{"id":467,"date":"2015-11-25T16:09:23","date_gmt":"2015-11-25T08:09:23","guid":{"rendered":"http:\/\/people.utm.my\/shamsul\/?page_id=467"},"modified":"2015-11-25T16:12:24","modified_gmt":"2015-11-25T08:12:24","slug":"assignment-1","status":"publish","type":"page","link":"https:\/\/people.utm.my\/shamsul\/classes\/fluid-power-hydraulic-and-pneumatic\/assignment-1\/","title":{"rendered":"Assignment 1"},"content":{"rendered":"<p><strong>SELF ASSESSMENT EXERCISE 1 (HYDRAULIC FLUID)<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p>You will need to have read the tutorials on fluids and reservoirs to answer the following questions.<\/p>\n<ol>\n<li>List the additives in oil identified by the code HV.<\/li>\n<\/ol>\n<p>a____________________________________<\/p>\n<p>b._____________________________________<\/p>\n<p>c._____________________________________<\/p>\n<ol start=\"2\">\n<li>What normally happens to the VISCOSITY of a fluid when it get hotter.<\/li>\n<\/ol>\n<p>_________________________________________________________<\/p>\n<ol start=\"3\">\n<li>State the names of THREE types of fire resistant fluid<\/li>\n<\/ol>\n<p>_________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"4\">\n<li>What does viscosity measure?<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"5\">\n<li>State 2 seal materials which are compatible with phosphate ester fluids?<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"6\">\n<li>State two hydraulic hose materials which are compatible with phosphate ester fluids?<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"7\">\n<li>What is the meaning of viscosity index?<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<p>&nbsp;<\/p>\n<ol start=\"8\">\n<li>State two effects a fluid with a poor viscosity index would this have on a machine running hot?<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"9\">\n<li>List 2 reasons why hydraulic oil may overheat when in use.<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"10\">\n<li>What is the difference between an oil\/water emulsion and a water\/oil emulsion?<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"11\">\n<li>State two disadvantages of water as a hydraulic fluid.<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"12\">\n<li>State 2 reasons why oil should not be stored in open containers.<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"13\">\n<li>State the danger associated with oils with a low flash point.<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"14\">\n<li>State two measures you would use to ensure that a hydraulic machine is not topped up with the wrong<\/li>\n<\/ol>\n<p>type of fluid.<\/p>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<p>&nbsp;<\/p>\n<ol start=\"15\">\n<li>State the correct colour coding for a pipe carrying mineral hydraulic oil under pressure.<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"16\">\n<li>State the reason why hydraulic oil should not be allowed to cascade into the tank on return.<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"17\">\n<li>State how water may form in a hydraulic tank over a period of time.<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"18\">\n<li>State the consequence of letting air mix with mineral oil.<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"19\">\n<li>State 2 consequences of using a tank which is too small for a hydraulic machine.<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<ol start=\"20\">\n<li>State the purpose of baffles inside hydraulic tanks.<\/li>\n<\/ol>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n<p>___________________________________________________________________<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SELF ASSESSMENT EXERCISE 1 (HYDRAULIC FLUID) \u00a0 You will need to have read the tutorials on fluids and reservoirs to answer the following questions. List the additives in oil identified by the code HV. a____________________________________ b._____________________________________ c._____________________________________ What normally happens to the VISCOSITY of a fluid when it get hotter. _________________________________________________________ State the names of [&hellip;]<\/p>\n","protected":false},"author":368,"featured_media":0,"parent":418,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-467","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/pages\/467","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/users\/368"}],"replies":[{"embeddable":true,"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/comments?post=467"}],"version-history":[{"count":0,"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/pages\/467\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/pages\/418"}],"wp:attachment":[{"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/media?parent=467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}