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All Journal Juni-Jurnal Pelita Nusa Sainteknol : Jurnal Sains dan Teknologi
Nursafitri, Gita
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Religion Economics, Econometrics & Finance Education Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Pengaruh Kualitas Pelayanan Terhadap Kepuasan Konsumen Pada Perusahaan Jasa CV. Jaya Trans Nursafitri, Gita; Ma'mun, Saepul; Sutira, Andri
Jurnal Pelita Nusa Vol 3 No 2 (2023): Desember-Jurnal Pelita Nusa
Publisher : Pelita Nusa Jurnal, published by the Institute for Research and Community Service (LP2M) of the Pelita Nusa Islamic Religious College West Bandung (STAI PENUS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61612/jpn.v3i2.71

Abstract

Consumer satisfaction is a customer's assessment of the use of goods or services compared to previous expectations. Factors that influence consumer satisfaction include service quality. This research aims to determine the level of service quality on consumer satisfaction. The research method uses quantitative descriptive, through a questionnaire distribution approach. The data collection technique uses purposive sampling with a population of 150 respondents and a sample of 60 respondents. Research shows that the results of the final condition of the service quality variable (X) are 60.72%, indicating that the level of service quality is included in the strong category. The results of the final condition of the consumer satisfaction variable (Y) are 59.95%, indicating that total consumer satisfaction is included in the strong category. The regression value of the service quality variable (X) on consumer satisfaction (Y) is Y = 10.045 + 0.822X. The results of calculating the correlation coefficient between variable X and variable Y show that the level of service quality is related to consumer satisfaction with a value of r = 0.696. The R Square value is 0.485, which means that the percentage contribution of the influence of variable X to Y is 48.5%. The results of the hypothesis test calculation show that tcount > ttable or 7.384 > 2.001 and the sig value. 0.000 < 0.05, then Ha is accepted and Ho is rejected, which means there is a positive and significant influence between the service quality variable (X) on the consumer satisfaction variable (Y) at CV. Jaya Trans. Keywords: Service Quality, Customer Satisfaction, Logistics Services.
Mini Review: Analysis of The Influence of Work Environment on SMAW (Shielded Metal Arc Welding) Results Nursafitri, Gita; Indriawan, Ari Dwi Nur
Sainteknol : Jurnal Sains dan Teknologi Vol. 23 No. 1 (2025): June 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sainteknol.v23i1.25328

Abstract

This study aimed to systematically investigate the influence of key environmental factors on the quality of Shielded Metal Arc Welding (SMAW) outcomes. The welding process, although widely applied across various industrial sectors, remains highly sensitive to variations in its surrounding environment. Through a systematic review of previous research, academic articles, and industrial reports, this study identified temperature, air pollution, and ventilation as the most critical environmental variables. Temperature fluctuations were found to cause weld defects such as porosity and cracking. Optimal welding performance was observed within an ambient temperature range of 10°C to 30°C, with several studies suggesting narrower optimal ranges of 15°C to 28°C or 16°C to 27°C. Temperatures below 10°C accelerated weld cooling, increasing the risk of cold cracks, while those above 30°C degraded electrode coatings, leading to porosity. Moreover, airborne contaminants—including Fe₂O₃, MnO, and CO concentrations exceeding 5 mg/m³—were shown to reduce tensile strength by 15% to 20%. Adequate ventilation, particularly using mechanical systems like local exhaust ventilation (LEV), was more effective than natural ventilation in enclosed welding environments. Integrating air filtration with precise temperature control could reduce weld defects by up to 50%. The study provides practical recommendations for improving weld quality and promoting industrial safety.
Co-Authors Indriawan, Ari Dwi Nur Ma'mun, Saepul Sutira, Andri