Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Economize on fuel Increase flue gas temperature Extract heat from the exhaust flue gases Increase thermal efficiency of boiler Economize on fuel Increase flue gas temperature Extract heat from the exhaust flue gases Increase thermal efficiency of boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called Chimney draught Induced steam jet draught None of these Forced steam jet draught Chimney draught Induced steam jet draught None of these Forced steam jet draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse reaction turbine, the pressure drops gradually and continuously over None of these Both fixed and moving blades Fixed blades Moving blades None of these Both fixed and moving blades Fixed blades Moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of steam produced in Benson boiler is 135 tonnes/h 100 tonnes/h 175 tonnes/h 250 tonnes/h 135 tonnes/h 100 tonnes/h 175 tonnes/h 250 tonnes/h ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of flue tube in a Cornish boiler is _________ that of the shell. One-fourth One-third Three-fifth Two-fifth One-fourth One-third Three-fifth Two-fifth ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit. Blow off cock Stop valve Fusible plug Safety valve Blow off cock Stop valve Fusible plug Safety valve ANSWER DOWNLOAD EXAMIANS APP
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