Sample Exam Questions and Recommended （考试样题和推荐）.pdfVIP

Sample Exam Questions and Recommended References for ABC’s Backflow Prevention Assembly Tester Exam The following questions are provided as examples of the types of questions that will be covered on the ABC standardized Backflow Prevention Assembly Tester (BPAT) certification exam. You will not find any of these questions duplicated on a certification exam, so dont try to memorize the questions and answers. These sample questions should not be used in place of other training materials and courses. The reference material listed at the end of this document will help you better understand the topics and answer similar questions that may be on the certification exam. BASIC CONCEPTS (30% of the exam)  Explain hydraulic concepts of backsiphonage, backpressure, and pressure drop  Identify acceptable/unacceptable backflow prevention installations  Describe backflow prevention assemblies and devices  Explain the difference between backflow prevention assemblies and devices  Describe the public health principles, laws, and regulations Sample Questions for Basic Concepts 1. What is the pressure at the base of a 100 foot high standpipe filled with water? A. 0.433 psi B. 2.31 psi C. 14.7 psi D. 43.3 psi 2. A column of water exerts pressure at the bottom of a column due to A. Atmospheric pressure B. Temperature of the water C. Weight of the water D. Minerals in the water 3. What is the primary consideration when deciding whether to install a reduced pressure or a double check valve assembly? A. Available space for installation B. Cost C. Availability of a floor drain D. Degree of hazard 4. A cross-connection is an actual or potential connection that could allow backflow to occur between a potable water system and a piping system that contains potenti