Steam Boilers, Engines, Nozzles and Turbines A condenser in a steam power plant Reduces back pressure of steam Increases expansion ratio of steam All of these Reduces temperature of exhaust steam Reduces back pressure of steam Increases expansion ratio of steam All of these Reduces temperature of exhaust steam 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 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 48 : 20 : 15 : 7 : 10 20 : 48 : 7 : 15 : 10 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught produced by a steam jet issuing from a nozzle placed in the chimney is called Forced steam jet draught Chimney draught Induced steam jet draught None of these Forced steam jet draught Chimney draught Induced steam jet draught None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Over fire burning is the phenomenon of Burning CO and unburnt in upper zone of furnace by supplying more air Supply of excess, air Fuel bed firing Supply of excess coal Burning CO and unburnt in upper zone of furnace by supplying more air Supply of excess, air Fuel bed firing Supply of excess coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Reheating of steam in a turbine All of these Reduces wear on the blades Increases the work-done through the turbine Increases the efficiency of the turbine All of these Reduces wear on the blades Increases the work-done through the turbine Increases the efficiency of the turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat equivalent to brake power to the energy supplied in steam is known as Overall efficiency Brake thermal efficiency Mechanical efficiency Indicated thermal efficiency Overall efficiency Brake thermal efficiency Mechanical efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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