# 소방설비기사(전기) 실기기출 설명문제 연습

> Among the practical submission questions for firefighting equipment technicians (electricity), explanation questions that require memorization are included, and various learning methods such as putting parentheses and steaming and TTS functions increase the learning effect.

Canonical page: [https://chrome-stats.com/d/com.fielsil\_des](https://chrome-stats.com/d/com.fielsil_des)

## Overview

- **ID:** `com.fielsil_des`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** c.s.park
- **Category:** EDUCATION
- **Downloads:** 189
- **Version:** 0.9.8
- **Last updated:** 2026-06-27
- **First published:** 2023-07-11
- **Publisher country:** KR
- **Size:** 41 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.fielsil_des)
- **Website:** [https://www.usefulpen.com](https://www.usefulpen.com/)
- **Privacy policy:** [https://www.usefulpen.com/useful-pen/privacy](https://www.usefulpen.com/useful-pen/privacy)

## Description

1. App introduction<br>- Includes explanation, selection, and picture questions that require memorization among the questions on the firefighting equipment engineer (electrical) practical exam.<br>- In addition to memorization, solve calculation problems with the help of the app and use it for summary before the exam.<br>- Contains issues from 2013 to the most recent episodes<br>- Suitable for learning while on the move or during downtime<br>- Lightweight app, no internet usage, no ads, no in-app purchases<br>- Continuous updates of the latest episodes with a one-time purchase<br><br>2. Features<br>- Learn by arranging problems by topic or year of exam<br>- Provides various learning methods such as inserting keyword parentheses, learning acronyms, learning to view each paragraph, etc.<br>- Use the wish function to focus on learning problems that users have wished for<br>- Learn to listen repeatedly until you get used to it with the TTS function<br>- Easy and quick memorization by using various functions in combination<br>- New exam questions will be continuously updated<br>- New! Formula practice: Memorize 46 major formulas (27 have calculation functions in parallel)<br>- Click and hold the question mark button for 2-3 seconds to see how to use it.<br>- Visit http://www.usefulpen.com to learn more.

## Rankings

- #1,733,795 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.READ_PHONE_STATE`
- `com.android.vending.CHECK_LICENSE`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.fielsil_des)