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All Journal Jurnal Pendidikan Vokasi Al Ishlah Jurnal Pendidikan SEMAR Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Nozel : Jurnal Pendididikan Teknik Mesin
Ranto Ranto
Mechanical Engineering Education, Sebelas Maret University
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Transportation Veterinary Other

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The Influence of Industrial Internship and Self-Efficacy on Teaching Readiness of Mechanical Engineering Education Graduates Muhammad Akhyar; Wita Hidayati; Suharno Suharno; Ranto Ranto
AL-ISHLAH: Jurnal Pendidikan Vol 16, No 1 (2024): AL-ISHLAH: JURNAL PENDIDIKAN
Publisher : STAI Hubbulwathan Duri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35445/alishlah.v16i1.4296

Abstract

The purpose of this research is to find out the influence of industrial apprenticeship and self-efficacy on teaching readiness. The research method used is the survey method. The population in this study were 118 graduates of mechanical engineering education who taught as teachers. The sampling technique used random sampling with as many as 91 respondents. The results of the data have been normally distributed and linear. The results of the data did not occur multicollinearity with a tolerance value of 0.399 0.10 and VIF 2.508 10. The results of the data did not show heteroscedasticity. The regression equation obtained is Y = 4,443 + 0,464X 1 + 0,578X 2. Based on the results of the industrial apprenticeship T-test on teaching readiness of 4.510 1.987 where Tcount Ttable, there is a partial effect of industrial apprenticeship on teaching readiness. The results of the T-test, self-efficacy on teaching readiness amounted to 4.840 1.987 where Tcount Ttable, so there is a partial effect of self-efficacy on teaching readiness. The results of the F hypothesis test (Fcount Ftable is 97.347 3.10. Based on the coefficient of determination, industrial apprenticeship and self-efficacy affect teaching readiness by 0.689. So, in conclusion, there is a positive influence between industrial apprenticeship and self-efficacy on readiness for teaching graduates of Mechanical Engineering Education.
Implementation of flipped learning to increase student learning activeness in the combustion engine lecture Ranto Ranto; Antika Wulandari; Ngatou Rohman
Jurnal Pendidikan Vokasi Vol. 14 No. 2 (2024)
Publisher : ADGVI & Graduate School of Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpv.v14i2.66010

Abstract

This study aims to determine the increase in learning activeness of Sebelas Maret University students in the mechanical engineering education study program through the implementation of a flipped learning model in the combustion engine lecture. This research is classroom action research. The action taken is to apply the flipped learning model in the combustion engine lecture. The subjects of this study were 42 students in the second semester of the mechanical engineering education study program. This classroom action research design refers to the Kemmis and Taggart model. The research was conducted in three cycles, each consisting of planning, implementation, observation, and reflection. Data collection was done through observation, interviews, and documentation. The instrument validity test was carried out with construct validity using expert opinions. Data analysis was carried out in a comparative-descriptive way. The results of this classroom action research show that implementing the flipped learning model can increase the learning activeness of students in the combustion engine lecture. In the pre-cycle stage, student learning activeness only reached 45.24% of active learning students. In cycle 1, by implementing a flipped learning model, students learning activeness reached 81.99%, cycle 2 increased to 87.43%, and cycle 3 increased to 91.74%.  The conclusion of this research is that the implementation of the flipped learning model can increase the learning activeness of the mechanical engineering education study program Sebelas Maret University students in the combustion engine lecture. Based on the results of this research, it is highly recommended to use the flipped learning model in lectures, especially in vocational education, increasing student learning activeness will have an impact on increasing student learning achievement.
Penerapan Teknologi Pencacah Multi Blade Pada Proses Pengolahan Limbah Ikan sebagai Upaya Pemberdayaan Nelayan Di Desa Berahan Kulon, Kecamatan Wedung Kabupaten Demak Laila Fitriana; Herman Saputro; Husin Bugis; Budi Siswanto; Ranto Ranto; Riyadi Muslim
SEMAR (Jurnal Ilmu Pengetahuan, Teknologi, dan Seni bagi Masyarakat) Vol 12, No 1 (2023): Mei
Publisher : LPPM UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/semar.v12i1.56315

