Steam Boilers, Engines, Nozzles and Turbines The equivalent evaporation of a boiler is a measure to compare Two different makes of boilers operating under the same operating conditions The two different boilers of the same make Any type of boilers operating under any conditions The given boiler with the model Two different makes of boilers operating under the same operating conditions The two different boilers of the same make Any type of boilers operating under any conditions The given boiler with the model ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is not used in Cornish boiler Lancashire boiler Locomotive boiler Cochran boiler Cornish boiler Lancashire boiler Locomotive boiler Cochran boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Increases steam flow Decreases steam pressure Decreases fuel consumption Increases steam pressure Increases steam flow Decreases steam pressure Decreases fuel consumption Increases steam pressure 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 p₂/p₁ p₁ + p₂ p₁/p₂ p₁. p₂ p₂/p₁ p₁ + p₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Leakage Frictional losses It is not possible to achieve 0°K temperature Non availability of ideal substance Leakage Frictional losses It is not possible to achieve 0°K temperature Non availability of ideal substance ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbines are mostly used Where low speeds are required For small power purposes and high speeds For large power purposes For small power purposes and low speeds Where low speeds are required For small power purposes and high speeds For large power purposes For small power purposes and low speeds ANSWER DOWNLOAD EXAMIANS APP