District of Columbia Journeyman Plumber
Sample Questions for the District of Columbia Journeyman Plumbers Exam
For field-constructed flashings, sheet lead used for flashing of vent terminals shall not be less than _____ pounds per square foot.
The minimum water seal for industrial sand interceptors (clarifiers) is ___ inches:
Which of the following implements should be used to prevent kinks when reshaping soft copper tubes:
- A dummy
- A brass ferrule
- A bending spring
- An internal switch
How many gallons should a septic tank for a four-bedroom house hold?
What fitting and procedure should be used to connect a discharge pipe from a sewage ejector to a horizontal gravity draining line?
- From top through a tapped san tee fitting
- From the side through a P-trap fitting
- From the top through a wye branch fitting
- From the bottom through a 1/8 bend fitting
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