Steam Boilers, Engines, Nozzles and Turbines The bituminous coal is no caking if its carbon content is 78-81% 90-95% 81-85% 85-90% 78-81% 90-95% 81-85% 85-90% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure. None of these Equal to Lower than Higher than None of these Equal to Lower than Higher than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential All the three above O₂ to support combustion Proper ignition temperature Correct fuel air ratio All the three above O₂ to support combustion Proper ignition temperature Correct fuel air ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat None of these Less than the velocity of sound Equal to the velocity of sound More than the velocity of sound None of these Less than the velocity of sound Equal to the velocity of sound More than the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell. One-fourth Two-fifth One-half One-third One-fourth Two-fifth One-half One-third ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stoichiometric quantity of air is the 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 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 ANSWER DOWNLOAD EXAMIANS APP