Sample interview questions: Have you ever used hydro jetting equipment to clear drains? If so, can you explain the process?
Sample answer:
I’ve used hydro jetting equipment to clear drains on numerous occasions. The process involves using a high-pressure water jet to blast away any debris or blockages that may be causing the drain to clog.
The first step is to insert the hydro jetting nozzle into the drain. The nozzle is attached to a hose that is connected to a water source. The water source can be a pressure washer or a dedicated hydro jetting machine.
Once the nozzle is in place, the water is turned on and the pressure is increased. The high-pressure water jet will then blast away any debris or blockages that are in the drain.
The hydro jetting process is very effective at clearing drains. It can remove even the most stubborn blockages, such as grease, hair, and tree roots.
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Source: https://hireabo.com/job/12_0_10/Drain%20Technician