{"id":57981,"date":"2026-01-07T14:49:12","date_gmt":"2026-01-07T14:49:12","guid":{"rendered":"https:\/\/testsdmv.com\/study-guides\/florida\/chapter-12\/"},"modified":"2026-03-19T10:37:34","modified_gmt":"2026-03-19T10:37:34","slug":"chapter-12","status":"publish","type":"page","link":"https:\/\/testsdmv.com\/vi\/study-guides\/florida\/chapter-12\/","title":{"rendered":"Ch\u01b0\u01a1ng 12: K\u00e9o r\u01a1-mo\u00f3c"},"content":{"rendered":"\n<div>\n<div>\n<div class=\"dmv-lang-container\">\n    <div class=\"dmv-lang-links\">\n        \n<div role=\"navigation\" aria-label=\"Language Switcher\" class=\"wpml-ls-statics-shortcode_actions wpml-ls wpml-ls-legacy-list-horizontal\">\n\t<ul><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-en wpml-ls-first-item wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/\" hreflang=\"en\" lang=\"en\" class=\"wpml-ls-link\" aria-label=\"Switch to English\" title=\"Switch to English\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">English<\/span><\/a>\n\t\t\t<\/li><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-es wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/es\/\" hreflang=\"es\" lang=\"es\" class=\"wpml-ls-link\" aria-label=\"Switch to Espa\u00f1ol\" title=\"Switch to Espa\u00f1ol\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">Espa\u00f1ol<\/span><\/a>\n\t\t\t<\/li><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-zh-hans wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/zh-hans\/\" hreflang=\"zh-hans\" lang=\"zh-hans\" class=\"wpml-ls-link\" aria-label=\"Switch to \u7b80\u4f53\u4e2d\u6587\" title=\"Switch to \u7b80\u4f53\u4e2d\u6587\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">\u7b80\u4f53\u4e2d\u6587<\/span><\/a>\n\t\t\t<\/li><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-ko wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/ko\/\" hreflang=\"ko\" lang=\"ko\" class=\"wpml-ls-link\" aria-label=\"Switch to \ud55c\uad6d\uc5b4\" title=\"Switch to \ud55c\uad6d\uc5b4\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">\ud55c\uad6d\uc5b4<\/span><\/a>\n\t\t\t<\/li><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-fil-ph wpml-ls-last-item wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/fil-ph\/\" hreflang=\"fil-ph\" lang=\"fil-ph\" class=\"wpml-ls-link\" aria-label=\"Switch to Tagalog\" title=\"Switch to Tagalog\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">Tagalog<\/span><\/a>\n\t\t\t<\/li><\/ul>\n<\/div>\n\n    <\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"gb-element-ccfc5d40\">\n<p class=\"gb-text gb-text-0f6f7956\">H\u00e3y s\u1eed d\u1ee5ng h\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u1ec3 chu\u1ea9n b\u1ecb cho k\u1ef3 thi v\u00e0 tham kh\u1ea3o s\u1ed5 tay ch\u00ednh th\u1ee9c \u0111\u1ec3 bi\u1ebft \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin.