Steam Boilers, Engines, Nozzles and Turbines On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by Straight inclined line Horizontal straight line Vertical straight line Curved line Straight inclined line Horizontal straight line Vertical straight line Curved line ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In fire tube boilers Forced circulation takes place Water passes through the tubes which are surrounded by flames and hot gases None of these The flames and hot gases pass through the tubes which are surrounded by water Forced circulation takes place Water passes through the tubes which are surrounded by flames and hot gases None of these The flames and hot gases pass through the tubes which are surrounded by water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The missing quantity per stroke is equal to Cylinder feed + indicated mass of steam Mass of cushion steam + indicated mass of steam Cylinder feed indicated mass of steam Mass of cushion steam + cylinder feed Cylinder feed + indicated mass of steam Mass of cushion steam + indicated mass of steam Cylinder feed indicated mass of steam Mass of cushion steam + cylinder feed 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 Tertiary air is the air used to Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Cool the scanners Transport and dry the coal Provide air around burners for obtaining optimum combustion Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Cool the scanners Transport and dry the coal Provide air around burners for obtaining optimum combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to 421 kg.m 102 kg.m 421 kg.m 539 kg.m 421 kg.m 102 kg.m 421 kg.m 539 kg.m ANSWER DOWNLOAD EXAMIANS APP
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