{"id":4789,"date":"2024-08-20T17:43:42","date_gmt":"2024-08-20T17:43:42","guid":{"rendered":"https:\/\/svestudy.com\/?page_id=4789"},"modified":"2025-05-12T18:46:03","modified_gmt":"2025-05-12T18:46:03","slug":"aux-1-unit-7-q5","status":"publish","type":"page","link":"https:\/\/svestudy.com\/?page_id=4789","title":{"rendered":"Aux 1 Unit 7 Q5"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"152\" src=\"https:\/\/svestudy.com\/wp-content\/uploads\/2024\/08\/image-87-1024x152.png\" alt=\"\" class=\"wp-image-5668\" srcset=\"https:\/\/svestudy.com\/wp-content\/uploads\/2024\/08\/image-87-1024x152.png 1024w, https:\/\/svestudy.com\/wp-content\/uploads\/2024\/08\/image-87-300x45.png 300w, https:\/\/svestudy.com\/wp-content\/uploads\/2024\/08\/image-87-768x114.png 768w, https:\/\/svestudy.com\/wp-content\/uploads\/2024\/08\/image-87-1200x178.png 1200w, https:\/\/svestudy.com\/wp-content\/uploads\/2024\/08\/image-87.png 1489w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">With reference to an air supply for pneumatic control systems:<br>(a) state THREE contaminants that may be present;(3)<br>(b) explain why the contaminants stated in part (a) are undesirable.(7)<\/p>\n\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-4cd05bba-21c0-4c7b-a693-0ddd6406db6f\" data-mobilecollapse=\"true\" data-desktopcollapse=\"true\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #f1f1f1; border-top-left-radius: 8px; border-top-right-radius: 8px; border-bottom-left-radius: 8px; border-bottom-right-radius: 8px; \" id=\"ub-content-toggle-panel-block-fe260cf7-e944-425e-941e-3fa80e793301\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #f1f1f1;\" aria-controls=\"ub-content-toggle-panel-0-4cd05bba-21c0-4c7b-a693-0ddd6406db6f\" tabindex=\"0\">\n\t\t\t<p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-4cd05bba-21c0-4c7b-a693-0ddd6406db6f\" style=\"color: #000000; \">With reference to an air supply for pneumatic control systems what contaminants may be present?<\/p>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"false\" class=\"wp-block-ub-content-toggle-accordion-content-wrap ub-hide\" id=\"ub-content-toggle-panel-0-4cd05bba-21c0-4c7b-a693-0ddd6406db6f\">\n\n<p class=\"wp-block-paragraph\">In an air supply meant for pneumatic control systems, several contaminants can be present, each posing a potential risk to the system&#8217;s performance, reliability, and longevity. Here are the main contaminants that may be found: \u00a0<a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\">1. Clean Air Act: Battling Contaminants in Pneumatic Components &#8211; Fluid Power Journal <\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li class=\"\"><strong>Water:<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\"><strong>Source:<\/strong> Atmospheric air naturally contains moisture, which can condense within the compressed air system due to temperature and pressure changes. \u00a0 <a href=\"https:\/\/www.ceccato.com\/en-sea\/blog\/guide-on-compressed-air-treatment\/compressed-air-humidity\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/www.ceccato.com\/en-sea\/blog\/guide-on-compressed-air-treatment\/compressed-air-humidity\" target=\"_blank\" rel=\"noreferrer noopener\">1. Understanding Compressed Air Humidity: A Comprehensive Guide &#8211; Ceccato <\/a><a href=\"https:\/\/www.ceccato.com\/en-sea\/blog\/guide-on-compressed-air-treatment\/compressed-air-humidity\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/www.ceccato.com\/en-sea\/blog\/guide-on-compressed-air-treatment\/compressed-air-humidity\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/www.ceccato.com\/en-sea\/blog\/guide-on-compressed-air-treatment\/compressed-air-humidity\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/www.ceccato.com\/en-sea\/blog\/guide-on-compressed-air-treatment\/compressed-air-humidity\" target=\"_blank\" rel=\"noreferrer noopener\">www.ceccato.com<\/a><a href=\"https:\/\/www.ceccato.com\/en-sea\/blog\/guide-on-compressed-air-treatment\/compressed-air-humidity\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/li>\n\n\n\n<li class=\"\"><strong>Forms:<\/strong> Water can be present as vapor, liquid droplets, or even ice in colder sections of the system. \u00a0 <a href=\"https:\/\/jhfoster.com\/automation-blogs\/how-do-i-control-contaminants-in-my-compressed-air-system\/#:~:text=they%20come%20from.-,Contaminants%20in%20Compressed%20Air,Micro%2Dorganisms\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/jhfoster.com\/automation-blogs\/how-do-i-control-contaminants-in-my-compressed-air-system\/#:~:text=they%20come%20from.-,Contaminants%20in%20Compressed%20Air,Micro%2Dorganisms\" target=\"_blank\" rel=\"noreferrer noopener\">1. How Do I Control Contaminants In My Compressed Air System? &#8211; JHFOSTER <\/a><a href=\"https:\/\/jhfoster.com\/automation-blogs\/how-do-i-control-contaminants-in-my-compressed-air-system\/#:~:text=they%20come%20from.-,Contaminants%20in%20Compressed%20Air,Micro%2Dorganisms\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/jhfoster.com\/automation-blogs\/how-do-i-control-contaminants-in-my-compressed-air-system\/#:~:text=they%20come%20from.