Steam Boilers, Engines, Nozzles and Turbines In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure. Equal to Lower than None of these Higher than Equal to Lower than None of these Higher than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A condenser in a steam power plant Increases expansion ratio of steam All of these Reduces temperature of exhaust steam Reduces back pressure of steam Increases expansion ratio of steam All of these Reduces temperature of exhaust steam Reduces back pressure of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio (p₂/p₁) is given by (p₂/p₁) = [(n - 1)/2] n + (1/n) (p₂/p₁) = [2/(n - 1)] n/(n + 1) (p₂/p₁) = [2/(n + 1)] n/(n-1) (p₂/p₁) = [(n + 1)/2] n - (1/n) (p₂/p₁) = [(n - 1)/2] n + (1/n) (p₂/p₁) = [2/(n - 1)] n/(n + 1) (p₂/p₁) = [2/(n + 1)] n/(n-1) (p₂/p₁) = [(n + 1)/2] n - (1/n) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Aid in proper combustion Clean the nozzles Because sputtering, possibly extinguishing flame Keep the burner tips cool Aid in proper combustion Clean the nozzles Because sputtering, possibly extinguishing flame Keep the burner tips cool 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 Lancashire boiler Babcock and Wilcox boiler Cornish boiler Locomotive boiler Lancashire boiler Babcock and Wilcox boiler Cornish boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The change in internal energy in steam engines equals to Work done during compression Work done during adiabatic expansion Change in enthalpy Work done during the Rankine cycle Work done during compression Work done during adiabatic expansion Change in enthalpy Work done during the Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
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