Steam Boilers, Engines, Nozzles and Turbines Degree of reaction is defined as the ratio of Heat drop in moving blades to the heat drop in fixed blades plus heat drop in moving blades Heat drop in moving blades to the heat drop in fixed blades Heat drop in fixed blades to the heat drop in moving blades Heat drop in fixed blades plus heat drop in moving blades to the heat drop in moving blades Heat drop in moving blades to the heat drop in fixed blades plus heat drop in moving blades Heat drop in moving blades to the heat drop in fixed blades Heat drop in fixed blades to the heat drop in moving blades Heat drop in fixed blades plus heat drop in moving blades to the heat drop in moving blades 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 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 10 : 7 : 15 : 20 : 48 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The aim of a compound steam engine is To reduce the ratio of expansion in each cylinder All of these To reduce the temperature range in each cylinder To reduce the length of stroke To reduce the ratio of expansion in each cylinder All of these To reduce the temperature range in each cylinder To reduce the length of stroke ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The power of a boiler may be defined as The evaporation of 15.653 kg of water per hour from and at 100° C The amount of water evaporated from and at 100° C into dry and saturated steam The amount of water evaporated or steam produced in kg per kg of fuel burnt The ratio of heat actually used in producing the steam to the heat liberated in the furnace The evaporation of 15.653 kg of water per hour from and at 100° C The amount of water evaporated from and at 100° C into dry and saturated steam The amount of water evaporated or steam produced in kg per kg of fuel burnt The ratio of heat actually used in producing the steam to the heat liberated in the furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of steam turbines may be improved by Any one of these Regenerative feed heating Reheating of steam Binary vapor plant Any one of these Regenerative feed heating Reheating of steam Binary vapor plant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of It is not possible to achieve 0°K temperature Frictional losses Non availability of ideal substance Leakage It is not possible to achieve 0°K temperature Frictional losses Non availability of ideal substance Leakage ANSWER DOWNLOAD EXAMIANS APP
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