Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine, steam expands None of these Wholly in blades Wholly in nozzle Partly in the nozzle and partly in blades None of these Wholly in blades Wholly in nozzle Partly in the nozzle and partly in blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The aim of a compound steam engine is To reduce the length of stroke All of these To reduce the temperature range in each cylinder To reduce the ratio of expansion in each cylinder To reduce the length of stroke All of these To reduce the temperature range in each cylinder To reduce the ratio of expansion in each cylinder ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Secondary air is the air used to Transport and dry the coal Air delivered by induced draft fan Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Transport and dry the coal Air delivered by induced draft fan Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler H.P. is defined as the Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam Steam evaporation rate per kg of fuel fired The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam Work done by 1 kg of steam at saturation condition Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam Steam evaporation rate per kg of fuel fired The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam Work done by 1 kg of steam at saturation condition ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve usually employed with stationary boilers is Lever safety valve All of the listed here Dead weight safety valve High steam and low water safety valve Lever safety valve All of the listed here Dead weight safety valve High steam and low water safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is 8/3 kg 1 kg 2 kg 4/3 kg 8/3 kg 1 kg 2 kg 4/3 kg ANSWER DOWNLOAD EXAMIANS APP