503 research outputs found

    PERANCANGAN SISTEM PELUMASAN KINCIR ANGIN PADA TRANSMISI ATAS

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    Teknologi kincir angin adalah salah satu tekonologi alternatif yang dapat mengurangi konsumsi terhadap bahan baku minyak yang sampai saat ini harganya sangat mahal. Kincir angin mempunyai berbagai kelebihan antara lain yaitu biaya produksi yang tidak terlalu mahal, desainnya sederhana dan dapat digunakan untuk berbagai kebutuhan. Antara lain pembangkit listrik, pemindah air di tambak dan penyedot air pada sumur. Adapun kekurangannya tidak dapat ditempatkan disembarang tempat. Karena untuk memutarkan sudu pada kincir angin dibutuhkan angin yang cukup besar dan relatif konstan. Pada tugas akhir penulis ini akan membahas sistem kerja pelumasan kincir angin yang efektif dan efisien. Terutama kincir angin yang penggeraknya menggunakan roda gigi lurus dan engkol. Dan metode yang digunakan adalah metode pelumasan semprot, dimana pada metode semprot ini menggunakan pompa yang digerakkan oleh engkol. Metode semprot ini dipilih karena tidak membutuhkan pelumas dalam jumlah yang besar. Jika menggunakan sistem yang lain bisa membutuhkan pelumas dalam jumlah yang besar selain itu juga lebih butuh keteletatenan. Apalagi bila bok kincir angin tersebut relatif besar yang hal ini bisa membutuhkan pelumas yang banyak ( pelumasan celup )

    A Study on the Ability of the Second Year Students of Sman 1 Tualang in Writing Descriptive Texts

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    The purpose of this study is to find out the ability of the second year students of SMAN 1 Tualang in writing descriptive texts. In this research, the data was obtained from students\u27 writing scores. The test is in the form of an essay because the test required the respondents to give the answer in the form of written descriptive text. There are five components of writing: grammar, organizing ideas, vocabulary, fluency / content, and mechanics (Harris : 1974). The writer analyzed the ability of the second year students based on five category: excellent, good, mediocre, poor, and very poor. The participants in this study are 26 students from XI IPA2 of SMAN 1 Tualang. The result of this study described that a number of students faced a problem in mechanics. Grammar is the highest average score. Based on these findings, it can be concluded that the ability of the second year students of SMAN 1 Tualang is in good level. Although the students still faced some difficulties in writing descriptive texts

    Interior Cafe Jamu Tradisional Jawa Di Surabaya

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    In Java, there are various brands of herbal medicine that has been growing rapidly. Interior design of traditional herbal java cafe is a commercial design in Surabaya. This includes information cafe area, kitchen area, shop area, office area, staff areas and toilets. The purpose of this design is to design a cafe which added informative value and can attract visitors that will come back again to enjoy the product as well as the interior. The concept of design is healthy, this concept taken from the purpose of the herbal medicine itself which is to nourish the body. Generally this concept was applied to simple and organic formation furniture, using dominant natural material, circulation between floors using a ramp, maximizing the use of natural lighting, and pay attention to inddor air quality
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