Steam Boilers, Engines, Nozzles and Turbines The expansion of steam, as it flows over the blades in reaction turbine, represents Free expansion process Isentropic process Throttling process Isothermal process Free expansion process Isentropic process Throttling process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by Bucket calorimeter Throttling calorimeter Separating calorimeter Combined separating and throttling calorimeter Bucket calorimeter Throttling calorimeter Separating calorimeter Combined separating and throttling calorimeter 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 boiler Power of the boiler Efficiency of the fan Efficiency of the chimney Efficiency of the boiler Power of the boiler Efficiency of the fan Efficiency of the chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is More efficient and less economical Less efficient and less economical More efficient and more economical Less efficient and more economical More efficient and less economical Less efficient and less economical More efficient and more economical Less efficient and more economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur in coal results in Corroding air heaters Facilitating ash precipitation All of these Spontaneous combustion during coal storage Corroding air heaters Facilitating ash precipitation All of these Spontaneous combustion during coal storage ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The radius of a dished head is taken approximately as One Two One fourth Half One Two One fourth Half ANSWER DOWNLOAD EXAMIANS APP
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