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All Journal Infotekmesin Journal of English Language Proficiency
Prabowo, Aldi
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Computer Science & IT Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Mechanical Engineering

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Pengaruh Besar Butir dan Temperatur Pemanasan Pasir Cetak Terhadap Sifat Mekanis Cetakan Delfian Prihadianto, Braam; Krisnaputra, Radhian; Darmo, Suryo; Prabowo, Aldi
Infotekmesin Vol 12 No 1 (2021): Infotekmesin: Januari 2021
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v12i1.471

Abstract

Casting is a manufacturing process that uses molten metal and molds to obtain a product that is closer to its final geometry. The quality of casting products is influenced by several factors and one of the important factors is the mold. The sand that is often used in making molds is resin coated sand, since this sand will bond to one another if it is heated. The research focus is determine the effects of grain size and heating temperature of resin coated sand on the mechanical properties of the mold which include compressive, shear and tensile strength. This study used an experimental method with large parameters of resin coated sand and heating temperature. From the test results, the highest compressive, shear and tensile strength values are Produced by sand with grain size less than 300 µm are identified.. The high heating temperature makes the bonds between the sands stronger and the strength value is higher..
The Effectiveness of Using Flip Words Game to Improve Students' Vocabulary Mastery Prabowo, Aldi; Munawir, Ahmad; Amrang; Shaheen, Mohamed
Journal of English Language Proficiency Vol. 1 No. 1 (2024): Journal of English Language Proficiency (JELAP)
Publisher : Mell Baou Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/jelap.v1i1.3873

Abstract

This study aimed to examine the impact of the Flip Words Game on English vocabulary mastery among eighth-grade students at SMP Negeri 1 Wonomulyo using a quasi-experimental design. The sample included 60 students, divided into a control group (conventional methods) and an experimental group (Flip Words Game), each comprising 30 students. Both groups participated in four 40-minute sessions, and vocabulary mastery was assessed through pre- and post-tests. Data analysis using an independent sample t-test revealed a significant improvement in vocabulary mastery for the experimental group (t = 0.008, p < 0.05), with an N-Gain score in the medium category (0.5) compared to the control group’s low category (0.1). These results indicate that the Flip Words Game significantly enhances students' vocabulary mastery, supporting the hypothesis that this interactive method is effective for English language learning.
Co-Authors Amrang Delfian Prihadianto, Braam Munawir, Ahmad Radhian Krisnaputra Shaheen, Mohamed Suryo Darmo