Steam Boilers, Engines, Nozzles and Turbines The function of a cross-head is to guide motion of the _________ and to prevent it from bending. Connecting rod Valve rod Eccentric rod Piston rod Connecting rod Valve rod Eccentric rod Piston rod ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction in the nozzle __________ exit velocity of steam. Has no effect on Decreases None of these Increases Has no effect on Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell. One-fourth Two-fifth One-third One-half One-fourth Two-fifth One-third One-half ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as Superheater Air-preheater Injector Economizer Superheater Air-preheater Injector Economizer ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is Internally fired boiler Horizontal boiler All of these Stationary fire tube boiler Internally fired boiler Horizontal boiler All of these Stationary fire tube boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat loss in a boiler takes place in the form of Heat carried away by flue gases Moisture present in fuel and steam formed by combustion of hydrogen in fuel All of these Heat carried away by ash Heat carried away by flue gases Moisture present in fuel and steam formed by combustion of hydrogen in fuel All of these Heat carried away by ash ANSWER DOWNLOAD EXAMIANS APP