What is the function of access door? Access door is one kind of inspection way of inside the installed duct.

Question

Accepted Answer

Access door is an inspection way of inside the installed duct.

Access doors are used to provide easy access to the inside of the duct for inspection, cleaning, and maintenance purposes.
They are typically installed at regular intervals along the length of the duct.
Access doors can be made of various materials such as metal, plastic, or fiberglass.
They come in different sizes and shapes depending on the size and shape of the duct.
Access doors should be properly sealed to prevent air leakage and maintain the efficiency of the HVAC system.

Top Nasser S. Al Hajri Corporation Hvac Ducting Supervisor interview questions & answers