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Practice Quiz | (M1) Residential Mechanical Inspector

This practice quiz is designed for those who are looking to take either the 2018 or 2021 (M1) Residential Mechanical Inspector Certification Exam administered through the International Code Council (ICC). Feel free to use this quiz as a way to assess where you’re currently at. This free quiz contains 10 questions from our premium M1 Residential Mechanical Inspector Practice Exam.

If you find this quiz helpful, please checkout the link to our Practice Exam offered below.

Good Luck and Happy Test Taking!

(M1) Residential Mechanical Inspector Practice Quiz

1 / 10

A 12 inch x 12 inch wood louver used to supply combustion air provides a net free area of ____ square inches.

2 / 10

Crimp joints for round and oval metal ducts must be lapped no less than ___ inch.

3 / 10

Power exhauster terminations for mechanical draft systems shall be located no less than ___ feet from lot lines.

4 / 10

A 50,000 BTU furnace and a 25,000 BTU water heater are located within an enclosure. Combustion air is provided through two horizontal ducts connecting to the outside. What is the minimum net free area required for each opening communicating directly to the outside?

5 / 10

Horizontal steel gas piping, 2 inches in nominal size, shall be supported at intervals not exceeding a spacing of ___ feet.

6 / 10

A connector shall connect to a masonry chimney flue at a point no less than ___ inches above the lowest portion of the interior of the chimney flue.

7 / 10

Dryer exhaust ducts shall be ___ inches nominal in diameter.

8 / 10

An appliance shall be provided with a level working space in front of the control side to service the appliance with a dimension of no less than ____ inches deep and ____ inches wide.

9 / 10

Water Heaters located in a garage that have an ignition source must be elevated so that the source of the ignition is not less than ___ inches above the floor.

10 / 10

The air inlet or outlet of a vented wall furnace must not be located within ___ inches of a door swing.



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If you found this quiz to be helpful, feel free to check out our premium practice exam at the link below.

Test your knowledge of the code with 2 full practice exams (60 questions each) based on either the 2018 or 2021 Residential Mechanical Inspector Exam.


Includes 2 Practice Exams, 60 Questions Each


Our Practice Exams are offered on the Udemy platform.

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