Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from 3.5 to 4.5 m 1.5 to 2 m 2.5 to 3.5 m None of these 3.5 to 4.5 m 1.5 to 2 m 2.5 to 3.5 m None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat loss in a boiler takes place in the form of Heat carried away by ash All of these Heat carried away by flue gases Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by ash All of these Heat carried away by flue gases Moisture present in fuel and steam formed by combustion of hydrogen in fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is generally placed between Induced draft fan and forced draft fan Last superheater or reheater and air preheater None of these Air preheater and chimney Induced draft fan and forced draft fan Last superheater or reheater and air preheater None of these Air preheater and chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially Wet steam Superheated steam None of these Dry saturated steam Wet steam Superheated steam None of these Dry saturated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a uniflow engine Steam enters at one end and exhausts at the centre None of these Steam enters at the centre and exhausts at the other end Steam enters and exhausts through the same port Steam enters at one end and exhausts at the centre None of these Steam enters at the centre and exhausts at the other end Steam enters and exhausts through the same port ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred From heating an intermediate material and then heating the air from this material Heat is transferred by bleeding some gases from furnace By direct mixing From a metal wall from one medium to another From heating an intermediate material and then heating the air from this material Heat is transferred by bleeding some gases from furnace By direct mixing From a metal wall from one medium to another ANSWER DOWNLOAD EXAMIANS APP
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