Online Access Free M2 Practice Test

The minimum rise required for a 10-foot run of vent connector is _____ inches.

• A.1-1/2
• B.2-1/2
• C.1-1/4
• D.2

What is the minimum distance required between a combustion air opening at the exterior of a building and a lot line?

• A.8 feet
• B.10 feet
• C.2 feet
• D.3 feet

When testing dampers located in corridors, the dampers shall demonstrate acceptable closure performance when subjected to _____ fpm velocity across the face of the damper using the UL 555 fire exposure test.

• A.150
• B.75
• C.200
• D.100

Which of the following is not a required mechanical inspection?

• A.Annual system test
• B.Rough-in
• C.Final
• D.Underground

All exposed gas piping shall be kept above grade a minimum of _____ inches.

• A.6
• B.3.5
• C.8.5
• D.12