Steam Boilers, Engines, Nozzles and Turbines A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as Steam condenser Economiser Steam boiler Steam preheater Steam condenser Economiser Steam boiler Steam preheater 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 On Mollier chart, flow through turbine is represented by Vertical straight line Horizontal straight line Straight inclined line Curved line Vertical straight line Horizontal straight line Straight inclined line Curved line ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Economical Desirable Essential Uneconomical Economical Desirable Essential Uneconomical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Locomotive boiler has __________ diameter. 47.5 mm 7.45 mm 4.75 mm 5.47 mm 47.5 mm 7.45 mm 4.75 mm 5.47 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The feed check valve is used in order to Allow high pressure feed water to flow to drum and not allow reverse flow to take place Recirculate unwanted feed water Check level of water in boiler drum Regulate flow of boiler water Allow high pressure feed water to flow to drum and not allow reverse flow to take place Recirculate unwanted feed water Check level of water in boiler drum Regulate flow of boiler water ANSWER DOWNLOAD EXAMIANS APP