Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase flue gas temperature Economize on fuel Extract heat from the exhaust flue gases Increase thermal efficiency of boiler Increase flue gas temperature Economize on fuel Extract heat from the exhaust flue gases Increase thermal efficiency of boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The reheat factor is the ratio of the Cumulative heat drop to the isentropic heat drop None of these Total useful heat drop to the total isentropic heat drop Isentropic heat drop to the heat supplied Cumulative heat drop to the isentropic heat drop None of these Total useful heat drop to the total isentropic heat drop Isentropic heat drop to the heat supplied ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes in a Lancashire boiler compared to its shell is Two-fourth One-third One-half Two-fifth Two-fourth One-third One-half Two-fifth ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Woolf type compound engine, the high pressure and low pressure cylinders Have separate piston rod Are set at 90° Are set in V arrangement Have common piston rod Have separate piston rod Are set at 90° Are set in V arrangement Have common piston rod ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat balance sheet for the boiler shows the All of these Steam formed by combustion of hydrogen per kg of fuel Complete account of heat supplied by 1 kg of dry fuel and the heat consumed Moisture present in the fuel All of these Steam formed by combustion of hydrogen per kg of fuel Complete account of heat supplied by 1 kg of dry fuel and the heat consumed Moisture present in the fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure at which latent heat of vaporisation is zero is 1 kgf/ cm² 273 kgf/ cm² 100 kgf/ cm² 225.65 kgf/ cm² 1 kgf/ cm² 273 kgf/ cm² 100 kgf/ cm² 225.65 kgf/ cm² ANSWER DOWNLOAD EXAMIANS APP
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