Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal Decreases May increase or decrease depending upon the method of storage Increases Remain constant Decreases May increase or decrease depending upon the method of storage Increases Remain constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K) 176.5H/T1 T1 /176.5H 88.25H/T1 T1 /88.25H 176.5H/T1 T1 /176.5H 88.25H/T1 T1 /88.25H ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fittings mounted on the boiler for its proper and safe functioning is a All of these Pressure gauge Water level indicator Safety valve All of these Pressure gauge Water level indicator Safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In regenerative air preheaters, the heat is transferred By direct mixing From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another Heat is transferred by bleeding some gas from furnace By direct mixing From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another Heat is transferred by bleeding some gas from furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always None of these Less than unity Greater than unity Equal to unity None of these Less than unity Greater than unity Equal to unity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The purpose of governing in steam turbines is to Maintain the speed of the turbine Reheat the steam and improve its quality Completely balance against end thrust Reduce the effective heat drop Maintain the speed of the turbine Reheat the steam and improve its quality Completely balance against end thrust Reduce the effective heat drop ANSWER DOWNLOAD EXAMIANS APP
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