Steam Boilers, Engines, Nozzles and Turbines The evaporation of 15.653 kg of water per hour from and at 100°C is called Evaporative capacity Equivalent evaporation Factor of evaporation One boiler h.p. Evaporative capacity Equivalent evaporation Factor of evaporation One boiler h.p. ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler Increases Decreases Remain unaffected First increases and then decreases Increases Decreases Remain unaffected First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is a fire tube boiler? Yarrow boiler Lancashire boiler Babcock and Wilcox boiler None of these Yarrow boiler Lancashire boiler Babcock and Wilcox boiler None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The reheat factor depends upon Initial pressure and superheat Exit pressure All of these Turbine stage efficiency Initial pressure and superheat Exit pressure All of these Turbine stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Primary air is the air used to Transport and dry the coal Air delivered by forced 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 forced 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 In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder. Equal to More than Less than None of the listed here Equal to More than Less than None of the listed here ANSWER DOWNLOAD EXAMIANS APP