Steam Boilers, Engines, Nozzles and Turbines The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by V = H'/2g V = 2g/H' V = 2gH' V = 2g H' V = H'/2g V = 2g/H' V = 2gH' V = 2g H' ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The radius of a dished head is taken approximately as One Half Two One fourth One Half Two One fourth ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as Efficiency of the chimney Power of the boiler Efficiency of the fan Efficiency of the boiler Efficiency of the chimney Power of the boiler Efficiency of the fan Efficiency of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylindrical shell of a Lancashire boiler has diameter from 1.5 to 2.5 m 1 to 2 m 1.75 to 2.75 m 1.25 to 2.25 m 1.5 to 2.5 m 1 to 2 m 1.75 to 2.75 m 1.25 to 2.25 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The action of steam in a steam turbine is Neither static nor dynamic Static and dynamic Dynamic Static Neither static nor dynamic Static and dynamic Dynamic Static ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam exhaust from high pressure turbine is reheated in Superheater tubes Economizer A separate coil located in convection path Boiler drums Superheater tubes Economizer A separate coil located in convection path Boiler drums ANSWER DOWNLOAD EXAMIANS APP
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