Steam Boilers, Engines, Nozzles and Turbines Steam turbines may be classified according to Direction of steam flow Mode of steam action Number of stages All of these Direction of steam flow Mode of steam action Number of stages All of these 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? The efficiency of steam turbine is higher The steam consumption is less A steam turbine develops higher speeds All of these The efficiency of steam turbine is higher The steam consumption is less A steam turbine develops higher speeds All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The indicated thermal efficiency is defined as the Ratio of thermal efficiency to the Rankine efficiency Ratio of heat equivalent to indicated power to the energy supplied in steam Product of thermal efficiency and Rankine efficiency Ratio of brake power to the indicated power Ratio of thermal efficiency to the Rankine efficiency Ratio of heat equivalent to indicated power to the energy supplied in steam Product of thermal efficiency and Rankine efficiency Ratio of brake power to the indicated power ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Coke is produced by Enriching carbon in the coal Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Pulverizing coal in inert atmosphere Heating wood in a limited supply of air at temperatures below 300°C Enriching carbon in the coal Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Pulverizing coal in inert atmosphere Heating wood in a limited supply of air at temperatures below 300°C 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 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 10 : 7 : 15 : 20 : 48 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser _________ the steam raising capacity of a boiler. None of these Has no effect on Increases Decreases None of these Has no effect on Increases Decreases ANSWER DOWNLOAD EXAMIANS APP