JPTV-Jurnal Pendidikan Teknik dan Vokasional
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PERBANDINGAN UNJUK KERJA EMPAT JENIS BUSI DENGAN MENGGUNAKAN CDI UNLIMITER PADA SEPEDA MOTOR BENSIN EMPAT LANGKAH
Get PDFThis study aims to determine how much influence the modification of the ignition on a four stroke motorbike on vehicle performance, specifically power, torque and specific fuel consumption produced by a special 125 x supra motorcycle on the replacement of spark plug components. Can know the maximum power and torque and the best value of fuel consumption produced by the motorcycle. The method used is an experimental method. Four different types of spark plugs are standard spark plugs, copper spark plugs, platinum spark plugs and iridium spark plugs. Each fuel is tested alternately via a motorcycle connected to the chassis dynamometer with eddy current brake. The testing process is by turning the gas handle from 3000 RPM engine speed to 8000 RPM engine speed. This is done to get power, torque and fuel consumption data from the motorcycle. The result of the experiment is that iridium spark plugs are the best at the highest engine power and torque. Based on testing on the iridium spark plug type dynamometer produces the highest peak power, which is 4.2 kW at 7000 RPM engine rotation speed. Then based on the ratio of torque on the type of copper and platinum spark plugs increased to 6.6 NM at 6000 RPM engine speed. Bigger than the standard 6.5 NM spark plugs at 6000 RPM engine speed and the best results at the iridium spark plugs at 6.7 NM at 6000 RPM engine speed. As for the specific fuel consumption, the best value for iridium spark plugs is at 6000 RPM engine speed which is 0.311 kg / kW
PENGARUH MEDIA PLANETARY POP-UP TERHADAP PERKEMBANGAN KOGNITIF SISWA SMPN 14 BOGOR
Get PDFThis research aims to explore the boundaries opened by using Planetary Pop-Up media and reveal the extent to which this media can enrich students' cognitive abilities. The focus is to deepen understanding of the solar system and the invaluable sun. The method used is Research and Development (R&D) with the ADDIE development approach which includes the stages of analysis, design, development, implementation, and evaluation. The population of this study included all grade 7 students at SMPN 14 Bogor, and the sample was selected randomly using the Simple Random Sampling (SRS) method to ensure fairness in selection. Data collection was carried out through media trials, interviews, pre-test, and post-test. Data analysis used the T-test technique, focusing on paired t-tests to reveal differences before and after using Planetary Pop-Up media. The results of the analysis show that the use of this media does not provide a significant difference in the average pre-test and post-test scores. It is hoped that these findings can significantly contribute to the development of effective learning media, especially in improving students' cognitive abilities. Apart from that, it is hoped that this research can also be a reference for other researchers interested in conducting similar research using a Piagetian theory-based approach. This discovery is a step towards miracles in the world of education, and it is hoped that it will inspire other daredevils to undertake similar adventures. In all the uniqueness and light found, the hope is that these findings will become a guide that guides knowledge seekers to the right path, creating untold miracles in the world of education
ANALISIS KARAKTERISITIK KOMPOSIT SERBUK KAYU, SERABUT KELAPA DAN CANGKANG KERANG PADA REM TROMOL SEPEDA MOTOR LISTRIK
Get PDFThe background of this study was taken to utilize the residual waste produced by wood powder, coconut fiber and green shells. The purpose of this study is to find the best composite variation on electric motorbike brake pads made from wood powder, coconut fiber and green shells powder on bending test, the mass reduction test and braking time. The Experimentation Method used in this reserach was carried out by varying the compositon of the 3 brake pads test specimens namely SK20SKL20CK0R60, SK20SKL20CK10R50 and SK20SKL20CK20R40 then performed bending test, the mass reduction and braking time. Based on the bending test results obtained, the SK20SKL20CK0R60 test specimen has the strongest rate amounted to 186,33 N. then for the mass reduction and braking time value in this study, the test was carried out by taking the test from 3 test laps (track) and carried out 9 times the test (braking) on each lap. Based on the mass reduction test and braking time, the SK20SKL20CK0R60 specimen has the closest indication to standard brake lining value of 0.0066 grams
