Steam Boilers, Engines, Nozzles and Turbines Willian’s line for the steam engine is a straight line relationship between the steam consumption per hour and Brake power Efficiency Pressure of steam Indicated power Brake power Efficiency Pressure of steam Indicated power ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the fixed blades, Pressure decreases while velocity increases Pressure increases while velocity decreases Pressure and velocity both decreases Pressure and velocity both increases Pressure decreases while velocity increases Pressure increases while velocity decreases Pressure and velocity both decreases Pressure and velocity both increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure. Higher than None of these Equal to Less than Higher than None of these Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fusible plug for boilers is made of fusible metal containing tin, lead, and Nickel Copper Bismuth Aluminium Nickel Copper Bismuth Aluminium 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 = 0.5 V² cosα Vb = V² cos α Vb = 0.5 V cosα Vb = V cos α Vb = 0.5 V² cosα Vb = V² cos α Vb = 0.5 V cosα Vb = V cos α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be 0.67 0.4 0.56 1.67 0.67 0.4 0.56 1.67 ANSWER DOWNLOAD EXAMIANS APP