Steam Boilers, Engines, Nozzles and Turbines Cut-off governing of steam engines is a method of controlling the engine output by varying Pressure of intake steam Volume of intake steam All of these Temperature of intake steam Pressure of intake steam Volume of intake steam All of these Temperature of intake steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stoichiometric quantity of air is the Air required for complete combustion of fuel with no excess air Air required for optimum combustion so as to have reasonable excess air Air present in atmosphere at NTP conditions Air required to convert CO into CO₂ Air required for complete combustion of fuel with no excess air Air required for optimum combustion so as to have reasonable excess air Air present in atmosphere at NTP conditions Air required to convert CO into CO₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following substance will have same percentage in both proximate and ultimate analysis? Volatile matter Hydrogen Ash Moisture Volatile matter Hydrogen Ash Moisture ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is High steam and low water safety valve Dead weight safety valve Lever safety valve Spring loaded safety valve High steam and low water safety valve Dead weight safety valve Lever safety valve Spring loaded safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential Correct fuel air ratio Proper ignition temperature O₂ to support combustion All the three above Correct fuel air ratio Proper ignition temperature O₂ to support combustion All the three above ANSWER DOWNLOAD EXAMIANS APP
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