Steam Boilers, Engines, Nozzles and Turbines Which of the following boilers is best suited to meet fluctuating demands? Locomotive Cochran Babcock and Wilcox Lancashire Locomotive Cochran Babcock and Wilcox Lancashire 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 48 : 20 : 15 : 7 : 10 20 : 48 : 7 : 15 : 10 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 48 : 20 : 15 : 7 : 10 20 : 48 : 7 : 15 : 10 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for steam turbines as compared to reciprocating steam engines? All of these A steam turbine develops higher speeds The efficiency of steam turbine is higher The steam consumption is less All of these A steam turbine develops higher speeds The efficiency of steam turbine is higher The steam consumption is less ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine The pressure and temperature of steam remains constant The expansion of steam takes place partly in the fixed blades and partly in the moving blades The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The pressure and temperature of steam remains constant The expansion of steam takes place partly in the fixed blades and partly in the moving blades The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The steam is expanded from a high pressure to a condenser pressure in one or more nozzles ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines All steam engines work on Second law of thermodynamics First law of thermodynamics None of the listed here Zeroth law of thermodynamics Second law of thermodynamics First law of thermodynamics None of the listed here Zeroth law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase flue gas temperature Extract heat from the exhaust flue gases Economize on fuel Increase thermal efficiency of boiler Increase flue gas temperature Extract heat from the exhaust flue gases Economize on fuel Increase thermal efficiency of boiler ANSWER DOWNLOAD EXAMIANS APP
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