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Workplace Safety Efforts

a) Keep a clean and healthy: (1) Workers have a sense of excitement to work (2) It enhances the spirit and the willingness of workers (3) It can lead to innovative and creative attitude b) Safe: (1) Any interference from outside, can be maintained by the guard, windows and doors are good (2) Students can freely exit in case of ...

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Roller Bearings

In the rolling bearing rolling friction occurs between the rotating parts with the rest through the rolling elements such as balls (bullets), roller or needle roller bearings or spherical roller. Rolling bearings are more suitable for small loads. Round the rolling bearings is limited by the centrifugal force arising on the rolling elements. When viewed in terms of cost, rolling ...

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Simple Beams Construction

Simple beam construction is construction ditumpu on two fulcrum, each in the form of joint and rollers. This type of construction is a certain static, which can be solved with the balance equation. Construction simple beam with a concentrated load to be able to draw a field of SFD, NFD and BMD must first be calculated reactions vertical direction. As ...

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Oil Spot Sampling Method

1. Core Thief Spot Sampling Procedure Application: This method outlines a tool for sampling liquid / liquid that has a RVP at 101 kPa (14.7 psia) or less in storage tanks, tank cars, tank trucks, boats and floating tanks. Equipment: Work principle :  Check / assure a measuring cup and a sample in a clean and dry  Check ...

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Purging – Fill and Empty Method

Hubungkan tubing Extention (panjang 2-4 ft) yang dilengkapi Valve buang (Valve 4) dengan outlet Valve wadah sampel (Valve 3). Cara ini disarankan untuk menghilangkan kemungkinan terdapatnya kondensat hidrokarbon berat dalam outlet Valve wadah sampel. Selanjutnya lakukan prosedur sampling dengan cara sebagai berikut : 1) Buka Valve pada sampling point dan bersihkan kotoran-kotoran yang terkumpul. 2) Hubungkan ujung wadah sampel lewat ...

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Sampling Hidrokarbon Cair

Ruang Lingkup Metode ini didiskripsikan untuk mendapatkan sampel hidrokarbon cair yang homogen untuk analisis laboratorium Pada metode ini tidak merekomendasikan penempatan titik pengambilan sampel. Garis besar metode Suatu sampel hidrokarbon cair dipindahkan di bawah tekanan dari piston yang ada dalam silinder. Silinder berpiston ini didisain untuk menempatkan gas iner yang bertekanan. Piston juga berfungsi sebagai pembatas antara gas iner dan ...

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