{"id":2890,"date":"2024-08-05T10:51:37","date_gmt":"2024-08-05T10:51:37","guid":{"rendered":"https:\/\/svestudy.com\/?page_id=2890"},"modified":"2025-05-12T19:18:57","modified_gmt":"2025-05-12T19:18:57","slug":"mde-unit-11-q7","status":"publish","type":"page","link":"https:\/\/svestudy.com\/?page_id=2890","title":{"rendered":"MDE Unit 11 Q7"},"content":{"rendered":"\n
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Quiz<\/a><\/p>\n<\/div>\n\n\n\n

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Next Unit<\/a><\/p>\n<\/div>\n<\/div>\n\n\n\n

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Describe how the lubricating oil of a large medium speed diesel engine may be assessed on board.(10)<\/p>\n\n\n

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Assessing Lubricating Oil Condition Onboard a Large Medium Speed Diesel Engine<\/p>\n\t\t\t

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Onboard assessment of lubricating oil condition in a large medium-speed diesel engine is crucial for maintaining engine health and preventing costly breakdowns. Here are the primary methods:<\/p>\n\n\n\n

Visual Inspection<\/h3>\n\n\n\n
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  • Oil level:<\/strong> Check if the oil level is within the specified range.<\/li>\n\n\n\n
  • Oil color:<\/strong> Observe the oil’s color for any unusual changes (e.g., darkening, milky appearance).<\/li>\n\n\n\n
  • Oil consistency:<\/strong> Check for abnormal thickness or thinness.<\/li>\n\n\n\n
  • Foam or bubbles:<\/strong> Excessive foaming or bubbles can indicate aeration or water contamination.<\/li>\n\n\n\n
  • Metal particles:<\/strong> Inspect the oil for visible metal particles, which may indicate excessive wear.<\/li>\n<\/ul>\n\n\n\n

    Oil Sampling and Analysis<\/h3>\n\n\n\n
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    • Regular sampling:<\/strong> Collect oil samples from various points in the lubrication system for analysis.<\/li>\n\n\n\n
    • Laboratory analysis:<\/strong> Send samples to a shore-based laboratory for detailed analysis.<\/li>\n\n\n\n
    • Onboard testing:<\/strong> While less comprehensive, some onboard tests can provide preliminary indications:\n
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      • Viscosity:<\/strong> Check the oil’s viscosity using a viscometer.<\/li>\n\n\n\n
      • Water content:<\/strong> Use a water-finding paste to detect water contamination.<\/li>\n\n\n\n
      • Sediment and water:<\/strong> Centrifuge a sample to separate sediment and water.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n

        Monitoring Engine Parameters<\/h3>\n\n\n\n
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        • Oil pressure:<\/strong> Monitor oil pressure to ensure adequate lubrication.<\/li>\n\n\n\n
        • Oil temperature:<\/strong> Check oil temperature to avoid overheating.<\/li>\n\n\n\n
        • Engine performance:<\/strong> Observe engine performance for any indications of oil-related issues (e.g., increased noise, vibration, smoke).<\/li>\n<\/ul>\n\n\n\n

          Additional Checks<\/h3>\n\n\n\n
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          • Filter condition:<\/strong> Inspect the oil filter for signs of contamination or blockage.<\/li>\n\n\n\n
          • Oil purifier performance:<\/strong> Monitor the performance of the oil purifier and its discharge.<\/li>\n\n\n\n
          • Sensor data:<\/strong> Utilize engine sensors and monitoring systems to gather data on oil-related parameters.<\/li>\n<\/ul>\n\n\n\n

            By combining these methods, engineers can effectively assess the condition of the lubricating oil and take corrective actions as needed to prevent engine damage.<\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

            Quiz Next Unit Describe how the lubricating oil of a large medium speed diesel engine may be assessed on board.(10)<\/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-2890","page","type-page","status-publish","hentry"],"featured_image_src":null,"_links":{"self":[{"href":"https:\/\/svestudy.com\/index.php?rest_route=\/wp\/v2\/pages\/2890","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=2890"}],"version-history":[{"count":5,"href":"https:\/\/svestudy.com\/index.php?rest_route=\/wp\/v2\/pages\/2890\/revisions"}],"predecessor-version":[{"id":9652,"href":"https:\/\/svestudy.com\/index.php?rest_route=\/wp\/v2\/pages\/2890\/revisions\/9652"}],"wp:attachment":[{"href":"https:\/\/svestudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}