-,Contaminants%20in%20Compressed%20Air,Micro%2Dorganisms\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/jhfoster.com\/automation-blogs\/how-do-i-control-contaminants-in-my-compressed-air-system\/#:~:text=they%20come%20from.-,Contaminants%20in%20Compressed%20Air,Micro%2Dorganisms\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/jhfoster.com\/automation-blogs\/how-do-i-control-contaminants-in-my-compressed-air-system\/#:~:text=they%20come%20from.-,Contaminants%20in%20Compressed%20Air,Micro%2Dorganisms\" target=\"_blank\" rel=\"noreferrer noopener\">jhfoster.com<\/a><a href=\"https:\/\/jhfoster.com\/automation-blogs\/how-do-i-control-contaminants-in-my-compressed-air-system\/#:~:text=they%20come%20from.-,Contaminants%20in%20Compressed%20Air,Micro%2Dorganisms\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/li>\n\n\n\n<li class=\"\"><strong>Problems:<\/strong>\n<ul class=\"wp-block-list\">\n<li class=\"\">Corrosion: Promotes rust and corrosion in pipes, valves, and other components. \u00a0 <a href=\"https:\/\/jhfoster.com\/automation-blogs\/how-contaminants-in-compressed-air-can-affect-processes\/#:~:text=In%20order%20to%20prevent%20contamination,repercussions%20of%20contamination%20may%20be.&amp;Compressed%20air%20systems%20draw%20in,An%20error%20occurred.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/jhfoster.com\/automation-blogs\/how-contaminants-in-compressed-air-can-affect-processes\/#:~:text=In%20order%20to%20prevent%20contamination,repercussions%20of%20contamination%20may%20be.&amp;Compressed%20air%20systems%20draw%20in,An%20error%20occurred.\" target=\"_blank\" rel=\"noreferrer noopener\">1. How Contaminants In Compressed Air Can Affect Processes | JHFOSTER <\/a><a href=\"https:\/\/jhfoster.com\/automation-blogs\/how-contaminants-in-compressed-air-can-affect-processes\/#:~:text=In%20order%20to%20prevent%20contamination,repercussions%20of%20contamination%20may%20be.&amp;Compressed%20air%20systems%20draw%20in,An%20error%20occurred.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/jhfoster.com\/automation-blogs\/how-contaminants-in-compressed-air-can-affect-processes\/#:~:text=In%20order%20to%20prevent%20contamination,repercussions%20of%20contamination%20may%20be.&amp;Compressed%20air%20systems%20draw%20in,An%20error%20occurred.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/jhfoster.com\/automation-blogs\/how-contaminants-in-compressed-air-can-affect-processes\/#:~:text=In%20order%20to%20prevent%20contamination,repercussions%20of%20contamination%20may%20be.&amp;Compressed%20air%20systems%20draw%20in,An%20error%20occurred.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/jhfoster.com\/automation-blogs\/how-contaminants-in-compressed-air-can-affect-processes\/#:~:text=In%20order%20to%20prevent%20contamination,repercussions%20of%20contamination%20may%20be.&amp;Compressed%20air%20systems%20draw%20in,An%20error%20occurred.\" target=\"_blank\" rel=\"noreferrer noopener\">jhfoster.com<\/a><a href=\"https:\/\/jhfoster.com\/automation-blogs\/how-contaminants-in-compressed-air-can-affect-processes\/#:~:text=In%20order%20to%20prevent%20contamination,repercussions%20of%20contamination%20may%20be.&amp;Compressed%20air%20systems%20draw%20in,An%20error%20occurred.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/li>\n\n\n\n<li class=\"\">Freezing: Can cause blockages and malfunctions in cold climates.<\/li>\n\n\n\n<li class=\"\">Washing Away Lubricants: Removes lubricants from moving parts, leading to increased wear and tear.<\/li>\n\n\n\n<li class=\"\">Contamination: Can carry other contaminants throughout the system. \u00a0 <a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\">1. Clean Air Act: Battling Contaminants in Pneumatic Components &#8211; Fluid Power Journal <\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\">fluidpowerjournal.com<\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li class=\"\"><strong>Oil:<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\"><strong>Source:<\/strong> Primarily from the lubricating oil used in oil-lubricated compressors. Even with oil separators, some carry-over into the compressed air is possible.<\/li>\n\n\n\n<li class=\"\"><strong>Forms:<\/strong> Oil can be present as aerosols, mist, or vapor. \u00a0 <a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\">1. Clean Air Act: Battling Contaminants in Pneumatic Components &#8211; Fluid Power Journal <\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\">fluidpowerjournal.com<\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/li>\n\n\n\n<li class=\"\"><strong>Problems:<\/strong>\n<ul class=\"wp-block-list\">\n<li class=\"\">Clogging and Sticking: Accumulates in valves and actuators, causing them to stick or malfunction.<\/li>\n\n\n\n<li class=\"\">Instrument Interference: Can affect the accuracy and reliability of pneumatic instruments.