Steam Boilers, Engines, Nozzles and Turbines All steam engines work on Second law of thermodynamics First law of thermodynamics None of the listed here Zeroth law of thermodynamics Second law of thermodynamics First law of thermodynamics None of the listed here Zeroth law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, the heat is lost To dry flue gases To steam formed by combustion of hydrogen per kg of fuel In moisture present in the fuel All of these To dry flue gases To steam formed by combustion of hydrogen per kg of fuel In moisture present in the fuel All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Transport and dry the coal Provide air around burners for obtaining optimum combustion Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal Provide air around burners for obtaining optimum combustion Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value 1 – moisture content (1- moisture content) (1 + moisture content) 1 + moisture content 1 – moisture content (1- moisture content) (1 + moisture content) 1 + moisture content ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has Heating surface depends on other parameters Equal heating surface Less heating surface More heating surface Heating surface depends on other parameters Equal heating surface Less heating surface More heating surface ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the nozzle operates with the maximum mass flow, the nozzle is said to be Under-damping None of these Over-damping Choked Under-damping None of these Over-damping Choked ANSWER DOWNLOAD EXAMIANS APP
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