<\/p>\n<\/div>\n\n\n\n<aside class=\"gb-element-67617362\">\n<div class=\"gb-accordion gb-accordion-025724cd\">\n<div class=\"gb-accordion__item gb-accordion__item-88eef01e gb-accordion__item-open\">\n<div role=\"button\" tabindex=\"0\" class=\"gb-accordion__toggle gb-accordion__toggle-760b9f99 gb-block-is-current\" id=\"gb-accordion-toggle-760b9f99\">\n<span class=\"gb-text\">Trong ch\u01b0\u01a1ng n\u00e0y:<\/span>\n\n\n\n<span class=\"gb-accordion__toggle-icon gb-accordion__toggle-icon-37c071d3\"><span class=\"gb-accordion__toggle-icon-open\"><svg aria-hidden=\"true\" viewBox=\"0 0 256 256\"><rect width=\"256\" height=\"256\" fill=\"none\"><\/rect><polyline points=\"208 96 128 176 48 96\" fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"16\"><\/polyline><\/svg><\/span><span class=\"gb-accordion__toggle-icon-close\"><svg aria-hidden=\"true\" viewBox=\"0 0 256 256\"><rect width=\"256\" height=\"256\" fill=\"none\"><\/rect><polyline points=\"48 160 128 80 208 160\" fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"16\"><\/polyline><\/svg><\/span><\/span>\n<\/div>\n\n\n\n<div class=\"gb-accordion__content\" id=\"gb-accordion-content-67669fb5\">\n<div class=\"gb-element-32d91237\"><nav class=\"chapter-nav-auto\" aria-label=\"Chapter sections\"><ul><li><a href=\"#trailer-equipment-loading\">Thi\u1ebft b\u1ecb v\u00e0 Ch\u1ea5t h\u00e0ng<\/a><\/li><li><a href=\"#driving-with-trailer\">L\u00e1i xe v\u1edbi R\u01a1-mo\u00f3c<\/a><\/li><li><a href=\"#quick-numbers\">B\u1ea3ng S\u1ed1 li\u1ec7u Nhanh<\/a><\/li><li><a href=\"#points-suspension\">B\u1ea3ng \u0110i\u1ec3m\/\u0110\u00ecnh ch\u1ec9<\/a><\/li><li><a href=\"#updates-today\">B\u1ea3ng C\u1eadp nh\u1eadt (H\u00f4m nay)<\/a><\/li><li><a href=\"#test-yourself\">T\u1ef1 ki\u1ec3m tra<\/a><\/li><\/ul><\/nav>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/aside>\n\n\n\n<div class=\"study-guide-content\">\n<div class=\"gb-element-df7b8d5e\">\n<p class=\"wp-block-paragraph\">K\u00e9o m\u1ed9t r\u01a1-mo\u00f3c l\u00e0m thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd, t\u0103ng t\u1ed1c v\u00e0 phanh c\u1ee7a m\u1ed9t chi\u1ebfc xe, g\u00e2y ra nh\u1eefng r\u1ee7i ro m\u1edbi tr\u00ean \u0111\u01b0\u1eddng. Hi\u1ec3u r\u00f5 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3 v\u00e0 c\u00e1c \u0111i\u1ec1u ch\u1ec9nh khi l\u00e1i xe l\u00e0 r\u1ea5t quan tr\u1ecdng cho s\u1ef1 an to\u00e0n v\u00e0 l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n trong k\u1ef3 thi l\u1ea5y gi\u1ea5y ph\u00e9p l\u00e1i xe. Vi\u1ec7c ch\u1ea5t h\u00e0ng l\u00ean r\u01a1-mo\u00f3c \u0111\u00fang c\u00e1ch v\u00e0 bi\u1ebft c\u00e1ch ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng kh\u1ea9n c\u1ea5p nh\u01b0 r\u01a1-mo\u00f3c b\u1ecb l\u1eafc c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba c\u00e1c v\u1ee5 va ch\u1ea1m nghi\u00eam tr\u1ecdng, \u0111e d\u1ecda t\u00ednh m\u1ea1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"trailer-equipment-loading\">Thi\u1ebft b\u1ecb v\u00e0 Ch\u1ea5t h\u00e0ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi