Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to 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 Transport and dry the coal Provide air around burners for obtaining optimum combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At very low temperature, the melting and boiling temperatures become equal. This temperature is 303°K 273.16°K 0°K 373°K 303°K 273.16°K 0°K 373°K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the actual vacuum to the ideal vacuum in a condenser is called Nozzle efficiency Vacuum efficiency Condenser efficiency Boiler efficiency Nozzle efficiency Vacuum efficiency Condenser efficiency Boiler efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When steam after doing work in the cylinder passes into a condenser, the engine is said to be a Condensing steam engine Vertical steam engine Non-condensing steam engine Slow speed engine Condensing steam engine Vertical steam engine Non-condensing steam engine Slow speed engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the volume at cut-off to the swept volume is called Clearance ratio None of these Expansion ratio Cut-off ratio Clearance ratio None of these Expansion ratio Cut-off ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Size of boiler tubes is specified by Outside diameter and inside diameter Mean diameter and thickness Inside diameter and thickness Outside diameter and thickness Outside diameter and inside diameter Mean diameter and thickness Inside diameter and thickness Outside diameter and thickness ANSWER DOWNLOAD EXAMIANS APP
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