{"id":7022,"date":"2024-04-15T02:37:49","date_gmt":"2024-04-15T02:37:49","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=7022"},"modified":"2024-04-15T02:37:49","modified_gmt":"2024-04-15T02:37:49","slug":"the-gas-from-sludge-digestion-tank-is-mainly-composed-of-a-nitrogen-b-carbon-dioxide-c-hydrogen-sulphide-d-methane","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-gas-from-sludge-digestion-tank-is-mainly-composed-of-a-nitrogen-b-carbon-dioxide-c-hydrogen-sulphide-d-methane\/","title":{"rendered":"The gas from sludge digestion tank is mainly composed of A. Nitrogen B. Carbon dioxide C. Hydrogen sulphide D. Methane"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;Nitrogen&#8221; option2=&#8221;Carbon dioxide&#8221; option3=&#8221;Hydrogen sulphide&#8221; option4=&#8221;Methane&#8221; correct=&#8221;option4&#8243;]<!--more--><\/p>\n<p>The correct answer is D. Methane.<\/p>\n<p>Methane is the main component of biogas, which is produced by the anaerobic digestion of organic matter. Anaerobic digestion is a process that occurs in the absence of oxygen, and it is used to treat wastewater, sludge, and other organic wastes. The gas produced by anaerobic digestion is a mixture of methane, carbon dioxide, and other gases. Methane is the most abundant gas in biogas, and it can be used as a renewable energy source.<\/p>\n<p>Nitrogen is the second most abundant gas in the atmosphere, and it is also found in wastewater and sludge. However, nitrogen is not a major component of biogas. Carbon dioxide is the third most abundant gas in the atmosphere, and it is also found in wastewater and sludge. Carbon dioxide is a byproduct of anaerobic digestion, and it is not a major component of biogas. Hydrogen sulfide is a toxic gas that is produced by the anaerobic digestion of sulfur-containing compounds. Hydrogen sulfide is not a major component of biogas.<\/p>\n<p>In conclusion, the gas from sludge digestion tank is mainly composed of methane. Methane is a renewable energy source that can be used to generate electricity, heat, and transportation fuel.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;Nitrogen&#8221; option2=&#8221;Carbon dioxide&#8221; option3=&#8221;Hydrogen sulphide&#8221; option4=&#8221;Methane&#8221; correct=&#8221;option4&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[647],"tags":[],"class_list":["post-7022","post","type-post","status-publish","format-standard","hentry","category-environmental-engineering","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The gas from sludge digestion tank is mainly composed of A. Nitrogen B. Carbon dioxide C. Hydrogen sulphide D. 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Nitrogen B. Carbon dioxide C. Hydrogen sulphide D. Methane","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/the-gas-from-sludge-digestion-tank-is-mainly-composed-of-a-nitrogen-b-carbon-dioxide-c-hydrogen-sulphide-d-methane\/","og_locale":"en_US","og_type":"article","og_title":"The gas from sludge digestion tank is mainly composed of A. Nitrogen B. Carbon dioxide C. Hydrogen sulphide D. 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