level of pollution? Induced draft fan Precipitator Chimney Smoke meter Induced draft fan Precipitator Chimney Smoke meter ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially dry saturated steam is 0.577 0.582 0.601 0.546 0.577 0.582 0.601 0.546 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a cross-head is to guide motion of the _________ and to prevent it from bending. Valve rod Connecting rod Piston rod Eccentric rod Valve rod Connecting rod Piston rod Eccentric rod ANSWER DOWNLOAD EXAMIANS APP
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