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M2 Practice Questions

Commercial Mechanical Inspector

Last Update 3 days ago
Total Questions : 50

Dive into our fully updated and stable M2 practice test platform, featuring all the latest Commercial Inspector exam questions added this week. Our preparation tool is more than just a International Code Council study aid; it's a strategic advantage.

Our free Commercial Inspector practice questions crafted to reflect the domains and difficulty of the actual exam. The detailed rationales explain the 'why' behind each answer, reinforcing key concepts about M2. Use this test to pinpoint which areas you need to focus your study on.

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Question # 11

The minimum size for access openings for fire dampers shall be:

Options:

A.  

the same as the dimension of the duct.

B.  

one-half the diagonal of the access opening.

C.  

adequate to permit maintenance and resetting of the damper.

D.  

12 inches by 12 inches.

Discussion 0
Question # 12

Pipe and duct insulation can be used within plenums except:

Options:

A.  

where the assembly has been tested to UL 723.

B.  

where the flame spread index is not more than 25.

C.  

where the assembly has been tested to ASTM B84.

D.  

where the assembly has been tested to ASTM E84.

Discussion 0
Question # 13

Shutoff valves in plastic pipe ground-source heat pump loop systems shall be installed on both sides of which one of the following?

Options:

A.  

Expansion tanks

B.  

Heat-fusion joints

C.  

Change-in-material joints

D.  

Pressure-reducing valves

Discussion 0
Question # 14

Exhaust is required for which of the following areas?

Options:

A.  

Gambling casinos

B.  

Office break rooms

C.  

High school locker rooms

D.  

Prison guard stations

Discussion 0
Question # 15

Exhibit:

Question # 15

CEF-5 is a ceiling exhaust fan manufactured by:

Options:

A.  

G.  

E.  

B.  

Carnes

C.  

Markel

D.  

Nutone

Discussion 0
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