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(M1) Residential Mechanical Inspector Practice Quiz

This practice quiz is designed for those who are looking to take either the 2015 or 2018 (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.

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(M1) Residential Mechanical Inspector Practice Quiz

1 / 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.

2 / 10

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

3 / 10

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

4 / 10

Dryer exhaust ducts shall be ___ inches nominal in diameter.

5 / 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.

6 / 10

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

7 / 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.

8 / 10

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

9 / 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?

10 / 10

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

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