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 Change in enthalpy Work is done during adiabatic expansion Water passes through the tubes and flue gases around it Flue gases pass through tubes and water around it Change in enthalpy Work is done during adiabatic expansion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a boiler is defined as Ratio of the heat liberated in the furnace to the heat actually used in producing steam Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the mass of steam produced to the mass of total water supplied in a given time None of these Ratio of the heat liberated in the furnace to the heat actually used in producing steam Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the mass of steam produced to the mass of total water supplied in a given time None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economizer (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 10 : 7 : 15 : 20 : 48 20 : 48 : 7 : 15 : 10 48 : 20 : 15 : 7 : 10 7 : 15 : 20 : 10 : 48 10 : 7 : 15 : 20 : 48 20 : 48 : 7 : 15 : 10 48 : 20 : 15 : 7 : 10 7 : 15 : 20 : 10 : 48 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the correct statement as regards Cornish boiler and Lancashire boiler Cornish has two fire tubes and Lancashire has one Cornish is water tube and Lancashire is fire tube Cornish is fire tube and Lancashire is water tube Lancashire has two fire tubes and Cornish has one Cornish has two fire tubes and Lancashire has one Cornish is water tube and Lancashire is fire tube Cornish is fire tube and Lancashire is water tube Lancashire has two fire tubes and Cornish has one ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Millier chart, the constant pressure lines First rise up and then fall Diverge from left to right Are equally spaced throughout Diverge from right to left First rise up and then fall Diverge from left to right Are equally spaced throughout Diverge from right to left ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single acting steam engine produces ___ power than that of double acting steam engine. Equal Double Four times Half Equal Double Four times Half ANSWER DOWNLOAD EXAMIANS APP