Steam Boilers, Engines, Nozzles and Turbines The diameters of fire tubes and superheater tubes in locomotive boiler are 65.5 mm, 210 mm 24.5 mm, 65 mm 32.5 mm, 180 mm 47.5 mm, 130 mm 65.5 mm, 210 mm 24.5 mm, 65 mm 32.5 mm, 180 mm 47.5 mm, 130 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of friction in the nozzle ___ dryness fraction of steam. Increases Has no effect on None of the listed here Decreases Increases Has no effect on None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Film boiling occurs at Very high pressures Atmospheric pressures Very low pressure Medium pressures Very high pressures Atmospheric pressures Very low pressure Medium pressures ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has More heating surface Less heating surface Equal heating surface Heating surface depends on other parameters More heating surface Less heating surface Equal heating surface Heating surface depends on other parameters ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines O₂ content in atmospheric air on volume basis is 0.23 0.4 0.21 0.3 0.23 0.4 0.21 0.3 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston in a steam engine is None of these To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross-head To guide motion of the piston rod and to prevent it from bending None of these To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross-head To guide motion of the piston rod and to prevent it from bending ANSWER DOWNLOAD EXAMIANS APP