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All Journal Edu Elektrika Journal Journal of Management and Business Environment (JMBE)
adityawarman, Abram
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Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Social Sciences Other

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TRAINER PENDINGIN RUANGAN MENGGUNAKAN AC SPLIT R32 RAMAH LINGKUNGAN SEBAGAI MEDIA PEMBELAJARAN MATA KULIAH TEKNIK REFRIGRASI DAN TATA UDARA DI UNIVERSITAS NEGERI SEMARANG adityawarman, Abram
Edu Elektrika Journal Vol 7 No 2 (2018): Edu Elektrika Journal
Publisher : Electrical Engineering, Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/eej.v7i2.29139

Abstract

Berdasarkan pengamatan di laboratorium Jurusan Teknik Elektro Universitas Negeri Semarang terdapat 3 unit trainer pendingin sebagai penunjang media pembelajaran mahasiswa sejumlah 40 orang, pada mata kuliah refrigerasi dan tata udara. Hal ini kurang cukup untuk memenuhi kebutuhan media pembelajaran tersebut, oleh karena itu perlu adanya pengembangan unit media pembelajaran berupa trainerpendingin sebagai salah satu penunjang pada mata kuliah refrigerasi dan tata udara. Penelitian ini menggunakan metode Research and Development (R&D) dengan produk yang dibuat berupa trainer AC Split sebagai media pembelajaran. Tahap pengujian meliputi uji validasi kelayaan trainer yang ditujukan ke 22 responden. Hasil penelitian uji alat dan uji validasi kelayakan trainer. Pertama Standar trainer AC Split R32 Ramah Lingkungan sebagai media pembelajaran mata kuliah Refrigerasi dan Tata Udara, maksimal pada evaporator 18oC kompresor dapat bekerja normal, di bawah suhu 18oC kompresor mengalamioverload. Kedua hasil angket yang telah diberikan oleh 22 responden secara umum menyatakan sangat layak. Trainer AC Split R32 Ramah Lingkungan sebagai Media Pembelajaran Mata Kuliah Refrigerasi dan Tata Udara. Peneliti memberikan saran untuk peneliti selanjutnya yaitu: (1)Trainer AC Split R32tidak boleh bekerja melebihi suhu pada evaporator 18oC, karena pada suhu evaporator 16oC kompresor mengalami overload.(2)Trainer AC Split 32 masih menggunakan sistem kerja analog untuk penlitian selanjutnya diharapkan dengan trainer AC Split sistem digital.
Difference Influence of Price, Facilities, Location, Promotion and Income on Decision to Purchase Subsidized House in Green Leyangan 2 and Jepara Indah Regency Residences Adityawarman, Abram; Wahyuningdyah, Retno Yustini
Journal of Management and Business Environment (JMBE) Vol 7, No 1: July 2025
Publisher : Soegijapranata Catholic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24167/jmbe.v7i1.11664

Abstract

Home or residence is one of the main elements for human to be able to survive. The purpose of this study was to identify the effect of price, facilities, locations, promotions, and income on the decision to purchase subsidized house in Green Leyangan 2 and Jepara Indah Regency residences and the difference of the influence between the two housings. This study used primary and secondary data with quantitative approach. The sample was withdrawn from the total subsidized homeowners in both housings amounted 164 using the rule of thumb of minimum 5 respondents for each variable. The total of 25 respondents were thus obtained from respectively those in Green Leyangan 2 and those in Jepara Indah Regency or totally 50 respondents. The questionnaire was distributed once the permission from the developer had been obtained. Price, facilities, locations, promotions, and income were proved to affect the decision to purchase subsidized house in both residences. There is a significant difference in the factors affecting the decision to purchase subsidized houses in Green Leyangan 2 and Jepara Indah Residences.
Co-Authors Wahyuningdyah, Retno Yustini