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. Blow off cock Fusible plug Safety valve Stop valve Blow off cock Fusible plug Safety valve Stop valve 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 Water level in the boiler becomes too low None of these Steam pressure exceeds the working pressure Both (A) and (B) Water level in the boiler becomes too low None of these Steam pressure exceeds the working pressure Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of reheat steam after passing through reheater compared to inlet condition is May be more or less depending on capacity of reheater Equal More Less May be more or less depending on capacity of reheater Equal More Less ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred From a metal wall from one medium to another Heat is transferred by bleeding some gases from furnace From heating an intermediate material and then heating the air from this material By direct mixing From a metal wall from one medium to another Heat is transferred by bleeding some gases from furnace From heating an intermediate material and then heating the air from this material By direct mixing ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of bleeding is that All of these It increases the thermodynamic efficiency of the turbine It decreases the power developed by the turbine Boiler is supplied with hot water All of these It increases the thermodynamic efficiency of the turbine It decreases the power developed by the turbine Boiler is supplied with hot water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of fire tube of Cornish boiler compared to its shell is One fifth One fourth One third One half One fifth One fourth One third One half ANSWER DOWNLOAD EXAMIANS APP