Steam Boilers, Engines, Nozzles and Turbines Blow off cock in a boiler is used to Increase the temperature of saturated steam without raising its pressure Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Increase the temperature of saturated steam without raising its pressure Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat loss in a boiler takes place in the form of Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by flue gases Heat carried away by ash All of these Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by flue gases Heat carried away by ash All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The main object of a boiler trial is All of these To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure To prepare heat balance sheet for the boiler All of these To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure To prepare heat balance sheet for the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is installed in a boiler primarily to Increase steam pressure All of the listed here Reduce fuel consumption Superheat the steam Increase steam pressure All of the listed here Reduce fuel consumption Superheat the steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by Vertical straight line Straight inclined line Curved line Horizontal straight line Vertical straight line Straight inclined line Curved line Horizontal straight line ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The flow through a nozzle is regarded as Constant volume flow Constant pressure flow Isothermal flow Isentropic flow Constant volume flow Constant pressure flow Isothermal flow Isentropic flow ANSWER DOWNLOAD EXAMIANS APP
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