Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred By direct mixing Heat is transferred by bleeding some gases from furnace From a metal wall from one medium to another From heating an intermediate material and then heating the air from this material By direct mixing Heat is transferred by bleeding some gases from furnace From a metal wall from one medium to another From heating an intermediate material and then heating the air from this material ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The dry saturated steam at very high pressure (150200 kg/cm²) when throttled to atmosphere will become Superheated Wet Dry Remain dry saturated Superheated Wet Dry Remain dry saturated ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Size of boiler tubes is specified by Outside diameter and thickness Outside diameter and inside diameter Mean diameter and thickness Inside diameter and thickness Outside diameter and thickness Outside diameter and inside diameter Mean diameter and thickness Inside diameter and thickness ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam in a nozzle follows Stirling cycle Carnot cycle Rankine cycle Joule cycle Stirling cycle Carnot cycle Rankine cycle Joule cycle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Carbonization of coal is the process of Heating wood in a limited supply of air at temperatures below 300°C Binding the pulverized coal into briquettes 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 Binding the pulverized coal into briquettes Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Pulverizing coal in inert atmosphere ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The coal requirement per kW hour generation in the thermal power plant is of the order of 1.0 to 1.5 kg 0.1 to 0.2 kg 0.6 to 0.8 kg 0.2 to 0.4 kg 1.0 to 1.5 kg 0.1 to 0.2 kg 0.6 to 0.8 kg 0.2 to 0.4 kg ANSWER DOWNLOAD EXAMIANS APP
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