k\u00e9o, ng\u01b0\u1eddi l\u00e1i xe ph\u1ea3i \u0111\u1ea3m b\u1ea3o xe v\u00e0 r\u01a1-mo\u00f3c \u0111\u01b0\u1ee3c trang b\u1ecb v\u00e0 k\u1ebft n\u1ed1i \u0111\u00fang c\u00e1ch. S\u1eed d\u1ee5ng \u0111\u00fang thi\u1ebft b\u1ecb v\u00e0 ch\u1ea5t h\u00e0ng l\u00ean r\u01a1-mo\u00f3c \u0111\u00fang c\u00e1ch l\u00e0 nh\u1eefng b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 ng\u0103n ng\u1eeba h\u1ecfng h\u00f3c thi\u1ebft b\u1ecb v\u00e0 m\u1ea5t ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Thi\u1ebft b\u1ecb B\u1eaft bu\u1ed9c<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u00f3c k\u00e9o v\u00e0 Thanh k\u00e9o:<\/strong> Thanh k\u00e9o ho\u1eb7c k\u1ebft n\u1ed1i k\u00e9o ph\u1ea3i \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 k\u00e9o to\u00e0n b\u1ed9 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a r\u01a1-mo\u00f3c. N\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c d\u00e0i h\u01a1n 15 feet tr\u1eeb khi k\u00e9o c\u00e1c v\u1eadt th\u1ec3 kh\u00f4ng th\u1ec3 d\u1ec5 d\u00e0ng th\u00e1o r\u1eddi. N\u1ebfu m\u1ed9t s\u1ee3i x\u00edch, d\u00e2y th\u1eebng ho\u1eb7c c\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m k\u1ebft n\u1ed1i, m\u1ed9t l\u00e1 c\u1edd tr\u1eafng c\u00f3 k\u00edch th\u01b0\u1edbc \u00edt nh\u1ea5t 12 inch vu\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o n\u00f3.<\/li>\n\n\n\n<li><strong>X\u00edch an to\u00e0n:<\/strong> C\u1ea7n c\u00f3 hai x\u00edch an to\u00e0n \u0111\u1ec3 k\u1ebft n\u1ed1i r\u01a1-mo\u00f3c v\u1edbi xe k\u00e9o. Ch\u00fang ph\u1ea3i \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 gi\u1eef r\u01a1-mo\u00f3c n\u1ebfu m\u00f3c k\u00e9o ch\u00ednh b\u1ecb h\u1ecfng. C\u00e1c s\u1ee3i x\u00edch n\u00ean \u0111\u01b0\u1ee3c b\u1eaft ch\u00e9o d\u01b0\u1edbi l\u01b0\u1ee1i r\u01a1-mo\u00f3c theo h\u00ecnh ch\u1eef &#8220;X&#8221;. \u0110i\u1ec1u n\u00e0y ng\u0103n l\u01b0\u1ee1i r\u01a1-mo\u00f3c r\u01a1i xu\u1ed1ng m\u1eb7t \u0111\u01b0\u1eddng n\u1ebfu n\u00f3 b\u1ecb ng\u1eaft k\u1ebft n\u1ed1i v\u00e0 c\u00f3 th\u1ec3 gi\u00fap duy tr\u00ec m\u1ed9t s\u1ed1 kh\u1ea3 n\u0103ng \u0111i\u1ec1u khi\u1ec3n l\u00e1i.<\/li>\n\n\n\n<li><strong>\u0110\u00e8n:<\/strong> R\u01a1-mo\u00f3c ph\u1ea3i c\u00f3 h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng ho\u1ea1t \u0111\u1ed9ng ri\u00eang k\u1ebft n\u1ed1i v\u1edbi xe k\u00e9o. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m \u0111\u00e8n h\u1eadu, \u0111\u00e8n phanh v\u00e0 \u0111\u00e8n xi nhan. N\u1ebfu r\u01a1-mo\u00f3c r\u1ed9ng h\u01a1n 80 inch, n\u00f3 c\u00f3 th\u1ec3 y\u00eau c\u1ea7u th\u00eam \u0111\u00e8n b\u00e1o kho\u1ea3ng tr\u1ed1ng v\u00e0 \u0111\u00e8n \u0111\u00e1nh d\u1ea5u.