Steam Boilers, Engines, Nozzles and Turbines The cylindrical shell of a Lancashire boiler has diameter from 1.5 to 2.5 m 1.75 to 2.75 m 1.25 to 2.25 m 1 to 2 m 1.5 to 2.5 m 1.75 to 2.75 m 1.25 to 2.25 m 1 to 2 m 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 Slow speed engine Vertical steam engine Non-condensing steam engine Condensing steam engine Slow speed engine Vertical steam engine Non-condensing steam engine Condensing steam engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation of water is the evaporation for a feed water supply at 100°C Conversion into steam at atmospheric condition And its corresponding conversion into dry steam at desired boiler pressure Conversion into steam at the same pressure at which feed water is supplied And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² Conversion into steam at atmospheric condition And its corresponding conversion into dry steam at desired boiler pressure Conversion into steam at the same pressure at which feed water is supplied And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal? Inherent moisture and surface moisture are different things It increases thermal efficiency In some coals moisture may be present up to 40% Some moisture in coal helps in better burning which is not possible with completely dry coal Inherent moisture and surface moisture are different things It increases thermal efficiency In some coals moisture may be present up to 40% Some moisture in coal helps in better burning which is not possible with completely dry coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of an impulse turbine is maximum when (where Vb = Blade speed, V = Absolute velocity of steam entering the blade, and α = Nozzle angle) Vb = 0.5 V cosα Vb = V² cosα Vb = V cosα Vb = 0.5 V² cosα Vb = 0.5 V cosα Vb = V² cosα Vb = V cosα Vb = 0.5 V² cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is a fire tube boiler? Babcock and Wilcox boiler Yarrow boiler Lancashire boiler None of these Babcock and Wilcox boiler Yarrow boiler Lancashire boiler None of these ANSWER DOWNLOAD EXAMIANS APP
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