Steam Boilers, Engines, Nozzles and Turbines The diameter of Cornish boiler varies from 1 to 2 m 2 to 3 m 1.25 to 2.5 m 0.5 to 1 m 1 to 2 m 2 to 3 m 1.25 to 2.5 m 0.5 to 1 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = 0.5 V² cosα Vb = 0.5 V cosα Vb = V² cos α Vb = V cos α Vb = 0.5 V² cosα Vb = 0.5 V cosα Vb = V² cos α Vb = V cos α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The aim of a compound steam engine is All of these To reduce the ratio of expansion in each cylinder To reduce the temperature range in each cylinder To reduce the length of stroke All of these To reduce the ratio of expansion in each cylinder To reduce the temperature range in each cylinder To reduce the length of stroke ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop Remains the same Is unpredictable Increases Decreases Remains the same Is unpredictable Increases Decreases 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 Check level of water in boiler drum Regulate flow of boiler water Recirculate unwanted feed water Allow high pressure feed water to flow to drum and not allow reverse flow to take place Check level of water in boiler drum Regulate flow of boiler water Recirculate unwanted feed water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following compound steam engine requires a smaller flywheel? Woolf type Tandem type All of these Receiver type Woolf type Tandem type All of these Receiver type ANSWER DOWNLOAD EXAMIANS APP
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