Steam Boilers, Engines, Nozzles and Turbines The density of supersaturated steam is about __________ that of the ordinary saturated vapor at the corresponding pressure. 2 times 4 times 8 times Same as 2 times 4 times 8 times Same as ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of friction in the nozzle ___ dryness fraction of steam. Has no effect on Increases None of the listed here Decreases Has no effect on Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Primary air is the air used to Provide air around burners for obtaining optimum combustion Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Air delivered by forced draft fan Provide air around burners for obtaining optimum combustion Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Air delivered by forced draft fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the Blade solidity is 0.65 Blade velocity coefficient is unity Blades are equiangular Blades are equiangular and frictionless Blade solidity is 0.65 Blade velocity coefficient is unity Blades are equiangular Blades are equiangular and frictionless ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Woolf type compound engine, the high pressure and low pressure cylinders Are set in V arrangement Are set at 90° Have separate piston rod Have common piston rod Are set in V arrangement Are set at 90° Have separate piston rod Have common piston rod ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A packaged boiler is one in which various parts like firing equipment, fans, feed pumps and automatic controls are Supplied mounted on a single base Purchased from several parties and packed together at site Supplied by same manufacturer loose and assembled at site Packaged boiler does not exist Supplied mounted on a single base Purchased from several parties and packed together at site Supplied by same manufacturer loose and assembled at site Packaged boiler does not exist ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS