Steam Boilers, Engines, Nozzles and Turbines The relative efficiency is defined as the Product of thermal efficiency and Rankine efficiency Ratio of thermal efficiency to Rankine efficiency Ratio of brake power to the indicated power Ratio of heat equivalent to indicated power to the energy supplied in steam Product of thermal efficiency and Rankine efficiency Ratio of thermal efficiency to Rankine efficiency Ratio of brake power to the indicated power Ratio of heat equivalent to indicated power to the energy supplied in steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the blade is _________ the relative velocity of steam at inlet tip of the blade. None of these Equal to Less than Greater than None of these Equal to Less than Greater than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The pressure and temperature of steam remains constant The expansion of steam takes place partly in the fixed blades and partly in the moving blades The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The pressure and temperature of steam remains constant The expansion of steam takes place partly in the fixed blades and partly in the moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The temperature of flue gases at air heater outlet should be Less than wet bulb temperature of flue gases Above dew point temperature of flue gases Below dew point temperature of flue gases 100°C Less than wet bulb temperature of flue gases Above dew point temperature of flue gases Below dew point temperature of flue gases 100°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge of steam through a convergent-divergent nozzle depends upon Final pressure of steam leaving the nozzle Area of nozzle at throat Initial pressure and volume of steam Both (A) and (B) Final pressure of steam leaving the nozzle Area of nozzle at throat Initial pressure and volume of steam Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The number of water level indicators in a boiler are generally __________ in number. Two One Three Four Two One Three Four ANSWER DOWNLOAD EXAMIANS APP
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