Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase thermal efficiency of boiler Economize on fuel Increase flue gas temperature Extract heat from the exhaust flue gases Increase thermal efficiency of boiler Economize on fuel Increase flue gas temperature Extract heat from the exhaust flue gases 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 0.5 0.1 0.8 0.3 0.5 0.1 0.8 0.3 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure. Higher than Lower than Equal to None of these Higher than Lower than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the correct statement as regards Cornish boiler and Lancashire boiler 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 Cornish is fire tube and Lancashire is water tube ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 25 to 40% 40 to 60% 15 to 25% 10 to 15% 25 to 40% 40 to 60% 15 to 25% 10 to 15% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The number of drums in Benson steam generator is One steam drum and one water drum One Two No drum One steam drum and one water drum One Two No drum ANSWER DOWNLOAD EXAMIANS APP
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