Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Higher value Lower/higher depending on steam flow Lower value Same value Higher value Lower/higher depending on steam flow Lower value Same value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The balanced draft furnace is one using Induced draft fan and chimney Induced draft fan and forced draft fan Forced draft fan and chimney Any one of the above Induced draft fan and chimney Induced draft fan and forced draft fan Forced draft fan and chimney Any one of the above 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 Which of the following gases has the highest calorific value? Producer gas Water gas Coal gas Blast furnace gas Producer gas Water gas Coal gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines O₂ content in atmospheric air on volume basis is 0.23 0.3 0.21 0.4 0.23 0.3 0.21 0.4 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces Cavitation of boiler feed pumps 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 ANSWER DOWNLOAD EXAMIANS APP
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