Steam Boilers, Engines, Nozzles and Turbines Stoichiometric quantity of air is the Air required to convert CO into CO₂ Air present in atmosphere at NTP conditions Air required for optimum combustion so as to have reasonable excess air Air required for complete combustion of fuel with no excess air Air required to convert CO into CO₂ Air present in atmosphere at NTP conditions Air required for optimum combustion so as to have reasonable excess air Air required for complete combustion of fuel with no excess air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Coke is produced by Enriching carbon in the coal Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Heating wood in a limited supply of air at temperatures below 300°C Pulverizing coal in inert atmosphere Enriching carbon in the coal Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Heating wood in a limited supply of air at temperatures below 300°C Pulverizing coal in inert atmosphere ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A throttle governed steam engine develops 15 kW with 280 kg per hour of steam and 35 kW with 520 kg per hour of steam. The steam consumption in kg per hour when developing 20 kW will be nearly 280 kg/h 210 kg/h 150 kg/h 340 kg/h 280 kg/h 210 kg/h 150 kg/h 340 kg/h ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A steam turbine, in which a part of the steam after partial expansion, is used for process heating and the remaining steam is further expanded for power generation, is known as Back pressure turbine Low pressure turbine Pass out turbine Impulse turbine Back pressure turbine Low pressure turbine Pass out turbine Impulse turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Internal efficiency Rankine efficiency None of these Stage efficiency Internal efficiency Rankine efficiency None of these Stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At critical point, i.e. p=225.65 kg/cm², the latent enthalpy of vaporisation is Zero Minimum Maximum Depends on temperature also Zero Minimum Maximum Depends on temperature also ANSWER DOWNLOAD EXAMIANS APP
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