EGEE 101 Biomass Energy Exam Questions And Answers

Which of the following is an example of biomass derived from agricultural residue? - ANS bagasse Energy crops are cultivated primarily for biomass production. - ANS true Which of the following is an energy crop? - ANS A) Poplars B) Willows C) Switchgrass ALL Biomass can be used to meet which energy demands? - ANS A) Electricity B) Heat C) Transportation fuels ALL United States is the larges producer of energy from biomass consumption. - ANS false An ideal biomass cycle does not produce any net carbon emissions. - ANS true Which of the following is not an advantage of biomass energy? - ANS no NOx emissions High heating value or gross calorific value is the amount of energy released by complete combustion of 1 lb of fuel. - ANS true The amount of ash content is an important parameter in determining the quality of biomass fuel. - ANS true Which among the following variable is/are used for biomass classification? - ANS A) Moisture content B) Silica content C) Calorific value ALL Biomass has gross calorific value higher than coal. - ANS false The amount of power generated from biomass power plants in the United States is - ANS 7000 MW Potential biomass crops should not - ANS need high maintenance Switch grass is a good source of biomass because - ANS A) it grows quickly B) it has low moisture content C) does not require fertilizers or pesticides ALL The United States produces most of its bioethanol from sugarcane. - ANS false Bagasse is an agricultural waste product obtained from sugarcane. - ANS true Which of the following cannot be converted into alcohol or biogas by biological conversion. - ANS microalgae Pyrolysis is the process of heating biomass in the absence of air. - ANS true Syngas can be produced from biomass by reaction with steam. - ANS true Which of the following is a product of thermal conversion of biomass? - ANS syngas Transesterification is the process used to convert vegetable oil to biodiesel. - ANS true Corn can be used to produce ethanol. - ANS true Production of bioethanol from corn is more efficient than from sugarcane. - ANS false Presently, the amount of ethanol produced from biomass amounts to - ANS 14 billion gallons Ethanol has a higher heating value than gasoline. - ANS false Ethanol has a higher octane number than gasoline. - ANS true Which of the following cannot be converted into alcohol or biogas by biological conversion. - ANS heating value Addition of ethanol to gasoline reduces the amount of emissions from the fuel. - ANS true The production of ethanol and biodiesel in United States is increasing. - ANS true Most of the bioethanol produced in United States comes from - ANS Iowa Amount of NOx emission from biodiesel is negligible. - ANS false Energy per gallon produced by biodiesel is less than petroleum based diesel by - ANS 8% Amount of CO and particulate matter emissions from biodiesel is less compared to petroleum diesel. - ANS true Which of the following is not true about biodiesel? - ANS low NOx emissions Which of the following contributes the most towards Municipal solid waste? - ANS paper and paper board The amount of municipal waste generated per day is decreasing everyday. - ANS false Which of the following is an energy recovery methodology adopted to process municipal solid waste? - ANS A) Landfill gas recovery B) Combustion and cogeneration C) Pyrolysis ALL In a waste to energy plant, significant amounts of ash are produced. - ANS true Waste to energy plants require removal of all toxic vapors using flue gas scrubbing to prevent air pollution. - ANS true In the US, we have adequate amount of land to cultivate biomass to meet all our energy demands. - ANS false