{"id":44871,"date":"2024-04-15T21:49:57","date_gmt":"2024-04-15T21:49:57","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=44871"},"modified":"2024-04-15T21:49:57","modified_gmt":"2024-04-15T21:49:57","slug":"is-not-a-final-control-element","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/is-not-a-final-control-element\/","title":{"rendered":"Is not a final control element."},"content":{"rendered":"<p>[amp_mcq option1=&#8221;Control valve&#8221; option2=&#8221;Potentiometer&#8221; option3=&#8221;Electropneumatic converter&#8221; option4=&#8221;Servomotor&#8221; correct=&#8221;option3&#8243;]<!--more--><\/p>\n<p>The correct answer is C. Electropneumatic converter.<\/p>\n<p>A control valve is a final control element that is used to control the flow of fluids in a process. A potentiometer is a variable resistor that is used to measure or control voltage. A servomotor is a motor that is used to control the position or motion of a mechanism. An electropneumatic converter is a device that converts electrical signals into pneumatic signals.<\/p>\n<p>A control valve is a final control element because it is the last device in a control loop that directly affects the process variable. The control valve is controlled by the controller, which receives feedback from the process variable. The controller then sends a signal to the control valve, which opens or closes to regulate the flow of fluid.<\/p>\n<p>A potentiometer is not a final control element because it is not used to control the flow of fluids in a process. A potentiometer is used to measure or control voltage. The potentiometer is connected to a voltage source and a load. The voltage across the load is proportional to the position of the wiper arm on the potentiometer.<\/p>\n<p>A servomotor is a final control element because it is used to control the position or motion of a mechanism. The servomotor is controlled by the controller, which receives feedback from the process variable. The controller then sends a signal to the servomotor, which rotates to regulate the position or motion of the mechanism.<\/p>\n<p>An electropneumatic converter is not a final control element because it is not used to control the flow of fluids in a process. An electropneumatic converter is a device that converts electrical signals into pneumatic signals. The electropneumatic converter is used to control the flow of air in a pneumatic system.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;Control valve&#8221; option2=&#8221;Potentiometer&#8221; option3=&#8221;Electropneumatic converter&#8221; option4=&#8221;Servomotor&#8221; correct=&#8221;option3&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[961],"tags":[],"class_list":["post-44871","post","type-post","status-publish","format-standard","hentry","category-electrical-control-systems","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>Is not a final control element.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/is-not-a-final-control-element\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Is not a final control element.\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;Control valve&#8221; 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