Abstract

Desa Berahan Kulon Kec. Wedung Kab. Demak merupakan desa daerah pesisir pantai utara Jawa yang memiliki potensi perikanan yang cukup besar. Kegiatan usaha itu meliputi usaha perikanan air laut, air payau dan air tawar. Hasil tangkapan ikan laut setiap tahunnya tidak kurang dari 600 ton, serta budidaya ikan air tawar mencapai 97.6 ton per tahun. Potensi produksi ikan tersebut menyisakan limbah ikan dan kerang yang belum termanfaatkan dengan baik. Kegiatan yang dikeloala kelompok petani tambak dan nelayan tersebut juga memiliki masalah pada suplai dan harga pakan ikan yang selalu berubah-ubah. Akibat permasalahan tersebut usaha tambak yang dikelola melalui Kelompok Budidaya Ikan Margo mulyo mengalami kerugian. Adanya potensi dan permasalahan tersebut maka dilakukan kegiatan pengabdian masyarakat terkait kemandirian pakan ikan dengan penerapan teknologi mesin pembuat tepung ikan. Penerapan teknologi pencacah multi blade untuk memudahkan proses pengolahan limbah ikan tangkapan nelayan menjadi tepung ikan. Kegiatan kemitraan ini difokuskan bagaimana menyediakan alat produksi tepung ikan dan pelatihan produksi bagi nelayan. Kegiatan kemitraan UMKM Margo Mulyo Abadi dengan UNS ini mampu menjadi solusi akan isu yang berkembang, sekaligus mampu meningkatkan nilai ekonomis limbah ikan sehingga terdapat peningkatan pendapatan bagi para anggotanya. Kata kunci: Pemberdayaan; Teknologi Pencacah; multi-blade; limbah ikan; tepung ikan.
PENGARUH PENGGUNAAN VAPOR CARBURETOR METODE BUBBLING DAN VARIASI BAHAN BAKAR TERHADAP EMISI GAS BUANG PADA MOTOR SUPRA X Dedi Usman; Ranto Ranto; Ngatou Rohman
Nozel : Jurnal Pendididikan Teknik Mesin Vol 2, No 4 (2020)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v1i4.50857

Abstract

The objectives of this study were: (1) To investigate the effect of using the Vapor Carburetor Bubbling method on exhaust emissions produced on the Supra X 100 CC motorcycle in 2003, (2) To investigate the effect of using pertalite and pertamax fuels on exhaust emissions in the motorcycle. Supra X 100 CC motorcycles in 2003, (3) To investigate the use of the Vapor Carburetor with the Bubbling method that uses Pertamax and pertalite fuels to exhaust gas emissions on the 2003 Supra X 100 CC motorcycle. This research is a comparative quantitative research with experimental research type. This study used a 2X2 factorial research design. The sample used was the Supra X 100cc motorcycle engine in 2003 with frame number MH1KEVA153K563997 and engine number KEVAE1561218. Data obtained from exhaust emission testing using a Gas Analyzer installed on the exhaust of a 2003 Supra X 100CC motorcycle with a Conventional Carburetor and a Vapor Carburetor at idle engine speed conditions, namely 800 rpm - 1,400 rpm and variations of pertalite fuel variations (RON 90) and Pertamax (RON 92). The test time is 20 seconds after the probe on the Gas Analyzer is inserted into the exhaust. The data analysis technique used in this research is comparative quantitative descriptive. The exhaust emission test was carried out at the Surakarta Work Training Agency (BLK).The results obtained from this study are: (1) The use of the Vapor Carburetor in the Bubbling method produces lower exhaust emissions compared to the Conventional Carburetor on the Supra X 100cc motorbike in 2003. (2) The type of pertalite fuel produces less exhaust emissions in the motorcycle. appeal to Pertamax. (3) The interaction effect of using the type of carburetor and the type of fuel that produces the lowest exhaust gas emissions is the combination of the use of the Vapor Carburetor with the bubbling and pertalite methods, namely 0.43% CO and 280 ppm HC. 
STUDI PEMANFAATAN LIMBAH KULIT DURIAN (Durio Zibethinus Murr) SEBAGAI BAHAN BAKAR PADAT ALTERNATIF DENGAN TEKNOLOGI HYDROTHERMAL Trihastanto Hadi Nugraha; Nugroho Agung Pambudi; Ranto Ranto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 2, No 1 (2020)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v1i3.50848

Abstract

The purpose of the study are analyzed the potential energy of durian peels as an ingredient of solid fuel use the conversion of biomass hydrothermal technology. This study used an experimental method with hydrothermal treatment. Variations used in this method are temperature variations of 180°C, 200°C, and 220°C with variations in holding times of 30 minutes and 60 minutes. To determine the fuel content of durian peels, heating values and proximate analysis were carried out to determine water content, ash content, volatile content, and carbon content. The test result showed that durian peels waste is suitable to be used as an alternative fuel that is suitable for lignite coal fuel. In testing, the highest calorific value is 4515.52 kal / gram which was equivalent to the calorific value of lignite coal (3500 - 4611 cal / gram) according to the American Standard Testing and Mineral (ASTM).
Studi Perbandingan Bahan Bakar Minyak Dengan Bahan Bakar Gas LPG (Liquified Petroleum Gas) Terhadap Konsumsi Bahan Bakar Sepeda Motor 4 Tak 125 CC Windia Pebrianto; Husin Bugis; Ranto Ranto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 3, No 4 (2021)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v3i4.63124

