Steam Boilers, Engines, Nozzles and Turbines A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit. Stop valve Safety valve Blow off cock Fusible plug Stop valve Safety valve Blow off cock Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The chimney draught varies with Climatic conditions All of these Height of chimney Temperature of furnace gases Climatic conditions All of these Height of chimney Temperature of furnace gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The radius of a dished head is taken approximately as One Half One fourth Two One Half One fourth Two ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Clearance ratio is the ratio of Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Clearance volume to the swept volume Swept volume to the clearance volume Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Clearance volume to the swept volume Swept volume to the clearance volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is 0.06 bar 0.067 bar 0.053 bar 0.007 bar 0.06 bar 0.067 bar 0.053 bar 0.007 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 15 to 25% 10 to 15% 40 to 60% 25 to 40% 15 to 25% 10 to 15% 40 to 60% 25 to 40% ANSWER DOWNLOAD EXAMIANS APP
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