Customer
Frequently Asked Questions

Online tests are designed to help reduce test anxiety, improve time management, and familiarize you with the testing format. They mirror real test circumstances and are ideal for anyone who wants realistic practice before the actual exam.

Online tests provide you with an average score out of 100 questions. This mimics the format of a real exam, helping you get comfortable with timing and question styles. Many users find that these tests are particularly beneficial for managing test anxiety.

This product provides questions and answers only, without explanations. It’s ideal for quickly identifying areas you need to improve on and taking notes for further study.

This guide allows you to self-assess by working through questions and reviewing correct answers. It’s a practical tool for identifying strengths and weaknesses in your knowledge.

This product includes questions, answers, and brief explanations. Each answer is accompanied by a 2-3 sentence explanation that helps you understand the core idea or concept related to the question.

This guide provides a deeper level of understanding by explaining why each answer is correct. It’s especially helpful for those who need extra context to understand complex topics.

No, we do not offer print books. All materials are provided as PDFs with unique identifiers registered to the purchaser.

We aim to keep our platform accessible and cost-effective. Offering digital materials allows us to reduce production costs and make the content affordable for everyone.

Check the default download folder on your device. On desktop computers, this is typically the "Downloads" folder. For iPhone users, check your Files app, and for Android users, check your Download or Files app. If you're still having trouble locating the file, try downloading it on a computer first and then transfer it to your device or print it out.

Please check your spam or junk folder. Our system automatically sends a confirmation email with download links after purchase. If you still don't see it, reach out to us, and we can send you the direct link. However, please ensure your device is set up to locate and open downloaded files.

Please email us, and we will promptly send you the correct book. While rare, occasional system errors can lead to incorrect files being sent.

We're continuously expanding our library. If you don't see your trade, please check back soon, as new guides are added regularly.

Yes, you can print the PDF study guides if you prefer to study from a physical copy. Please note that the file has a unique identifier linked to your purchase, so it’s for personal use only.

No, each PDF is registered to the purchaser and includes a unique identifier. Sharing the file violates our terms of service and may lead to access restrictions.

Yes, once you download the PDF file, it can be accessed offline on any device that supports PDF viewing.

Our study guides are developed to provide a general average of the questions you may encounter and are regularly reviewed for accuracy. However, for liability reasons, they do not include specific engineering, code, or region-specific regulations. Always cross-reference with official trade materials for the most up-to-date information.

No, you do not need to create an account. You can simply purchase, and a download link will be provided via email.

Our guides are designed to supplement your study plan and provide targeted practice. However, we recommend using them alongside official study materials and resources to ensure comprehensive preparation.

We accept major credit cards and other standard payment methods as listed at checkout. Unfortunately, we don’t accept checks or cash payments.

We do not offer refunds. Our materials are delivered digitally, and we provide previews on the site so you can evaluate content before purchase. This helps ensure that you are fully informed about the product before buying.