UPAYA PENINGKATAN HASIL BELAJAR PRAKTIK PEMBUBUTAN DENGAN METODE PEMBELAJARAN LANGSUNG DAN BIMBINGAN INDIVIDUAL PADA SISWA SMK DINAMIKA PEMBANGUNAN 1
Get PDFPembelajaran terdiferensiasi berfokus pada kebutuhan dan perbedaan individual siswa dalam pembelajaran. Pembubutan menjadi salah satu kompetensi yang banyak dibutuhkan. Sehingga sekolah perlu menyiapkan siswa yang andal dalam melakukan pembubutan. Sayangnya, keaktifan siswa dalam mengikuti pembelajaran masih kurang terlihat, sehingga hasil belajarnya menjadi kurang maksimal. Penelitian ini bertujuan untuk meningkatkan hasil belajar praktik pembubutan pada siswa kelas XI Program Studi Teknik Permesinan di SMK Dinamika Pembangunan 1. Penelitian ini dilakukan dengan metode kualitatif dengan jenis penelitian tindakan kelas. Penelitian dilakukan pada bulan Mei-Juni 2023 di SMK Dinamika Pembangunan 1, Jakarta Timur. Pembelajaran dilakukan dalam dua siklus, mulai dari perencanaan hingga refleksi. Hasil penelitian menunjukkan bahwa hampir semua siswa terlibat aktif dalam pembelajaran di kelas (93,3%) dan mampu mempraktikkan pembubutan dengan tepat (90%). Guru perlu melakukan koreksi diri dan mencari masukan dari teman sejawat dalam memperbaiki proses pembelajaran.Differentiated learning focuses on the needs and individual differences of students in learning. Turning is one of the competencies that is much needed. So, schools need to prepare students who are good at turning. Unfortunately, students' active participation in learning is still lacking, so their learning outcomes are less than optimal. This study aims to improve the learning outcomes of turning practices in grade XI students of the Mechanical Engineering Study Program at SMK Dinamika Pembangunan 1. This research was conducted using a qualitative method, classroom action research. The research was conducted in May-June 2023 at SMK Dinamika Pembangunan 1, East Jakarta. Learning was carried out in two cycles, starting from planning to reflection. The study results showed that almost all students were actively involved in learning in class (93.3%) and could practice turning correctly (90%). Teachers must make self-corrections and seek colleagues' input to improve the learning process
HUBUNGAN KECERDASAN EMOSIONAL TERHADAP KESIAPAN KERJA SISWA KELAS XII TEKNIK PEMESINAN SMK NEGERI 4 JAKARTA
Get PDFKurangnya Sekolah Menengah Kejuruan (SMK) menjadi jenjang pendidikan menengah yang strategis, berfokus pada membantu siswa mengembangkan kesiapan kerja guna bersaing dalam dunia pekerjaan. Kesiapan kerja tidak hanya ditentukan oleh kompetensi teknis, tetapi juga oleh kecerdasan emosional individu. Penelitian ini difokuskan pada siswa kelas XII jurusan teknik pemesinan di SMKN 4 Jakarta, dengan tujuan menginvestigasi hubungan antara kecerdasan emosional dan kesiapan kerja mereka. Metode pengumpulan data menggunakan kuisioner yang telah diuji validitas dan reliabilitas. Teknik analisis data dalam penelitian ini adalah uji normalitas, uji homogenitas dan uji korelasional dengan metode Pearson Product Moment untuk menganalisis hubungan antara variabel kecerdasan emosional sebagai variabel independen dan kesiapan kerja sebagai variabel dependen. Berdasarkan hasil pengujian, ditemukan bahwa terdapat hubungan positif dan signifikan dari kecerdasan emosional terhadap kesiapan kerja siswa. Hal ini dapat disimpulkan dari nilai Pearson Correlation = 0,806 atau 80,6% dengan tingkat signifikansi sebesar 0,001 < 0,05. Temuan ini menunjukkan bahwa variabel kecerdasan emosional memiliki hubungan yang nyata terhadap kesiapan kerja siswa kelas XII jurusan teknik pemesinan di SMKN 4 Jakarta.Kurangnya Sekolah Menengah Kejuruan (SMK) menjadi jenjang pendidikan menengah yang strategis, berfokus pada membantu siswa mengembangkan kesiapan kerja guna bersaing dalam dunia pekerjaan. Kesiapan kerja tidak hanya ditentukan oleh kompetensi teknis, tetapi juga oleh kecerdasan emosional individu. Penelitian ini difokuskan pada siswa kelas XII jurusan teknik pemesinan di SMKN 4 Jakarta, dengan tujuan menginvestigasi hubungan antara kecerdasan emosional dan kesiapan kerja mereka. Metode pengumpulan data menggunakan kuisioner yang telah diuji validitas dan reliabilitas. Teknik analisis data dalam penelitian ini adalah uji normalitas, uji homogenitas dan uji korelasional dengan metode Pearson Product Moment untuk menganalisis hubungan antara variabel kecerdasan emosional sebagai variabel independen dan kesiapan kerja sebagai variabel dependen. Berdasarkan hasil pengujian, ditemukan bahwa terdapat hubungan positif dan signifikan dari kecerdasan emosional terhadap kesiapan kerja siswa. Hal ini dapat disimpulkan dari nilai Pearson Correlation = 0,806 atau 80,6% dengan tingkat signifikansi sebesar 0,001 < 0,05. Temuan ini menunjukkan bahwa variabel kecerdasan emosional memiliki hubungan yang nyata terhadap kesiapan kerja siswa kelas XII jurusan teknik pemesinan di SMKN 4 Jakarta
