Preview Questions Plumber | Role Specific Skill

Question 1: In a pressure test for detecting leaks, what is the required test duration for a sewer line?

Which action should you take?

Choose only one option

1 hour

2 hours

24 hours

30 minutes

Question 2: How do you determine the correct pipe size for a drainage system?

Which action should you take?

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Based on the total load on the system

By the water temperature

By the flow rate and fixture demand

By the distance from the water source

Question 3: Which of the following is a key consideration when maintaining fire suppression systems in commercial buildings?

Which action should you take?

Choose only one option

Ensuring that all valves are locked in the open position

Checking for contamination in water supply

Cleaning all sprinkler heads bi-annually

Verifying the water flow rate and pressure regularly

Question 4: Which tool is commonly used to cut pipe fittings for precise angles when working with PVC or metal pipes?

Which action should you take?

Choose only one option

Pipe cutter

Pipe bending machine

Reciprocating saw

Angle grinder

Question 5: When maintaining sprinkler systems in a large commercial facility, which component should be checked regularly?

Which action should you take?

Choose only one option

All of the above

Backflow preventer

Water pressure regulator

Sprinkler heads for clogs and wear

Question 6: What is the minimum required clearance above a floor drain trap, as specified by the National Plumbing Code?

Which action should you take?

Choose only one option

24 inches

12 inches

18 inches

6 inches