Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces pH value of water Corrosion caused by oxygen Cavitation of boiler feed pumps Heat transfer coefficient pH value of water Corrosion caused by oxygen Cavitation of boiler feed pumps Heat transfer coefficient ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in, a Coarran and Scottish marine boiler are Both horizontal and vertical Vertical Horizontal Inclined Both horizontal and vertical Vertical Horizontal Inclined ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler First increases and then decreases Remain unaffected Increases Decreases First increases and then decreases Remain unaffected Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ultimate analysis of fuel lists Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume 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 Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume 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 Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash 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
Steam Boilers, Engines, Nozzles and Turbines The specific heat of superheated steam in kcal/kg is generally of the order of 0.5 0.3 0.1 0.8 0.5 0.3 0.1 0.8 ANSWER DOWNLOAD EXAMIANS APP