EFEKTIVITAS BLENDED LEARNING TERHADAP HASIL BELAJAR SISWA SEKOLAH MENENGAH KEJURUAN DI INDONESIA : META ANALISIS STUDI
Get PDFTujuan dari penelitian ini adalah untuk mengetahui keefektifan blended learning terhadap hasil belajar siswa sekolah menengah kejuruan di Indonesia. Penelitian ini menggunakan meta analisis studi dengan mengkaji artikel penelitian yang relevan. Pengumpulan data diperoleh dari jurnal online di Google Scholar dengan rentang waktu 10 tahun terakhir sebanyak 20 jurnal. Teknik analisis data yang digunakan dalam penelitian ini yaitu diskriptif kualitatif. Sampel pada penelitian menggunakan teknik purposive sampling. Hasil yang diperoleh yaitu 1) Tujuan penelitian yang paling banyak adalah mengetahui sebesar 40%, 2) Desain penelitian yang paling banyak digunakan adalah eksperimen sebesar 55%, 3) Teknik pengumpulan data yang paling banyak digunakan adalah tes sebesar 37,8%, 4) Analisis data yang paling banyak digunakan adalah n-gain sebesar 15,4%, 5) Efektivitas blended learning yang paling banyak digunakan adalah hasil belajar dengan persentase sebesar 55% , 6) Tahun terbit yang paling banyak digunakan adalah pada tahun 2021 sebesar 30%
PENGEMBANGAN APLIKASI SOFTWARE MULTIMEDIA DALAM PEMBELAJARAN BAHASA INGGRIS TEKNIK PADA PRODI PENDIDIKAN TEKNIK BANGUNAN
Get PDFThis research was developed using a research and development (R&D) model that refers to the Lee & Owens Instructional design model so that it can develop learning media in Engineering English courses in the form of Android-based multimedia software applications, thus facilitating access and student learning activities in the class as well as outside of the class. Lee and Owens' model consists of five stages, namely assessment/analysis, design, development, implementation, and evaluation. The data analysis technique in this study used a questionnaire to collect data from needs analysis, linguist validation, and product evaluation. The results of the media development research are 13 meetings of Android-based multimedia software application products that have been validated by linguists who obtained 85.75% results and fall into the very feasible category. The conclusion that can be drawn is that the Android-based multimedia software application is grammatically feasible, but it should be validated by a material expert before the developed media can be used in Technical English for Engineering courses
PLATFORM UJIAN PILIHAN MAHASISWA SELAMA PEMBELAJARAN JARAK JAUH
Get PDFAs an effort to break the chain of spreading Covid-19, the campus is implementing Distance Learning activities. There are many things that educators must prepare in carrying out distance learning activities, one of which is a platform for conducting exams. This study aims to analyze the exam platforms that are chosen by undergraduate students during Distance Learning activities. This research is quantitative descriptive. This study involved 119 students who were randomly selected. The research data was collected using Google Form. The data that has been collected were analyzed using descriptive analysis. The results showed that students chose Quizizz as a fun exam platform during Distance Learning activities. The reason is that students consider Quizizz to have an attractive design, easy to access, fun and challenging, and provide information about the results obtained and feedback. Thus, Quizizz can be an alternative choice for lecturers in giving exams to students, especially in Distance Learning activities
PENGARUH KUALITAS PRODUK TERHADAP KEPUTUSAN PEMBELIAN BAJU BEKAS IMPORT (THRIFTING) DI JAKARTA
