Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Increases steam pressure Increases steam flow Decreases fuel consumption Decreases steam pressure Increases steam pressure Increases steam flow Decreases fuel consumption Decreases steam pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Carbonization of coal is the process of Binding the pulverized coal into briquettes Heating wood in a limited supply of air at temperatures below 300°C Pulverizing coal in inert atmosphere Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Binding the pulverized coal into briquettes Heating wood in a limited supply of air at temperatures below 300°C Pulverizing coal in inert atmosphere 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 critical pressure ratio for initially superheated steam is __________ as compared to initially dry saturated steam. None of these Less More Same None of these Less More Same ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be 0.67 1.67 0.4 0.56 0.67 1.67 0.4 0.56 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is Dead weight safety valve Spring loaded safety valve High steam and low water safety valve Lever safety valve Dead weight safety valve Spring loaded safety valve High steam and low water safety valve Lever safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be None of these Choked Over-damping Under-damping None of these Choked Over-damping Under-damping ANSWER DOWNLOAD EXAMIANS APP
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