Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Withstand pressure inside boiler Give maximum space Give maximum strength Resist intense heat in fire box Withstand pressure inside boiler Give maximum space Give maximum strength Resist intense heat in fire box 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 None of these Forced steam jet draught Induced steam jet draught Chimney draught None of these Forced steam jet draught Induced steam jet draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single acting steam engine produces ___ power than that of double acting steam engine. Half Double Four times Equal Half Double Four times Equal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up wrong statement about desired properties of a good fuel Ease in storing Produce minimum smoke and gases High calorific value High ignition point Ease in storing Produce minimum smoke and gases High calorific value High ignition point ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine The steam is expanded in nozzles only and there is a pressure drop and heat drop The pressure and temperature of steam remains constant The steam is expanded both in fixed and moving blades continuously The steam is expanded in moving blades only The steam is expanded in nozzles only and there is a pressure drop and heat drop The pressure and temperature of steam remains constant The steam is expanded both in fixed and moving blades continuously The steam is expanded in moving blades only ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, pā) will be 8.2 bar 3.3 bar 9.9 bar 5.46 bar 8.2 bar 3.3 bar 9.9 bar 5.46 bar ANSWER DOWNLOAD EXAMIANS APP
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