Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Keep the burner tips cool Because sputtering, possibly extinguishing flame Clean the nozzles Aid in proper combustion Keep the burner tips cool Because sputtering, possibly extinguishing flame Clean the nozzles Aid in proper combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which device is used in thermal power plants to reduce level of pollution? Precipitator Smoke meter Induced draft fan Chimney Precipitator Smoke meter Induced draft fan Chimney 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 p₂/p₁ p₁ + p₂ p₁/p₂ p₁. p₂ p₂/p₁ p₁ + p₂ p₁/p₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called Pressure gauge Safety valve Fusible plug Water level indicator Pressure gauge Safety valve Fusible plug Water level indicator ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In locomotives, the draught is produced by Induced draft fan Steam jet draught Chimney Both combined (A) and (B) Induced draft fan Steam jet draught Chimney Both combined (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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