Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential Proper ignition temperature All the three above Correct fuel air ratio O₂ to support combustion Proper ignition temperature All the three above Correct fuel air ratio O₂ to support combustion 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 100 kgf/ cm² 225.65 kgf/ cm² 273 kgf/ cm² 1 kgf/ cm² 100 kgf/ cm² 225.65 kgf/ cm² 273 kgf/ cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) tan²α sin²α cot²α cos²α tan²α sin²α cot²α cos²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameters of fire tubes and superheater tubes in locomotive boiler are 32.5 mm, 180 mm 65.5 mm, 210 mm 47.5 mm, 130 mm 24.5 mm, 65 mm 32.5 mm, 180 mm 65.5 mm, 210 mm 47.5 mm, 130 mm 24.5 mm, 65 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The state of vapor under saturation condition is described by Pressure alone Pressure and temperature Pressure and dryness fraction Temperature alone Pressure alone Pressure and temperature Pressure and dryness fraction Temperature alone ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The change in internal energy in steam engines equals to Work done during adiabatic expansion Work done during the Rankine cycle Change in enthalpy Work done during compression Work done during adiabatic expansion Work done during the Rankine cycle Change in enthalpy Work done during compression ANSWER DOWNLOAD EXAMIANS APP
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