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 = V² cosα Vb = V cosα Vb = 0.5 V² cosα Vb = 0.5 V cosα Vb = V² cosα Vb = V cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expansion ratio is the ratio of Clearance volume to the swept volume Volume at cut-off to the swept volume Swept volume to the clearance volume Swept volume to the volume at cut-off Clearance volume to the swept volume Volume at cut-off to the swept volume Swept volume to the clearance volume Swept volume to the volume at cut-off ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Clearance ratio is the ratio of Swept volume to the clearance volume Clearance volume to the volume at cut-off Volume at cut-off to the swept volume Clearance volume to the swept volume Swept volume to the clearance volume Clearance volume to the volume at cut-off Volume at cut-off to the swept volume Clearance volume to the swept volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following boiler is best suited to meet the fluctuating demand of steam? Locomotive boiler Babcock and Wilcox boiler Lancashire boiler Cornish boiler Locomotive boiler Babcock and Wilcox boiler Lancashire boiler Cornish boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water at pressure of 4 kg/cm² and 160°C temperature when exposed to atmosphere will Flash i.e. get converted into steam Boil Remain as it was Cool down Flash i.e. get converted into steam Boil Remain as it was Cool down ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Reheating of steam under ideal conditions takes place at constant Pressure Entropy Enthalpy Temperature Pressure Entropy Enthalpy Temperature ANSWER DOWNLOAD EXAMIANS APP
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