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All Journal JPTK: Jurnal Pendidikan Teknologi dan Kejuruan Journal of Automotive and Mechanical Applied Technology
Beni Setya Nugraha
Jurusan Pendidikan Teknik Otomotif FT UNY
Automotive Engineering Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Other

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Identifikasi Kompetensi SMK Program Studi Otomotif dalam Rangka Implementasi Kebijakan Kurikulum 2013 Gunadi Gunadi; Tawardjono Usman; Beni Setya Nugraha
Jurnal Pendidikan Teknologi dan Kejuruan Vol 22, No 2 (2014): (Oktober)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (608.174 KB) | DOI: 10.21831/jptk.v22i2.8923

Abstract

The objective of this study was to determine; 1) the relevance of competencies in curriculum 2013 with the expectation of the school and the world of business and industry 2) the competencies expected by the school and the world of business and industry for the development of curriculum 2013, and 3) the roles of lecturers and education experts in the implementation of curriculum 2013, especially for the Department of Automotive, Vocational High Schools in Yogyakarta. The study was conducted with survey approach in the industry (authorized workshops), schools (Vocational High School), and universities (YSU and STU). The data collection was conducted using documentation, questionnaires, and interviews. The data was analysed using quantitative descriptive statistics. The results showed that: the relevance of competencies in curriculum 2013 with the expected competencies was 82% to 89%. The competencies expected by the schools and the world of business and industry consists of drawing with autocad and / or 3D max, spooring, as well as maintaining hidroulik power steering, measuring and analyzing vehicle emissions, maintaining hydraulic power steering (HPS), analyzing damage in the system of wiring diagram, and conducting damage diagnosis. The lectures’ contribution in the socialization and  implementation aspects were categorized as good with the mean scores of 73 and 39.5 respectively.
Analysis of The Effects of Oil and Fuel Type on Motorcycle Fuel Consumption Vario 125 CC ESP FI Pangestu, Firmansyah Arya; Sampurno, Yoga Guntur; Nugraha, Beni Setya
Journal of Automotive and Mechanical Applied Technology Vol. 1 No. 1 (2024): December
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jamat.v1i1.801

Abstract

The efficiency of fuel consumption in motorcycles is determined by multiple factors, such as the type of oil and fuel utilized. The careful choice of these two elements is essential for enhancing engine performance and reducing operational expenses. This study examines the impact of various oil and fuel types on the fuel consumption of the Honda Vario 125 cc ESP FI motorcycle, with particular attention to the relationship between engine oil viscosity and fuel quality. The study involved conducting experiments with a range of engine oil combinations, specifically 10W-30 and 20W-40, alongside different fuels like Pertalite and Pertamax, each exhibiting distinct octane ratings and combustion properties. The methodology included systematic and thorough testing in controlled environments, where factors like distance and load were standardized to guarantee precision and consistency. The results indicated clear variations in fuel efficiency among the tested combinations. The application of 10W-30 oil in conjunction with Pertalite fuel resulted in a 0.76% enhancement in efficiency when compared to the use of 20W-40 oil with the same fuel type. In a comparable analysis, 10W-30 oil demonstrated a 3.87% increase in efficiency over 20W-40 oil when used with Pertamax fuel. In the analysis of fuel types, Pertamax demonstrated a 16% increase in efficiency compared to Pertalite when used with 10W-30 oil, and a 12.52% increase in efficiency with 20W-40 oil. The results highlight the benefits associated with the utilization of high-quality, low-viscosity oils and higher-octane fuels in achieving improved fuel economy. In summary, the most effective combination for achieving fuel efficiency and cost savings is the use of 10W-30 oil alongside Pertamax fuel. This pairing is advised for Honda Vario 125 cc ESP FI users aiming for improved performance and lower fuel costs.
Periodic Maintenance Analysis Of Locomotive Series CC201 And CC203 Using Markov Chain Method at UPT.Balaiyasa Yogyakarta Zufar, Muhammad Nafidz; Nugraha, Beni Setya; Sudarwanto
Journal of Automotive and Mechanical Applied Technology Vol. 1 No. 1 (2024): December
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jamat.v1i1.816

Abstract

The objectives of this study are: (1) To get and provide the right periodic maintenance implementation time on CC201 locomotive maintenance. (2) To get and provide the right periodic maintenance implementation time on CC203 locomotive maintenance. The method used in this research is Markov Chain, using the type of applied research. This research uses a quantitative approach. The data collection techniques used are (1) Primary Data Collection; and (2) Secondary Data Collection. Meanwhile, the research instruments used (1) Observation Sheet; and (2) Documentation. The data analysis used is (1) Determination of Condition or State; (2) Creating a Transition Matrix; and (3) Steady State Analysis to get the probability of locomotive conditions in good condition, lightly damaged, moderately damaged or severely damaged. The results of this study show that: (1) The right periodic maintenance implementation time on CC201 locomotive maintenance is proposal II at interval P2 with the highest probability of good condition of 0.609 and the lowest probability of heavy condition of 0.021. With this, a maintenance scheduling policy is obtained for every 1 month to perform periodic maintenance on day 7,128. (2) The right periodic maintenance implementation time for CC203 locomotive maintenance is proposal II at interval P2 with the highest probability in good condition of 0.619 and the lowest probability in severe condition of 0.142. With this, a maintenance scheduling policy is obtained for every 1 month to perform periodic maintenance on day 24,516.
Co-Authors Gunadi Gunadi Pangestu, Firmansyah Arya Sudarwanto, Sudarwanto Tawardjono Us. Yoga Guntur Sampurno Zufar, Muhammad Nafidz