Certificate In Bio-CNG (Green Fuel)/30 0 Your Examination is Complete !Certificate In Bio-CNG (Green Fuel)Online Examination Detail: Duration- 60 minutes. Number of Questions- 30. (Multiple Choice Questions). Maximum Marks- 100, Passing Marks- 40%. There is no negative marking. Candidate Details NameEmailPhone Number 1 / 301. Which among the following is the best source for methane production? A. Metallic scrap B. E-waste C. Plastic waste D. Water hyacinth 2 / 302. Which of the following is caused by burning of fuels? A. Acid rain B. Emission of carbon monoxide C. Global warming D. All of these 3 / 303. The colour of the flame with highest amount of heat is- A. White B. Yellow C. Red D. None of these 4 / 304. What type of energy is biomass energy? A. Conventional energy B. Non renewable C. Commercial energy D. Sustainable energy 5 / 305. Is liquid green fuel dangerous? A. Yes B. No C. May be D. May not be 6 / 306. Which of the following is produced in acetogenesis? A. Ethanol B. Acetate C. Acetone D. Ketone 7 / 307. In presence of which gas is the fuel burnt to generate energy in the form of heat? A. Oxygen B. Hydrogen C. Methane D. Nitrogen 8 / 308. What is the height of the concrete tank used in biogas plant? A. 10-15 metres B. 15-20 metres C. 10-15 feet D. 15-20 feet 9 / 309. CNG (Compressed Natural Gas) is being promoted as a fuel for public transport in Assam due to its: A. Lower cost B. Environmentally friendly nature C. Both (a) & (b) D. None of these 10 / 3010. Which of the following gases is not included in biogas? A. CH4 B. H2S C. CO2 D. H2O 11 / 3011. Which of the following is not used as fuel? A. LPG B. CNG C. Hydrogen D. Oxygen 12 / 3012. Which is the initial issue of the biogas plant? A. Feedstock B. Contaminants C. Moisture contents D. Nutrients 13 / 3013. Which is an organic matter produced by plants in direct or indirect forms? A. Solar energy B. Biomass C. Wind energy D. Bio-fuel 14 / 3014. Which of the following is produced apart from acetates in acetogenesis step in anaerobic digestion? A. Carbon monoxide B. Charcoal C. Carbon dioxide D. Acetone 15 / 3015. Which of the following is not true for a biogas plant? A. The floating cover is placed over slurry B. Biogas plant does not have an outlet C. The slurry is removed and may be used as a fertiliser D. The concrete tank is 10-15 feet deep 16 / 3016. On which medium do certain bacteria grow to produce biogas? A. Lignin B. Cellulose C. Chitin D. Cheese 17 / 3017. Which of the following is a preferred substrate for biogas production? Note that TS stands for total solids. A. Less than 1% TS B. 20-40% TS C. 1-5% TS D. 5-10% TS 18 / 3018. Gobar gas is. A. Ethyl mercaptan B. Methane C. Ethane and propane D. A mixture of methane, hydrogen sulphide and carbon dioxide 19 / 3019. What do we collectively call the biogas producing bacteria? A. Archaebacteria B. Cyanobacteria C. Eubacteria D. Methanogens 20 / 3020. In which zone of a flame fuel remains in vapour form? A. Dark zone B. Luminous zone C. Non-luminous zone D. None of these 21 / 3021. What is the problem that arises with hydrogen as a fuel? A. Storage B. Production C. Process D. Availability 22 / 3022. Which of the following is a substrate for biogas production? A. Municipal and residential waste B. E-waste C. Metallic waste D. Gaseous effluents 23 / 3023. Which of the following is used to produce biogas from biomass? A. Anaerobic treatment B. Aerobic treatment C. Fermentation D. Pyrolysis 24 / 3024. Compressed Natural Gas (CNG) is ______. A. Propane B. Methane C. Ethane D. Butane 25 / 3025. What are the categories for organic dry matter on the basis of total solids (TS)? A. Low grade, medium grade, high grade and fixed bed B. Low grade, medium grade, fluidized bed and fixed bed C. Low grade, medium grade, high grade and solids D. Downdraft, circulation fluidized bed, high grade and fixed bed 26 / 3026. What are the two main products of anaerobic digestion? A. Carbon monoxide and hydrogen B. Methane and carbon dioxide C. Methane and carbon monoxide D. Hydrogen and carbon dioxide 27 / 3027. On which of the following factors does the type of gas produced depend? A. Substrate B. Cofactors C. Catalysts D. Product 28 / 3028. Which are the main constituents of fuel from given options? A. Carbon and Nitrogen B. Oxygen and Hydrogen C. Carbon and Hydrogen D. Helium and Oxygen 29 / 3029. What type of fire system is used in Bio power? A. Hand firing B. Mechanical stoke firing C. Direct firing D. Indirect firing 30 / 3030. Which of the following gas is produced using dung of cattle? A. Greenhouse gas B. Nitrous gas C. Gobar gas D. Water-gas Exit
