USVI Plumbing Licensing Journeyman Exam 200 Practice Questions
USVI Plumbing Licensing Journeyman Exam - 210 Practice Questions
Welcome to this comprehensive practice exam for the USVI Plumbing Licensing
Journeyman exam. To obtain a Journeyman Plumber license in the U.S. Virgin
Islands, you must have at least four years of experience as an apprentice or
worker training under a licensed Master Plumber or Plumbing Contractor, and
pass the computer-based examination offered through PSI Testing Services . The
exam consists of 100 multiple-choice questions, and you must correctly answer 70
questions to pass .
These 210 practice questions cover all major topic areas you will encounter on the
actual exam, including plumbing systems, pipe fitting, drainage systems, venting,
water treatment, plumbing codes, and safety. Each question includes the correct
answer and a detailed rationale to help you understand the underlying principles.
Section 1: Plumbing Systems and Fundamentals (Questions 1-30)
1. What is the primary purpose of a plumbing vent system?
A. Increase water pressure
B. Prevent sewer gases from entering the building
,C. Increase drainage speed only
D. Store wastewater
Answer: B
Rationale: Plumbing vent systems allow air into the drainage system, preventing
siphonage of traps and blocking sewer gases from entering occupied spaces .
2. Which pipe material is most commonly used for cold water distribution in
modern plumbing systems?
A. Lead
B. Cast iron
C. PEX
D. Clay
,Answer: C
Rationale: PEX is widely used due to flexibility, corrosion resistance, and ease of
installation .
3. What is the minimum slope for a 3-inch horizontal drain pipe?
A. 1/16 inch per foot
B. 1/8 inch per foot
C. 1/4 inch per foot
D. 1/2 inch per foot
Answer: B
Rationale: Most 3-inch drains require a minimum slope of 1/8 inch per foot to
ensure proper gravity flow of wastewater .
4. A trap is primarily designed to:
, A. Increase water flow
B. Prevent backflow pressure
C. Hold a water seal against sewer gases
D. Filter solids
Answer: C
Rationale: Traps maintain a water seal that prevents sewer gases from entering
buildings .
5. Which fitting is used to change the direction of a pipe by 90 degrees?
A. Tee
B. Coupling
C. Elbow
USVI Plumbing Licensing Journeyman Exam - 210 Practice Questions
Welcome to this comprehensive practice exam for the USVI Plumbing Licensing
Journeyman exam. To obtain a Journeyman Plumber license in the U.S. Virgin
Islands, you must have at least four years of experience as an apprentice or
worker training under a licensed Master Plumber or Plumbing Contractor, and
pass the computer-based examination offered through PSI Testing Services . The
exam consists of 100 multiple-choice questions, and you must correctly answer 70
questions to pass .
These 210 practice questions cover all major topic areas you will encounter on the
actual exam, including plumbing systems, pipe fitting, drainage systems, venting,
water treatment, plumbing codes, and safety. Each question includes the correct
answer and a detailed rationale to help you understand the underlying principles.
Section 1: Plumbing Systems and Fundamentals (Questions 1-30)
1. What is the primary purpose of a plumbing vent system?
A. Increase water pressure
B. Prevent sewer gases from entering the building
,C. Increase drainage speed only
D. Store wastewater
Answer: B
Rationale: Plumbing vent systems allow air into the drainage system, preventing
siphonage of traps and blocking sewer gases from entering occupied spaces .
2. Which pipe material is most commonly used for cold water distribution in
modern plumbing systems?
A. Lead
B. Cast iron
C. PEX
D. Clay
,Answer: C
Rationale: PEX is widely used due to flexibility, corrosion resistance, and ease of
installation .
3. What is the minimum slope for a 3-inch horizontal drain pipe?
A. 1/16 inch per foot
B. 1/8 inch per foot
C. 1/4 inch per foot
D. 1/2 inch per foot
Answer: B
Rationale: Most 3-inch drains require a minimum slope of 1/8 inch per foot to
ensure proper gravity flow of wastewater .
4. A trap is primarily designed to:
, A. Increase water flow
B. Prevent backflow pressure
C. Hold a water seal against sewer gases
D. Filter solids
Answer: C
Rationale: Traps maintain a water seal that prevents sewer gases from entering
buildings .
5. Which fitting is used to change the direction of a pipe by 90 degrees?
A. Tee
B. Coupling
C. Elbow