{"id":160008,"date":"2023-09-20T13:58:11","date_gmt":"2023-09-20T08:28:11","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=160008"},"modified":"2023-09-20T13:58:11","modified_gmt":"2023-09-20T08:28:11","slug":"a-level-instrument-at-a-height-of-1-320-m-has-been-placed-at-a-station-having-a-reduced-level-rl-of-112-565-m","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/a-level-instrument-at-a-height-of-1-320-m-has-been-placed-at-a-station-having-a-reduced-level-rl-of-112-565-m\/","title":{"rendered":"A level instrument at a height of 1.320 m has been placed at a station having a Reduced Level (RL) of 112.565 m"},"content":{"rendered":"\n<p>Q. A level instrument at a height of 1.320 m has been placed at a station having a Reduced Level (RL) of 112.565 m. The instrument reads -2.835 m on a levelling staff held at the bottom of a bridge deck. The RL (in m) of the bottom of the bridge deck is<\/p>\n\n\n\n<p>(A) 116.720\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (B) 116.080\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (C) 114.080\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (D) 111.050<\/p>\n\n\n\n<p>Ans: 116.720<\/p>\n\n\n\n<p>Sol:<\/p>\n\n\n\n<p>The correct option is\u00a0<strong>C<\/strong>\u00a0116.720<br>(Bottom of bridge deck staff reading is -ve indicates inverted staff.)<br>Height of instrument=112.565+1.320\u00a0=113.885m<br>RL of bottom of bridge=113.885+2.835\u00a0=116.720m<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Q. A level instrument at a height of 1.320 m has been placed at a station having a Reduced Level (RL) of 112.565 m. The instrument reads -2.835 m on a levelling staff held at the bottom of a bridge deck. The RL (in m) of the bottom of the bridge deck is (A) 116.720\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":160009,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5141],"tags":[5140],"offerexpiration":[],"class_list":["post-160008","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate","tag-gate-questions"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/160008","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=160008"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/160008\/revisions"}],"predecessor-version":[{"id":160010,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/160008\/revisions\/160010"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/160009"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=160008"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=160008"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=160008"},{"taxonomy":"offerexpiration","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/offerexpiration?post=160008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}