Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces Corrosion caused by oxygen Heat transfer coefficient pH value of water Cavitation of boiler feed pumps Corrosion caused by oxygen Heat transfer coefficient pH value of water Cavitation of boiler feed pumps ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Frictional losses Leakage Non availability of ideal substance It is not possible to achieve 0°K temperature Frictional losses Leakage Non availability of ideal substance It is not possible to achieve 0°K temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed Before the economiser None of these Between the economiser and chimney Before the superheater Before the economiser None of these Between the economiser and chimney Before the superheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle) Decreases None of these Remains constant Increases Decreases None of these Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as Stop valve Blow off cock Superheater Fusible plug Stop valve Blow off cock Superheater Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The dry saturated steam at very high pressure (150200 kg/cm²) when throttled to atmosphere will become Superheated Remain dry saturated Dry Wet Superheated Remain dry saturated Dry Wet ANSWER DOWNLOAD EXAMIANS APP
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