Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Velocity remains constant Velocity increases Velocity decreases Pressure remains constant Velocity remains constant Velocity increases Velocity decreases Pressure remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The major axis of elliptical manholes on the shell should be provided Circumferentially Anywhere On dished end Longitudinally Circumferentially Anywhere On dished end Longitudinally ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will Improve May improve/worsen depending on size Worsen Remain unaffected Improve May improve/worsen depending on size Worsen Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam temperature with increase in load in case of a boiler fitted with radiation superheater Increases Remain unaffected First increases and then decreases Decreases Increases Remain unaffected First increases and then decreases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A fusible plug is fitted in small boilers in order to Control steam dome Extinguish fire if water level in the boiler falls below alarming limit Avoid explosion Avoid excessive build up of pressure Control steam dome Extinguish fire if water level in the boiler falls below alarming limit Avoid explosion Avoid excessive build up of pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The temperature of flue gases at air heater outlet should be 100°C Below dew point temperature of flue gases Above dew point temperature of flue gases Less than wet bulb temperature of flue gases 100°C Below dew point temperature of flue gases Above dew point temperature of flue gases Less than wet bulb temperature of flue gases ANSWER DOWNLOAD EXAMIANS APP
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