Steam Boilers, Engines, Nozzles and Turbines The main object of a boiler trial is To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure All of these To prepare heat balance sheet for the boiler To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure All of these To prepare heat balance sheet for the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Only moving blades Fixed and moving blades of different shape Only fixed blades Identical fixed and moving blades Only moving blades Fixed and moving blades of different shape Only fixed blades Identical fixed and moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by (h × hf1)/2257 (h + hf1)/2257 None of these (h - hf1)/2257 (h × hf1)/2257 (h + hf1)/2257 None of these (h - hf1)/2257 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam exhaust from high pressure turbine is reheated in Superheater tubes Economizer Boiler drums A separate coil located in convection path Superheater tubes Economizer Boiler drums A separate coil located in convection path ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum heat loss is a boiler occurs due to Unburnt carbon Moisture in fuel Steam formation Dry flue gases Unburnt carbon Moisture in fuel Steam formation Dry flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal 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 Decreases ANSWER DOWNLOAD EXAMIANS APP
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