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All Journal Engineering Science Letter Journal of Novel Engineering Science and Technology International Journal of Learning Reformation in Elementary Education Bincang Sains dan Teknologi Journal of Pedagogy and Education Science Buletin Edukasi Indonesia EDUMALSYS Journal of Research in Education Management Asian Journal of Science, Technology, Engineering, and Art ALSYSTECH Journal of Education Technology International Journal of Education, Management, and Technology
Ibanga, Isaac John
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Religion Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Transportation Other

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Journal : Engineering Science Letter

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Power Distribution Transformer Faults Diagnostic Skills: Case study at Electrical Engineering Technology Students of Polytechnics in North-East Nigeria Medugu, Jimritu Dunama; Zambwa, Joseph; Bashir, Mohammed; Ibanga, Isaac John
Engineering Science Letter Vol. 2 No. 03 (2023): Engineering Science Letter
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/esl.v2i03.429

Abstract

This study determined the power distribution transformer faults diagnostic skills needed by Electrical Engineering Technology students of polytechnics in North-East Nigeria. Three research questions and hypotheses guided the study, employing a descriptive survey research design. The study population was 144, comprising 135 Electrical Engineering Technology Lecturers, 3 Power Transformer Maintenance Technicians and 6 Electric Power Distribution Company-Based Supervisors. The entire population was used. Hence, there was no sampling. The instrument used for data collection was a structured questionnaire titled Power Distribution Transformer Faults Diagnostic Skills Questionnaire (PDTFDSQ) developed by the researchers. Three experts validated the instrument, and a reliability of 0.74 was obtained using the Cronbach Alpha reliability method. The mean statistic was used to answer the research questions, while ANOVA was used to test the null hypotheses of the study at a 0.05 level of significance. The study’s findings revealed that the Electrical Engineering Technology students of polytechnics in North-East Nigeria required fault diagnosis (troubleshooting) skills, ICT skills and safety skills. The study recommended that the Department of Electrical Engineering Technology in all polytechnics should endeavour to expose students to faulting-finding activities so that students of Electrical Engineering will acquire fault diagnosis (troubleshooting) skills for maintaining power distribution transformers.
Analysis of Driving and Inhibiting Factors in Used Cooking Oil Management Based on Social and Environmental Responsibility in Catering Businesses Budijati, Siti Mahsanah; Hijrah Tanjung, Muhammad; Ibanga, Isaac John
Engineering Science Letter Vol. 4 No. 02 (2025): Engineering Science Letter
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/IISTR.esl.00916

Abstract

The improper disposal of used cooking oil (UCO) poses significant environmental and health risks, particularly when not managed responsibly by food-related businesses. This study aims to identify and analyze the most influential driving and inhibiting factors affecting UCO management in catering businesses, with a particular focus on social and environmental responsibility. The research adopts the Analytic Hierarchy Process (AHP) to systematically assess the priority levels of multiple criteria across 15 catering companies. AHP was chosen due to its strength in structuring complex decision-making problems through pairwise comparisons and eigenvalue analysis. Data were collected using both quantitative questionnaires and qualitative open-ended responses, allowing for a comprehensive understanding of stakeholder perspectives. The results show that among the driving factors, the most dominant is internal policy or management commitment, followed by factors such as enhancing company reputation and increasing profit. Conversely, the top inhibiting factor is the lack of knowledge related to proper oil waste handling, with other significant barriers including high processing costs and insufficient infrastructure. These findings emphasize that managerial awareness, education, and access to resources are crucial for advancing sustainable practices. The study suggests that enhancing knowledge and reinforcing managerial commitment are key strategies to improve oil waste management practices in the catering industry.
Co-Authors Bashir, Mohammed Emmanuel, Egunsola Abraham Olawuyi Ferdinand, Felix Fwah, Karnilius Gideon G, Usman A. Garba, Zakariyau Hijrah Tanjung, Muhammad J, Tika T. Kumazhege, Stephen Z. Medugu, Jimritu Dunama O, Egunsola A. Onwuka, Immaculater Akudo Philip, Sunday Sani, Emmanuel Sunday, Philip Umar, Hadiza Umoru, Mohammed Lawal Yusuf, Mohammed Adamu Zambwa, Joseph