Steam Boilers, Engines, Nozzles and Turbines The temperature of flue gases at air heater outlet should be Below dew point temperature of flue gases Above dew point temperature of flue gases 100°C Less than wet bulb temperature of flue gases Below dew point temperature of flue gases Above dew point temperature of flue gases 100°C Less than wet bulb temperature of flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines All steam engines work on None of the listed here Second law of thermodynamics First law of thermodynamics Zeroth law of thermodynamics None of the listed here Second law of thermodynamics First law of thermodynamics Zeroth law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure) p₁/p₂ p₁ + p₂ p₁. p₂ p₂/p₁ p₁/p₂ p₁ + p₂ p₁. p₂ p₂/p₁ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop Is unpredictable Increases Remains the same Decreases Is unpredictable Increases Remains the same Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The relative efficiency is defined as the Product of thermal efficiency and Rankine efficiency Ratio of thermal efficiency to Rankine efficiency Ratio of brake power to the indicated power Ratio of heat equivalent to indicated power to the energy supplied in steam Product of thermal efficiency and Rankine efficiency Ratio of thermal efficiency to Rankine efficiency Ratio of brake power to the indicated power Ratio of heat equivalent to indicated power to the energy supplied in steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power) 1/(I.P) 1/(I.P)² (I.P.)² I.P. 1/(I.P) 1/(I.P)² (I.P.)² I.P. ANSWER DOWNLOAD EXAMIANS APP