Get PDFPenelitian ini bertujuan untuk memperoleh pengaruh kualitas produk thrift terhadap Keputusan pembelian produk thrift. Metode penelitian yang digunakan adalah metode survey dengan pendekatan kuantitatif. Sample penelitian ini berjumlah 90 responden yang berdomisili di Jakarta. Pengumpuan data yang dilakukan dengan menggunakan kuesioner. Metode analisis menggunakan uji Chi-Square. Indikator kualitas produk yang digunakan: kinerja (performance), keandalan reliability), ketahanan atau daya tahan (durability) dan kemudahan perawatan (serviceability), serta indicator Keputusan pembelian yang digunakan : Pemilihan produk (product choice), pemilihan merek (brand choice), pemilihan saluran pembalian (dealer choice), penentuan waktu pembayaran (purchase timing) dan jumlah pembalian. Hasil penelitian ini menunjukan bahwa variable kualitas produk memperoleh kategori baik, Adapun indikator yang paling berpengaruh tinggi dalam kualitas produk adalah indicator kinerja, keandalan dan ketahanan atau daya tahan. Variabel keputusan pembelian memperoleh kategori tinggi Adapun indicator yang paling berpengaruh tinggi dalam meningkatnya keputusan pembelian adalah indikator pemilihan merek, pemilihan saluran pembelian dan jumlah pembelian. Hasil analisis data menunjukan terdapat pengaruh antara kualitas produk terhadap keputusan pembelian baju bekas import.Penelitian ini bertujuan untuk memperoleh pengaruh kualitas produk thrift terhadap Keputusan pembelian produk thrift. Metode penelitian yang digunakan adalah metode survey dengan pendekatan kuantitatif. Sample penelitian ini berjumlah 90 responden yang berdomisili di Jakarta. Pengumpuan data yang dilakukan dengan menggunakan kuesioner. Metode analisis menggunakan uji Chi-Square. Indikator kualitas produk yang digunakan: kinerja (performance), keandalan reliability), ketahanan atau daya tahan (durability) dan kemudahan perawatan (serviceability), serta indicator Keputusan pembelian yang digunakan : Pemilihan produk (product choice), pemilihan merek (brand choice), pemilihan saluran pembalian (dealer choice), penentuan waktu pembayaran (purchase timing) dan jumlah pembalian. Hasil penelitian ini menunjukan bahwa variable kualitas produk memperoleh kategori baik, Adapun indikator yang paling berpengaruh tinggi dalam kualitas produk adalah indicator kinerja, keandalan dan ketahanan atau daya tahan. Variabel keputusan pembelian memperoleh kategori tinggi Adapun indicator yang paling berpengaruh tinggi dalam meningkatnya keputusan pembelian adalah indikator pemilihan merek, pemilihan saluran pembelian dan jumlah pembelian. Hasil analisis data menunjukan terdapat pengaruh antara kualitas produk terhadap keputusan pembelian baju bekas import
STRATEGI SEKOLAH MENENGAH KEJURUAN SWASTA BINA INFORMATIKA TANGERANG SELATAN MENANGANI KRISIS AGAR BERTAHAN SELAMA PANDEMI COVID-19
Get PDFTo avoid the transmission of covid-19 through physical or face-to-face meetings, the government had implemented policies ranging from Large-Scale Social Restrictions (PSBB) to the Implementation of Community Activity Restrictions (PPKM) Level 1 to Level 4. Private Vocational High Schools (SMKS) Bina Informatika South Tangerang, including private educational institutions affected by the implementation of PSBB and PPKM. Most educational activities are implemented online through the Zoom Meeting application or Google Meet. The new student acceptance rate (PPDB) decreased by 10% during the two years of the covid-19 pandemic because many parents lost their income and chose to send their children to public schools so that costs were cheaper. In addition, almost half of the students from several classes were delayed in paying their monthly school fees because their parents' income was decreasing. Not to mention that online learning is considered less effective due to several obstacles. Through this research, the author wants to know the strategy of SMKS Bina Informatika in dealing with the crisis to survive during the covid-19 pandemic. This study uses a qualitative method with a descriptive approach and SWOT analysis through library support to strengthen the results of the study. While the data collection techniques are through interviews, observation, documentation and triangulation or a combination. Based on the results of the study, when covid-19 cases increased at the beginning of the April 2020 pandemic, SMKS Bina Informatika implemented full online learning. Meanwhile, when the covid-19 pandemic slowed from August 2021 to March 2022, Bina Informatics implemented hybrid or 50% face-to-face learning. 100% face-to-face learning since April 2022 when the South Tangerang area was declared covid-19 free. To facilitate access to subject matter, student and teacher attendance, and assessment, the BI-SMART application is used which can be accessed via mobile phones and computers. For students whose parents are financially constrained, SMKS Bina Informatika provides a flexible payment deadline, and all students receive a 50% discount. For new students there is dispensation for tuition fees or school buildings can be repaid three to four times