Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 10 to 15% 40 to 60% 15 to 25% 25 to 40% 10 to 15% 40 to 60% 15 to 25% 25 to 40% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Carbonization of coal is the process of Pulverizing coal in inert atmosphere Binding the pulverized coal into briquettes Heating wood in a limited supply of air at temperatures below 300°C Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Pulverizing coal in inert atmosphere Binding the pulverized coal into briquettes Heating wood in a limited supply of air at temperatures below 300°C Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel 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 Stage efficiency Nozzle efficiency Blading efficiency Mechanical efficiency Stage efficiency Nozzle efficiency Blading efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Duplex feed pumps are used in small steam boilers. These operate on the principle of Centrifugal pump Gear pump Axial flow pump Reciprocating pump Centrifugal pump Gear pump Axial flow pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of a thermal cycle increases by Both (A) and (B) Cooling of steam Reheating of steam Regeneration Both (A) and (B) Cooling of steam Reheating of steam Regeneration ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, the heat is lost All of these To dry flue gases To steam formed by combustion of hydrogen per kg of fuel In moisture present in the fuel All of these To dry flue gases To steam formed by combustion of hydrogen per kg of fuel In moisture present in the fuel ANSWER DOWNLOAD EXAMIANS APP