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 Resist intense heat in fire box Give maximum strength Withstand pressure inside boiler Give maximum space Resist intense heat in fire box Give maximum strength ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler Remain unaffected First increases and then decreases Increases Decreases Remain unaffected First increases and then decreases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The radius of a dished head is taken approximately as Half Two One fourth One Half Two One fourth One ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure at which latent heat of vaporisation of water is zero, is 100 kg/cm² 1 kg/cm² 225.6 kg/cm² Below atmospheric pressure 100 kg/cm² 1 kg/cm² 225.6 kg/cm² Below atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The turbine blades are Circular Curved Straight None of these Circular Curved Straight None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Film boiling occurs at Very high pressures Very low pressure Atmospheric pressures Medium pressures Very high pressures Very low pressure Atmospheric pressures Medium pressures ANSWER DOWNLOAD EXAMIANS APP
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