Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Give maximum strength Give maximum space Resist intense heat in fire box Withstand pressure inside boiler Give maximum strength Give maximum space Resist intense heat in fire box Withstand pressure inside boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diagram factor is the ratio of the Area of the actual indicator diagram to the area of theoretical indicator diagram Actual workdone per stroke to the theoretical workdone per stroke Any one of the above Actual mean effective pressure to the theoretical mean effective pressure Area of the actual indicator diagram to the area of theoretical indicator diagram Actual workdone per stroke to the theoretical workdone per stroke Any one of the above Actual mean effective pressure to the theoretical mean effective pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum heat loss is a boiler occurs due to Steam formation Moisture in fuel Unburnt carbon Dry flue gases Steam formation Moisture in fuel Unburnt carbon Dry flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expansion ratio is the ratio of Swept volume to the clearance volume Swept volume to the volume at cut-off Volume at cut-off to the swept volume Clearance volume to the swept volume Swept volume to the clearance volume Swept volume to the volume at cut-off Volume at cut-off to the swept volume Clearance volume to the swept volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be 302 kW 282 kW 296 kW 260 kW 302 kW 282 kW 296 kW 260 kW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure. None of these Higher than Lower than Equal to None of these Higher than Lower than Equal to ANSWER DOWNLOAD EXAMIANS APP
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