Steam Boilers, Engines, Nozzles and Turbines The diameter of fire tube of Cornish boiler compared to its shell is One fifth One fourth One half One third One fifth One fourth One half One third ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of reheat steam after passing through reheater compared to inlet condition is More May be more or less depending on capacity of reheater Less Equal More May be more or less depending on capacity of reheater Less Equal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the work-done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called Nozzle efficiency Stage efficiency Blading efficiency Mechanical efficiency Nozzle efficiency Stage efficiency Blading efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as Efficiency of the fan Power of the boiler Efficiency of the boiler Efficiency of the chimney Efficiency of the fan Power of the boiler Efficiency of the boiler Efficiency of the chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur in coal results in Spontaneous combustion during coal storage Facilitating ash precipitation All of these Corroding air heaters Spontaneous combustion during coal storage Facilitating ash precipitation All of these Corroding air heaters ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is installed in a boiler primarily to All of the listed here Reduce fuel consumption Increase steam pressure Superheat the steam All of the listed here Reduce fuel consumption Increase steam pressure Superheat the steam ANSWER DOWNLOAD EXAMIANS APP