Gas ACS CCN1 Exam
Practice CCN1 Gas Questions
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Pass your ACS gas exams with realistic questions, explanations, flashcards, progress tracking and personalised revision for CCN1, CENWAT, CKR1 and HTR1 and more.
Gas ACS Exam Prep helps gas engineers prepare for their ACS assessments with realistic practice questions, detailed explanations, flashcards, progress tracking, and personalised revision tools.
Whether you're studying for CCN1, CENWAT, CKR1, CPA1, HTR1, or MET1, the app is designed to help you identify weak areas, improve knowledge retention, and build confidence before your assessment.
Practice exam-style multiple-choice questions covering key topics including gas safety, ventilation, tightness testing, combustion performance, fault diagnosis, and industry regulations.
Free Features
• Free Quick Test
• Sample ACS practice questions
• Modern, easy-to-use interface
Premium Features
• 1,137+ ACS practice questions
• CCN1 (777 questions)
• CENWAT (120 questions)
• CKR1 (60 questions)
• CPA1 (60 questions)
• HTR1 (60 questions)
• MET1 (60 questions)
Study Tools
• Detailed explanations for questions
• Flashcards for every module and chapter
• Personalised revision recommendations
• Progress tracking and exam readiness scoring
• Quiz history and performance trends
• Flag questions for later review
• Practice by module or chapter
• Custom question count selection
• Instant results and feedback
• Offline revision support
Designed by a gas engineer for gas engineers, this app provides a practical way to prepare for ACS assessments and ongoing revision.
This app is intended as a revision and practice tool only and does not replace official training, ACS assessment, or manufacturer guidance.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Version 3.0.3
- Bug and fixes.
The developer, Abdul Basit, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Abdul Basit
- Size
- 10.2 MB
- Category
- Education
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Basit Dev