Penelitian ini bertujuan untuk mengetahui nilai kekerasan menggunakan mesin uji Vickers pada baja ST 37 yang telah diberi perlakuan Normalizing. Metode penelitian yang digunakan adalah metode penelitian eksperimental dengan tujuan mengetahui sebab akibat berdasarkan percobaan yang dilakukan secara langsung atas perlakuan yang diberikan. Suhu yang digunakan adalah 600⁰C dengan penahanan waktu …
Hydrogen is the simplest chemical element with one proton and one electron and hydrogen is colorless, odorless, non-metallic and a highly flammable gas. The purpose of this study was to find out and analyze experiments on piping systems that use hydrogen gas fluids and the use of 2 types of valves against flow losses. This research uses experimental methods, by making direct observations to obt…
CV. Putra Alam Ratu is a business engaged in Pertamina with a smaller scale (Pertashop). Compared to Pertamina, Pertashop itself is easier to reach in various areas but the price of fuel available at Pertashop is slightly more expensive than the price of fuel in Pertamina in general. Based on the results of research conducted at CV. Putra Alam Ratu explained that the processing of cash inflow a…