1 | Page
WASHINGTON BACKFLOW ASSEMBLY
TESTER PRACTICE EXAM — QUESTIONS
WITH VERIFIED ANSWERS AND
COMPLETE RATIONALES
## SECTION 1: CERTIFICATION REQUIREMENTS &
REGULATORY OVERVIEW
**1. What are the two parts of the Washington Backflow
Assembly Tester (BAT) certification examination?**
A. A written examination and an oral interview
B. A practical (hands-on) examination and a computer-based
written examination
C. A field test only
D. A correspondence course and a final project
**Correct answer:** B
**Rationale:** The BAT certification examination consists of two
parts: a **practical (hands-on) examination** and a **computer-
based written examination** (100 multiple-choice questions).
Applicants must pass both parts to become certified .
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---
**2. What is the passing score for the computer-based BAT
written examination?**
A. 60%
B. 70%
C. 80%
D. 90%
**Correct answer:** B
**Rationale:** The passing score for the written examination is
**70 percent** .
---
**3. How many questions are on the computer-based BAT
written examination?**
A. 50 questions
B. 75 questions
C. 100 questions
D. 150 questions
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**Correct answer:** C
**Rationale:** The computer-based examination consists of
**100 multiple-choice questions** developed by Water
Professionals International (WPI)/ABC Testing .
---
**4. How much time is allowed for the BAT practical
examination?**
A. 30 minutes
B. 1 hour
C. 2 hours
D. 3 hours
**Correct answer:** B
**Rationale:** Applicants have **one hour** to demonstrate
competency in testing the four backflow prevention assemblies
and to identify and diagnose simulated failure conditions .
---
WASHINGTON BACKFLOW ASSEMBLY
TESTER PRACTICE EXAM — QUESTIONS
WITH VERIFIED ANSWERS AND
COMPLETE RATIONALES
## SECTION 1: CERTIFICATION REQUIREMENTS &
REGULATORY OVERVIEW
**1. What are the two parts of the Washington Backflow
Assembly Tester (BAT) certification examination?**
A. A written examination and an oral interview
B. A practical (hands-on) examination and a computer-based
written examination
C. A field test only
D. A correspondence course and a final project
**Correct answer:** B
**Rationale:** The BAT certification examination consists of two
parts: a **practical (hands-on) examination** and a **computer-
based written examination** (100 multiple-choice questions).
Applicants must pass both parts to become certified .
,2 | Page
---
**2. What is the passing score for the computer-based BAT
written examination?**
A. 60%
B. 70%
C. 80%
D. 90%
**Correct answer:** B
**Rationale:** The passing score for the written examination is
**70 percent** .
---
**3. How many questions are on the computer-based BAT
written examination?**
A. 50 questions
B. 75 questions
C. 100 questions
D. 150 questions
, 3 | Page
**Correct answer:** C
**Rationale:** The computer-based examination consists of
**100 multiple-choice questions** developed by Water
Professionals International (WPI)/ABC Testing .
---
**4. How much time is allowed for the BAT practical
examination?**
A. 30 minutes
B. 1 hour
C. 2 hours
D. 3 hours
**Correct answer:** B
**Rationale:** Applicants have **one hour** to demonstrate
competency in testing the four backflow prevention assemblies
and to identify and diagnose simulated failure conditions .
---