Steam Boilers, Engines, Nozzles and Turbines The friction in the nozzle __________ exit velocity of steam. Decreases None of these Has no effect on Increases Decreases None of these Has no effect on Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is 2 sin²α/(1 + sin²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 cos²α/(1 + cos²α) 2 sin²α/(1 + sin²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 cos²α/(1 + cos²α) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse reaction turbine, the pressure drops gradually and continuously over Both fixed and moving blades Fixed blades None of these Moving blades Both fixed and moving blades Fixed blades None of these Moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell of the Cochran boiler is made hemispherical Both (A) and (B) To withstand the pressure of steam inside the boiler None of these To give maximum space and strength Both (A) and (B) To withstand the pressure of steam inside the boiler None of these To give maximum space and strength ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________ numbers of stages are required. Less None of the listed here More Equal Less None of the listed here More Equal ANSWER DOWNLOAD EXAMIANS APP
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 Indicated power Efficiency Brake power Pressure of steam Indicated power Efficiency Brake power Pressure of steam ANSWER DOWNLOAD EXAMIANS APP
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