Steam Boilers, Engines, Nozzles and Turbines Latent heat of dry steam at atmospheric pressure is equal to 539 BTU/ lb 100 kcal/ kg 427 kcal/ kg 539 kcal/ kg 539 BTU/ lb 100 kcal/ kg 427 kcal/ kg 539 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The nozzle efficiency is the ratio of Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam None of these Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam Workdone on the blades to the energy supplied to the blades Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam None of these Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam Workdone on the blades to the energy supplied to the 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 48 : 20 : 15 : 7 : 10 10 : 7 : 15 : 20 : 48 20 : 48 : 7 : 15 : 10 7 : 15 : 20 : 10 : 48 48 : 20 : 15 : 7 : 10 10 : 7 : 15 : 20 : 48 20 : 48 : 7 : 15 : 10 7 : 15 : 20 : 10 : 48 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylindrical shell of a Lancashire boiler has diameter from 1.5 to 2.5 m 1.25 to 2.25 m 1 to 2 m 1.75 to 2.75 m 1.5 to 2.5 m 1.25 to 2.25 m 1 to 2 m 1.75 to 2.75 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Carbonization of coal is the process of Binding the pulverized coal into briquettes Pulverizing coal in inert atmosphere Heating wood in a limited supply of air at temperatures below 300°C Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Binding the pulverized coal into briquettes Pulverizing coal in inert atmosphere Heating wood in a limited supply of air at temperatures below 300°C Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following varieties of coals is mostly used in steam boilers? Brown coal Peat Non-coking bituminous coal None of the listed here Brown coal Peat Non-coking bituminous coal None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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