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 principal function of a stop valve is to Increase the temperature of saturated steam without raising its pressure Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Increase the temperature of saturated steam without raising its pressure Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines are used for All of these Large marine propulsion Electric power generation Direct drive of fans, compressors, pumps All of these Large marine propulsion Electric power generation Direct drive of fans, compressors, pumps ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having cranks None of these 0° to each other 180° to each other 90° to each other None of these 0° to each other 180° to each other 90° to each other ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge of steam through a convergent-divergent nozzle depends upon Area of nozzle at throat Both (A) and (B) Initial pressure and volume of steam Final pressure of steam leaving the nozzle Area of nozzle at throat Both (A) and (B) Initial pressure and volume of steam Final pressure of steam leaving the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially dry saturated steam is 0.601 0.546 0.577 0.582 0.601 0.546 0.577 0.582 ANSWER DOWNLOAD EXAMIANS APP
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