<\/li>\n\n\n\n<li><strong>Phanh:<\/strong> Lu\u1eadt Florida y\u00eau c\u1ea7u m\u1ed9t h\u1ec7 th\u1ed1ng phanh ri\u00eang tr\u00ean b\u1ea5t k\u1ef3 r\u01a1-mo\u00f3c n\u00e0o c\u00f3 t\u1ed5ng tr\u1ecdng l\u01b0\u1ee3ng t\u1eeb <strong>3,000 pound tr\u1edf l\u00ean<\/strong>. C\u00e1c phanh n\u00e0y ph\u1ea3i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi ng\u01b0\u1eddi l\u00e1i xe c\u1ee7a xe k\u00e9o v\u00e0 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng k\u00edch ho\u1ea1t n\u1ebfu r\u01a1-mo\u00f3c b\u1ecb t\u00e1ch ra kh\u1ecfi m\u00f3c k\u00e9o.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ea5t h\u00e0ng \u0110\u00fang c\u00e1ch (Quy t\u1eafc 60\/40)<\/h3>\n<\/div>\n\n\n<\/p>\n\n\n\n<div class=\"gb-element-3735b8d6\">\n<div>\n<p class=\"gb-text gb-text-61ea4bd9\">\ud83d\udd12<\/p>\n<\/div>\n\n\n\n<p class=\"gb-text\">\u0110\u00e2y l\u00e0 n\u1ed9i dung Premium. Truy c\u1eadp n\u1ed9i dung b\u1ecb gi\u1edbi h\u1ea1n \u2014 c\u00e1c B\u00e0i thi DMV m\u1edf r\u1ed9ng, H\u01b0\u1edbng d\u1eabn h\u1ecdc t\u1eadp v\u00e0 b\u00e0i thi CDL.<\/p>\n\n\n\n<a class=\"gb-text gb-text-4785f37c\" href=\"https:\/\/testsdmv.com\/vi\/pricing\/\">Truy c\u1eadp G\u00f3i Premium<\/a>\n\n\n\n<p class=\"gb-text gb-text-95adcd10\"><em>\u0110\u00e3 mua? <a href=\"https:\/\/testsdmv.com\/vi\/sign-in\/\">\u0110\u0103ng nh\u1eadp<\/a><\/em><\/p>\n<\/div>\n\n\n<p>\n\n\n\n\n\n\n<div><nav class=\"tdmv-nav-container\" aria-label=\"Page navigation\"><a href=\"https:\/\/testsdmv.com\/vi\/study-guides\/florida\/chapter-11\/\" class=\"tdmv-nav-btn prev-btn\">< Ch\u01b0\u01a1ng tr\u01b0\u1edbc<\/a><span class=\"empty-nav-placeholder\"><\/span><\/nav>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>K\u00e9o m\u1ed9t r\u01a1-mo\u00f3c l\u00e0m thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd, t\u0103ng t\u1ed1c v\u00e0 phanh c\u1ee7a m\u1ed9t chi\u1ebfc xe, g\u00e2y ra nh\u1eefng r\u1ee7i ro m\u1edbi tr\u00ean \u0111\u01b0\u1eddng. Hi\u1ec3u r\u00f5 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3 v\u00e0 c\u00e1c \u0111i\u1ec1u ch\u1ec9nh khi l\u00e1i xe l\u00e0 r\u1ea5t quan tr\u1ecdng cho s\u1ef1 an to\u00e0n v\u00e0 l\u00e0 &#8230; <a title=\"Ch\u01b0\u01a1ng 12: K\u00e9o r\u01a1-mo\u00f3c\" class=\"read-more\" href=\"https:\/\/testsdmv.com\/vi\/study-guides\/florida\/chapter-12\/\" aria-label=\"Read more about Ch\u01b0\u01a1ng 12: K\u00e9o r\u01a1-mo\u00f3c\">Read more<\/a><\/p>\n","protected":false},"author":30,"featured_media":34219,"parent":56032,"menu_order":12,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-57981","page","type-page","status-publish","has-post-thumbnail"],"_links":{"self":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/57981","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/users\/30"}],"replies":[{"embeddable":true,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/comments?post=57981"}],"version-history":[{"count":0,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/57981\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/56032"}],"wp:attachment":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/media?parent=57981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}