Steam Boilers, Engines, Nozzles and Turbines Sublimation region is the region where Solid and liquid phases are in equilibrium Solid, liquid and vapor phases are in equilibrium Liquid and vapor phases are in equilibrium Solid and vapor phases are in equilibrium Solid and liquid phases are in equilibrium Solid, liquid and vapor phases are in equilibrium Liquid and vapor phases are in equilibrium Solid and vapor phases are in equilibrium ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Green coal, in order to be burnt, must be Heated sufficiently Heated to its ignition point Burnt as powder Burnt in excess air Heated sufficiently Heated to its ignition point Burnt as powder Burnt in excess air 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) p₂/p₁ p₁/p₂ p₁ + p₂ p₁. p₂ p₂/p₁ p₁/p₂ p₁ + p₂ p₁. p₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In regenerative air preheaters, the heat is transferred By direct mixing Heat is transferred by bleeding some gas from furnace From a metal wall from one medium to another From heating an intermediate material and then heating the air from this material By direct mixing Heat is transferred by bleeding some gas from furnace From a metal wall from one medium to another From heating an intermediate material and then heating the air from this material ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A regenerative steam cycle renders Decreased work output per unit mass of steam as well as increased thermal efficiency Increased thermal efficiency Decreased work output per unit mass of steam Increased work output per unit mass of steam Decreased work output per unit mass of steam as well as increased thermal efficiency Increased thermal efficiency Decreased work output per unit mass of steam Increased work output per unit mass of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The specific heat of superheated steam in kcal/kg is generally of the order of 0.3 0.1 0.8 0.5 0.3 0.1 0.8 0.5 ANSWER DOWNLOAD EXAMIANS APP
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