Steam Boilers, Engines, Nozzles and Turbines Incomplete combustion can be best judged by Measuring temperature of flue gases at exit of furnace Measuring carbon monoxide in flue gases Excess air in flue gases Smoky chimney exit Measuring temperature of flue gases at exit of furnace Measuring carbon monoxide in flue gases Excess air in flue gases Smoky chimney exit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the ratio of expansion Increases Decreases None of these Does not change Increases Decreases None of these Does not change ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam temperature with increase in load in case of a boiler fitted with radiation superheater Remain unaffected First increases and then decreases Decreases Increases Remain unaffected First increases and then decreases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a High speed steam engine Medium speed steam engine Slow speed engine None of the listed here High speed steam engine Medium speed steam engine Slow speed engine None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of superheated tubes in a locomotive boiler is 230 mm 13 mm 31 mm 130 mm 230 mm 13 mm 31 mm 130 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K ANSWER DOWNLOAD EXAMIANS APP