Abstract

Liquified Petroleum Gas is a gaseous hydrocarbon produced from gas and oil with the main components being propane and butane. The use of LPG gas fuel was chosen because it is able to reduce the amount of fuel consumption by up to 30% more efficient than fuel oil in general. The use of LPG fuel can be optimized by modifying the size of the pilot jet, the size of the main jet and the gas flow valve opening on the regulator. The purpose of this study was to investigate how big the ratio of fuel consumption between LPG fuel and pertalite fuel is. This study used Honda Supra 125 D as a sample. The variables used in this study include: variations in the size of the pilot jet (40, 42, 45), variations in the size of the main jet (72, 98, 120) and the gas flow valve opening on the regulator (10%, 15%, 20%). The results showed that the lowest LPG fuel consumption value was obtained at 156.5 grams per 10 kilometers, while the pertalite fuel consumption value was obtained at 232.9 grams (after converting from liters to grams). The most influential factor is the replacement of the main jet size on the use of LPG fuel.
STUDI EKSPERIMENTAL UAP KARBURATOR MENGGUNAKAN METODE KOMBINASI BUBBLING DAN METODE SPLASH DENGAN VARIASI BAHAN BAKAR PADA EMISI GAS BAKAR SEPEDA MOTOR SUPRA X Dimas Adi Irawan; Ranto Ranto; Ngatou Rohman
Nozel : Jurnal Pendididikan Teknik Mesin Vol 2, No 4 (2020)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v1i4.50852

Abstract

The use of a steam carburetor is one way to reduce exhaust gas emissions where it works by mixing fuel and air in the room with an evaporation process so that the air and fuel mixture is more homogeneous. This study aims to see (1) the effect of using a steam carburetor on exhaust gases on a Supra X motorcycle; (2) the effect of using variations in exhaust gas emissions on the Supra X motorcycle; (3) the effect of using steam carburetors and fuel variations on the exhaust emissions of the Supra X motorbike. This research is a research, quantitative, descriptive, comparative, with experimental methods. The research used the 2x2 method which consists of independent variables using steam and conventional carburetors as well as variations of pertalite (RON 90) and pertamax (RON92) fuel. Exhaust gas emission testing is guided by the Indonesian National Standard (SNI) with three repetitions, for 20 seconds times the test The results of the study are as follows: First, the use of a steam carburetor produces lower exhaust emissions compared to conventional carburetors on a 100cc Supra X motorcycle. Second, pertalite fuel (RON 90) produces lower exhaust emissions compared to Pertamax fuel (RON 92). Third, the effect of using the type of carburetor and the type of fuel that produces the lowest exhaust emission, namely the steam carburetor using the combined splash and bubbling method with pertalite fuel with an average of 0.52% CO and 273.67ppm HC. 
EVALUASI PELAKSANAAN PEMBELAJARAN PEMELIHARAAN MESIN SEPEDA MOTOR KELAS XI DENGAN MODEL CIPP (CONTEXT, INPUT, PROCESS, PRODUCT) DI SMK NEGERI NGARGOYOSO Nina Intan Saputri; Ranto Ranto; Suharno Suharno
Nozel : Jurnal Pendididikan Teknik Mesin Vol 2, No 2 (2020)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v2i1.43236

Abstract

The purpose of this research is to evaluate the implementation of motorcycle engine maintenance learning at Ngargoyoso Vocational High School. The evaluation in this study uses the CIPP model (context, input, process, product). The location of this research is in Ngargoyoso Vocational High School on learning to maintain class XI motorcycle engines with research subjects as teachers of maintenance for motorbike engines in class XI, students of class XI, and facilities. The technique of collecting data used a questionnaire that was distributed to class XI TSM A, XI TSM B, and XI TSM C and the teacher of motorcycle engine maintenance. Interview with one of the teachers, and document the final value of maintaining a XI class motorcycle engine. The validity used in this study is content validity where validation is carried out by experts. The trial of the research instrument was conducted in class XI of TSM D Ngargoyoso State Vocational School by testing the validity of using SPSS. Analysis of scores using the average to be assessed based on the assessment criteria. The results of the study show: (1) evaluation of the context (context) which includes the background of the program has been classified as good; (2) evaluation of input (input) is classified as good, input aspects include: human resources, curriculum, learning resources, and infrastructure; (3) evaluation of the process (process) which includes the process of implementing learning in classrooms and workshops is classified as good, but the aspects of the learning media used are quite sufficient so that they need to be improved. (4) Evaluation of product (product), which is the final grade of students classified as good.
Pengaruh Penggunaan Variasi Jenis Busi Dan Variasi Bahan Bakar Terhadap Emisi Gas Buang HC, CO, CO2 Dan O2 Pada Sepeda Motor Honda Beat FI Tahun 2016 Deno Maharbudi; Husin Bugis; Ranto Ranto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 3, No 1 (2021)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v3i1.63317

