Preview Questions Plumber | Role Specific Skill

Question 1: How do you install a flange on a cast iron pipe?

Which action should you take?

Choose only one option

Bolt the flange onto the pipe

Use a welding torch

Solder the pipe to the flange

Use a flange adapter

Question 2: What is the best practice when maintaining a water pump in a building's plumbing system?

Which action should you take?

Choose only one option

Inspect the pump's motor and replace seals

Ensure proper alignment and lubrication of moving parts

Regularly check the water level and cleanliness

Test the pump with varying pressures

Question 3: For water leak detection in large diameter pipes, which of the following methods is the most suitable?

Which action should you take?

Choose only one option

Pressure testing combined with acoustic sensors

Ultrasonic testing combined with tracer gas

Thermal imaging combined with acoustic sensors

Vacuum testing combined with dye testing

Question 4: For detecting leaks in high-rise building plumbing, what is the most accurate method to identify hidden leaks?

Which action should you take?

Choose only one option

Water pressure testing

Tracer gas testing

Acoustic emission testing

Thermal infrared imaging

Question 5: In which situation would a fluorescent dye test be most appropriate for leak detection in sewer systems?

Which action should you take?

Choose only one option

Tracing leaks in a complex sewer network

Locating leaks in high-pressure pipelines

Identifying leaks from pipe joints in a new sewer installation

Detecting small leaks in non-pressurized lines

Question 6: What is the recommended pressure test method for newly installed copper piping?

Which action should you take?

Choose only one option

Water pressure test

Vacuum test

Submersion test

Air pressure test