<\/li>\n\n\n\n<li class=\"\">Contamination: Can contaminate products or processes, especially in sensitive applications like food or pharmaceuticals.<\/li>\n\n\n\n<li class=\"\">Fire Hazard: In some cases, oil mist can create a flammable atmosphere.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li class=\"\"><strong>Particulate Matter:<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\"><strong>Source:<\/strong> Dust, dirt, pollen, rust particles, and other airborne solids drawn in from the atmosphere.<\/li>\n\n\n\n<li class=\"\"><strong>Forms:<\/strong> Solid particles of varying sizes. \u00a0 <a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\">1. Clean Air Act: Battling Contaminants in Pneumatic Components &#8211; Fluid Power Journal <\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\">fluidpowerjournal.com<\/a><a href=\"https:\/\/fluidpowerjournal.com\/clean-air-act-battling-contaminants-in-pneumatic-components\/#:~:text=Compressing%20atmospheric%20air%20converts%20it,mist%2C%20aerosol%2C%20or%20vapor.\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/li>\n\n\n\n<li class=\"\"><strong>Problems:<\/strong>\n<ul class=\"wp-block-list\">\n<li class=\"\">Abrasive Wear: Causes wear and tear on valves, seals, and other components, reducing their lifespan.<\/li>\n\n\n\n<li class=\"\">Clogging and Blockages: Can clog orifices, filters, and other small passages, disrupting system operation.<\/li>\n\n\n\n<li class=\"\">Instrument Malfunction: Can interfere with the operation of sensitive instruments.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li class=\"\"><strong>Microorganisms:<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\"><strong>Source:<\/strong> Bacteria, fungi, and other microorganisms can be present in the intake air or thrive in moist environments within the system.<\/li>\n\n\n\n<li class=\"\"><strong>Problems:<\/strong>\n<ul class=\"wp-block-list\">\n<li class=\"\">Contamination: Can contaminate processes or products, especially in hygienic or sterile applications.<\/li>\n\n\n\n<li class=\"\">Corrosion: Some microorganisms can contribute to corrosion in the system.<\/li>\n\n\n\n<li class=\"\">Health Hazards: Can pose health risks if inhaled, particularly in breathing air systems.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Additional Contaminants:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\"><strong>Pipe Scale and Rust:<\/strong> From the internal surfaces of pipes and equipment.<\/li>\n\n\n\n<li class=\"\"><strong>Process Contaminants:<\/strong> Depending on the environment, the air might also pick up contaminants specific to the vessel or its operations, such as chemical fumes or dust from cargo.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Importance of Removal:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\"><strong>Equipment Protection:<\/strong> Removing contaminants prevents damage, extends the lifespan of components, and ensures reliable operation.<\/li>\n\n\n\n<li class=\"\"><strong>Process and Product Quality:<\/strong> Clean air is essential for maintaining product quality and preventing contamination in sensitive processes.<\/li>\n\n\n\n<li class=\"\"><strong>Safety:<\/strong> Removing contaminants minimizes risks to personnel and the environment, particularly in the case of oil and microorganisms.<\/li>\n\n\n\n<li class=\"\"><strong>Efficiency:<\/strong> Clean air improves system efficiency by reducing friction, preventing blockages, and allowing optimal performance of control equipment.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>In summary:<\/strong> Compressed air for control instrumentation needs to be clean and free from contaminants to ensure the safe, reliable, and efficient operation of pneumatic systems on a vessel. Implementing effective filtration and air treatment measures is crucial to achieve the desired air quality.<\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>With reference to an air supply for pneumatic control systems:(a) state THREE contaminants that may be present;(3)(b) explain why the contaminants stated in part (a) are undesirable.(7)<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"templates\/template-full-width.php","meta":{"nf_dc_page":"","footnotes":""},"class_list":["post-4789","page","type-page","status-publish","hentry"],"featured_image_src":null,"_links":{"self":[{"href":"https:\/\/svestudy.com\/index.php?rest_route=\/wp\/v2\/pages\/4789","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/svestudy.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/svestudy.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/svestudy.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/svestudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4789"}],"version-history":[{"count":3,"href":"https:\/\/svestudy.com\/index.php?rest_route=\/wp\/v2\/pages\/4789\/revisions"}],"predecessor-version":[{"id":9428,"href":"https:\/\/svestudy.com\/index.php?rest_route=\/wp\/v2\/pages\/4789\/revisions\/9428"}],"wp:attachment":[{"href":"https:\/\/svestudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}