Steam Boilers, Engines, Nozzles and Turbines The critical pressure at which latent heat of vaporisation is zero is 1 kgf/ cm² 225.65 kgf/ cm² 273 kgf/ cm² 100 kgf/ cm² 1 kgf/ cm² 225.65 kgf/ cm² 273 kgf/ cm² 100 kgf/ cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell. One-fourth Two-fifth One-third One-half One-fourth Two-fifth One-third One-half ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power) (I.P.)² I.P. 1/(I.P) 1/(I.P)² (I.P.)² I.P. 1/(I.P) 1/(I.P)² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off of 0.35. The expansion ratio for this engine is nearly 6.65 1.05 10.05 2.86 6.65 1.05 10.05 2.86 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are those in which Water passes through the tubes and flue gases around it Flue gases pass through tubes and water around it Work is done during adiabatic expansion Change in enthalpy Water passes through the tubes and flue gases around it Flue gases pass through tubes and water around it Work is done during adiabatic expansion Change in enthalpy ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by Horizontal straight line Curved line Vertical straight line Straight inclined line Horizontal straight line Curved line Vertical straight line Straight inclined line ANSWER DOWNLOAD EXAMIANS APP
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