Steam Boilers, Engines, Nozzles and Turbines The average operating pressure of Benson boiler is 100 bar 150 bar 250 bar 200 bar 100 bar 150 bar 250 bar 200 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called Balanced draught Forced draught Natural draught Induced draught Balanced draught Forced draught Natural draught Induced draught 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 V cosα Vb = 0.5 V² cosα Vb = V² cos α Vb = V cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V² cos α Vb = V cos α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which device is used in thermal power plants to reduce level of pollution? Chimney Precipitator Smoke meter Induced draft fan Chimney Precipitator Smoke meter Induced draft fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Same value Higher value Lower/higher depending on steam flow Lower value Same value Higher value Lower/higher depending on steam flow Lower value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the correct statement as regards Cornish boiler and Lancashire boiler Cornish is fire tube and Lancashire is water tube Lancashire has two fire tubes and Cornish has one Cornish is water tube and Lancashire is fire tube Cornish has two fire tubes and Lancashire has one Cornish is fire tube and Lancashire is water tube Lancashire has two fire tubes and Cornish has one Cornish is water tube and Lancashire is fire tube Cornish has two fire tubes and Lancashire has one ANSWER DOWNLOAD EXAMIANS APP
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