{"id":5720,"date":"2023-05-11T06:28:04","date_gmt":"2023-05-11T06:28:04","guid":{"rendered":"https:\/\/seadonna.com\/blog\/?p=5720"},"modified":"2023-06-02T17:30:15","modified_gmt":"2023-06-02T17:30:15","slug":"the-4-stroke-engine-meo-class-4-marine-engineer-study-guide","status":"publish","type":"post","link":"https:\/\/seadonna.com\/blog\/the-4-stroke-engine-meo-class-4-marine-engineer-study-guide\/","title":{"rendered":"THE 4-STROKE ENGINE | MEO CLASS 4 | MARINE ENGINEER STUDY GUIDE"},"content":{"rendered":"

 <\/p>\n

SCHEMATIC DIAGRAM OF 4-STROKE MARINE ENGINE<\/strong>
\n\"\"<\/p>\n

A cross-section of a four-stroke cycle engine is shown in mentioned figure. The engine is made up of a piston which moves up and down in a cylinder which is covered at the top by a cylinder head.<\/p>\n

The fuel injector, through which fuel enters the cylinder, is located in the cylinder head.<\/p>\n

The inlet and exhaust valves are also housed in the cylinder head and held shut by springs.<\/p>\n

The piston is joined to the connecting rod by a gudgeon pin.
\nThe bottom end or big end of the connecting rod is joined to the crankpin which forms part of the crankshaft.<\/p>\n

With this assembly the linear up-and-down movement of the piston is converted into rotary movement of the crankshaft.<\/p>\n

The crankshaft is arranged to drive through gears the camshaft, which either directly or through pushrods operates rocker arms which open the inlet and exhaust valves.<\/p>\n

The camshaft is ‘timed’ to open the valves at the correct point in the cycle.<\/p>\n

The crankshaft is surrounded by the crankcase and the engine framework which supports the cylinders and houses the crankshaft bearings.<\/p>\n

The cylinder and cylinder head are arranged with water-cooling passages around them.<\/p>\n

 <\/p>\n

\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

  SCHEMATIC DIAGRAM OF 4-STROKE MARINE ENGINE A cross-section of a four-stroke cycle engine is shown in mentioned figure. The engine is made up of a piston which moves up and down in a cylinder which is covered at the top by a cylinder head. The fuel injector, through which fuel enters the cylinder, is […]<\/p>\n","protected":false},"author":1,"featured_media":5729,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79],"tags":[],"class_list":["post-5720","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-marine-engineering-competency-exams-study-blogs"],"_links":{"self":[{"href":"https:\/\/seadonna.com\/blog\/wp-json\/wp\/v2\/posts\/5720","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/seadonna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/seadonna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/seadonna.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/seadonna.com\/blog\/wp-json\/wp\/v2\/comments?post=5720"}],"version-history":[{"count":3,"href":"https:\/\/seadonna.com\/blog\/wp-json\/wp\/v2\/posts\/5720\/revisions"}],"predecessor-version":[{"id":5728,"href":"https:\/\/seadonna.com\/blog\/wp-json\/wp\/v2\/posts\/5720\/revisions\/5728"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/seadonna.com\/blog\/wp-json\/wp\/v2\/media\/5729"}],"wp:attachment":[{"href":"https:\/\/seadonna.com\/blog\/wp-json\/wp\/v2\/media?parent=5720"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/seadonna.com\/blog\/wp-json\/wp\/v2\/categories?post=5720"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/seadonna.com\/blog\/wp-json\/wp\/v2\/tags?post=5720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}