Journeyman Plumbing 2025/2026 Exam
Questions with 100% Correct Answers |
Latest Update
Travel - 🧠 ANSWER ✔✔The Distance from the initial offset to the second
fitting
Advance - 🧠 ANSWER ✔✔Distance parallel to the pipes between the offset
fittings
Offset - 🧠 ANSWER ✔✔Distance the pipe is offset from original position to
new position
Rolling offsets formula - 🧠 ANSWER ✔✔Travel = Rise x 2 = Spread x 2
,What are the three ways water is present? - 🧠 ANSWER ✔✔Solid - Ice
Liquid - Water
Gas - Steam
Pressure formula? - 🧠 ANSWER ✔✔Pressure= Head x .434
Head Formula? - 🧠 ANSWER ✔✔Head = Pressure x 2.3
Calculate the travel of 45 degree offset with a rise of 8" and a spread of 20"
- 🧠 ANSWER ✔✔Travel = 21.54 x 1.414 = 30.45
Answer = 30 1/2"
Pressure is 60 psi, you must run a water service to a house built on a 30
foot rise. What is going to be the pressure at the house? - 🧠 ANSWER
✔✔Pressure = Head x .434
30 x .434 = 13.02 loss ( Uphill )
60 - 13 = 47
Answer = 47 psi
Volume of a pipe formula? - 🧠 ANSWER ✔✔.0408 x D^2 x L
,Calculate the volume of a tank ( pipe ) 20 feet in height, with a diameter of
48" - 🧠 ANSWER ✔✔Answer = 434,294,78 cu inches
* when we have cubic inches, must multiply volume by 231
(1880.06 gallons x 231)
Calculate 1 1/2" pipe with an advance of 48" - 🧠 ANSWER ✔✔Answer = 64
7/8 "
Travel = 1.414 x advance
1.414 x 48 = 67 7/8 "
Minus 3 ( 1 1/2 for both fittings )
= 64 7/8"
Payment formula? - 🧠 ANSWER ✔✔Payment = Base x Rate
Rate formula? - 🧠 ANSWER ✔✔Rate = Payment divided by Base
You estimated a job at $2195, you need $900 upfront, what is the percent
you collect upfront? - 🧠 ANSWER ✔✔Answer = 41%
Rate = 900 divided by 2195 = 41%
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, When calculating offsets, what must be given? - 🧠 ANSWER
✔✔Offset(Base) and Advance(altitude)
When can you use PVC schedule 40 water pipe? - 🧠 ANSWER ✔✔Cold
Water distribution systems
When can you use CPVC water pipe and fittings? - 🧠 ANSWER ✔✔Cold +
Hot water distribution water systems
What is the blue print symbol for cold water? - 🧠 ANSWER ✔✔Long line -
long line - Long line -
Blue print symbol for hot water return line? - 🧠 ANSWER ✔✔Long line short
line short line long line
Potable Water, Sanitary Drainage, Fuel Gas piping, Storm Water. Which
one is not included in Plumbing Systems in buildings? - 🧠 ANSWER
✔✔Fuel Gas Piping
What is Galvanic action? - 🧠 ANSWER ✔✔Electrolytic chemical reaction
between dissimilar metals such as copper and iron
What is the most common scales used in building drawings - 🧠 ANSWER
✔✔1/8" = 1' and 1/4" = 1 '
Questions with 100% Correct Answers |
Latest Update
Travel - 🧠 ANSWER ✔✔The Distance from the initial offset to the second
fitting
Advance - 🧠 ANSWER ✔✔Distance parallel to the pipes between the offset
fittings
Offset - 🧠 ANSWER ✔✔Distance the pipe is offset from original position to
new position
Rolling offsets formula - 🧠 ANSWER ✔✔Travel = Rise x 2 = Spread x 2
,What are the three ways water is present? - 🧠 ANSWER ✔✔Solid - Ice
Liquid - Water
Gas - Steam
Pressure formula? - 🧠 ANSWER ✔✔Pressure= Head x .434
Head Formula? - 🧠 ANSWER ✔✔Head = Pressure x 2.3
Calculate the travel of 45 degree offset with a rise of 8" and a spread of 20"
- 🧠 ANSWER ✔✔Travel = 21.54 x 1.414 = 30.45
Answer = 30 1/2"
Pressure is 60 psi, you must run a water service to a house built on a 30
foot rise. What is going to be the pressure at the house? - 🧠 ANSWER
✔✔Pressure = Head x .434
30 x .434 = 13.02 loss ( Uphill )
60 - 13 = 47
Answer = 47 psi
Volume of a pipe formula? - 🧠 ANSWER ✔✔.0408 x D^2 x L
,Calculate the volume of a tank ( pipe ) 20 feet in height, with a diameter of
48" - 🧠 ANSWER ✔✔Answer = 434,294,78 cu inches
* when we have cubic inches, must multiply volume by 231
(1880.06 gallons x 231)
Calculate 1 1/2" pipe with an advance of 48" - 🧠 ANSWER ✔✔Answer = 64
7/8 "
Travel = 1.414 x advance
1.414 x 48 = 67 7/8 "
Minus 3 ( 1 1/2 for both fittings )
= 64 7/8"
Payment formula? - 🧠 ANSWER ✔✔Payment = Base x Rate
Rate formula? - 🧠 ANSWER ✔✔Rate = Payment divided by Base
You estimated a job at $2195, you need $900 upfront, what is the percent
you collect upfront? - 🧠 ANSWER ✔✔Answer = 41%
Rate = 900 divided by 2195 = 41%
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, When calculating offsets, what must be given? - 🧠 ANSWER
✔✔Offset(Base) and Advance(altitude)
When can you use PVC schedule 40 water pipe? - 🧠 ANSWER ✔✔Cold
Water distribution systems
When can you use CPVC water pipe and fittings? - 🧠 ANSWER ✔✔Cold +
Hot water distribution water systems
What is the blue print symbol for cold water? - 🧠 ANSWER ✔✔Long line -
long line - Long line -
Blue print symbol for hot water return line? - 🧠 ANSWER ✔✔Long line short
line short line long line
Potable Water, Sanitary Drainage, Fuel Gas piping, Storm Water. Which
one is not included in Plumbing Systems in buildings? - 🧠 ANSWER
✔✔Fuel Gas Piping
What is Galvanic action? - 🧠 ANSWER ✔✔Electrolytic chemical reaction
between dissimilar metals such as copper and iron
What is the most common scales used in building drawings - 🧠 ANSWER
✔✔1/8" = 1' and 1/4" = 1 '