Abstract

The purpose of this research are (1) Knowing and obtaining the results of the investigation of the effect of variations in spark plug types on exhaust emissions of HC, CO, CO2 and O2 on Beat FI 2016 motorbikes (2) Knowing and obtaining the results of investigating the effect of variations in fuel on exhaust emissions HC, CO, CO2 and O2 on Beat FI 2016 motorbikes (3) Knowing and obtaining the results of the investigation of the effect of spark plug types and fuel variations on exhaust emissions of HC, CO, CO2 and O2 on Beat FI 2016 motorbikesThis research uses descriptive quantitative research with experimental research methods. Measurement of exhaust emissions in accordance with SNI 09-7118.3-2005. The population in this study was a Honda Beat FI motorcycle. The sample in this study was a Honda Beat FI motorbike in 2016. The data collection technique was using purposive sampling. The research was conducted at Dishubkominfo Surakarta city using the gaz analyzer technotest.Results of this research is (1) The use of a combination of pertalite fuels and iridium plugs generates the lowest HC rate of 118.67 ppm or a decrease of 32.58% (2) The use of pertalite fuel with platinum plugs decreases by producing the lowest CO rate of 0.487% or decrease 3.31% (3) pertamax fuel with standard plugs resulted in the lowest CO2 exhaust emission of 10.5% with a difference of 2.27 or decrease 17.75% (4) use of pertalite fuel with standard plugs capable of producing O2 exhaust gas emissions of 1.057% or the lowest.
PENGARUH VARIASI UKURAN DIAMETER LUBANG MAGIC RING PADA EXHAUST MANIFOLD TERHADAP TORSI DAN DAYA SEPEDA MOTOR YAMAHA VEGA RR Muhammad Mirwan Yazid; Ranto Ranto; Husin Bugis
Nozel : Jurnal Pendididikan Teknik Mesin Vol 2, No 3 (2020)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v2i2.43247

Abstract

Vehicle performance will decrease with increasing age of use, it can be seen from the weakening initial torque and the power of the vehicle when driving unlike the initial production. Magic ring a tool produced by CV. SUMI INOTECH which utilizes the overlapping process of valves. The magic ring mounted on the header exhaust manifold serves to restore exhaust gas that is wasted from the overlapping process to return to the combustion chamber so as to produce more power to push the piston and the performance of the vehicle will increase. This study used an experimental method with the research object of Yamaha Vega RR in 2014. The magic ring used was the 16 mm magic ring serial number (ASJS032125) and the same magic ring but the inner diameter was enlarged to 18 mm. Using descriptive quantitative data analysis, it was found that the use of the magic ring added torque from the standard condition of 7.42% in the use of the 16 mm magic ring and increased by 7.12% in the use of the 18 mm magic ring. The power of the vehicle increased only 0.24% when using the magic ring 16 mm, and the use of the magic ring 18 mm power remained the same as the standard condition.
Co-Authors Abdul ‘Aziz Manggala Saputra Antika Wulandari Bagas Khotip Abduh Arohman Basori Basori Basori Basori Basori Basori Budi Harjanto Budi Siswanto Dedi Usman Deno Maharbudi Dimas Adi Irawan Dinadha Aries Wahyudi Ertonson Timothy Loblobly Fitriana, Laila Herman Saputro Herman Saputro Husin Bugis Husin Bugis Husin Bugis Ichsan Rusdianto Irfanda Adi Muchamad Yusuf Adi Rahmawan Muhammad Akhyar Muhammad Mirwan Yazid Ngatou Rohman Nina Intan Saputri Nugroho Agung Pambudi Reza Aji Arafadh Riina Syvarulli Riyadi Muslim Sabiq Farhan Setyo Sri Haryono Suharno Suharno Suharno Suharno Trihastanto Hadi Nugraha Windia Pebrianto Wita Hidayati