Steam Boilers, Engines, Nozzles and Turbines The ultimate analysis of fuel lists Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is steam dial? Non-coking bituminous coal Brown coal Coking bituminous coal Pulverized coal Non-coking bituminous coal Brown coal Coking bituminous coal Pulverized coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines are used for All of these Electric power generation Direct drive of fans, compressors, pumps Large marine propulsion All of these Electric power generation Direct drive of fans, compressors, pumps Large marine propulsion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value (1- moisture content) 1 – moisture content 1 + moisture content (1 + moisture content) (1- moisture content) 1 – moisture content 1 + moisture content (1 + moisture content) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small steam plants is to Pump feed water Create vacuum in furnace Create vacuum at turbine exhaust Dose chemicals in feed water Pump feed water Create vacuum in furnace Create vacuum at turbine exhaust Dose chemicals in feed water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off of 0.35. The expansion ratio for this engine is nearly 1.05 10.05 2.86 6.65 1.05 10.05 2.86 6.65 ANSWER DOWNLOAD EXAMIANS APP