Steam Boilers, Engines, Nozzles and Turbines A fusible plug is fitted in small boilers in order to Avoid excessive build up of pressure Avoid explosion Control steam dome Extinguish fire if water level in the boiler falls below alarming limit Avoid excessive build up of pressure Avoid explosion Control steam dome Extinguish fire if water level in the boiler falls below alarming limit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the isentropic heat drop to the heat supplied, is called Stage efficiency Rankine efficiency Internal efficiency Reheat factor Stage efficiency Rankine efficiency Internal efficiency Reheat factor ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The object of producing draught in a boiler is To provide an adequate supply of air for the fuel combustion To exhaust the gases of combustion from the combustion chamber To discharge the gases of combustion to the atmosphere through the chimney All of the listed here To provide an adequate supply of air for the fuel combustion To exhaust the gases of combustion from the combustion chamber To discharge the gases of combustion to the atmosphere through the chimney All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is used to blow off steam when the None of these Steam pressure exceeds the working pressure Water level in the boiler becomes too low Both (A) and (B) None of these Steam pressure exceeds the working pressure Water level in the boiler becomes too low Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine The pressure and temperature of steam remains constant The steam is expanded in moving blades only The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded both in fixed and moving blades continuously The pressure and temperature of steam remains constant The steam is expanded in moving blades only The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded both in fixed and moving blades continuously ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the actual vacuum to the ideal vacuum in a condenser is called Nozzle efficiency Condenser efficiency Vacuum efficiency Boiler efficiency Nozzle efficiency Condenser efficiency Vacuum efficiency Boiler efficiency ANSWER DOWNLOAD EXAMIANS APP
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