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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 # 1

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

Options:

A.  

1-1/4

B.  

1-1/2

C.  

2

D.  

2-1/2

Discussion 0
Question # 2

Natural, manufactured and liquefied petroleum, or a mixture of these, make up:

Options:

A.  

fuel oil.

B.  

fuel gas.

C.  

natural gas.

D.  

liquefied petroleum gas.

Discussion 0
Question # 3

Exposed solar thermal equipment protected by motor vehicle impact may be installed at what height?

Options:

A.  

Directly on finished floor

B.  

6 feet above finished floor

C.  

18 inches above finished floor

D.  

48 inches above finished floor

Discussion 0
Question # 4

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

Options:

A.  

2 feet

B.  

3 feet

C.  

8 feet

D.  

10 feet

Discussion 0
Question # 5

A cooling system with a condensate disposal system:

Options:

A.  

shall be made of approved corrosion-resistant material and shall not decrease in size from the drain pan connection to the place of condensate disposal.

B.  

shall be made of an approved pipe and be at least 1/2-inch in diameter.

C.  

shall not be less than 3/4-inch PVC pipe or equivalent approved material.

D.  

shall have all horizontal sections of drain piping installed with a minimum of 1/4 inch per foot slope.

Discussion 0
Question # 6

An 8-inch Type B venting system with a listed vent cap must terminate a minimum of _____ feet above the flat roof through which it passes.

Options:

A.  

1

B.  

2

C.  

4

D.  

5

Discussion 0
Question # 7

To test for tightness, a consumer’s gas piping should never be filled with:

Options:

A.  

air.

B.  

dry air.

C.  

oxygen.

D.  

inert gas.

Discussion 0
Question # 8

Horizontal terminations for mechanical draft systems that are adjacent to public walkways shall be located a minimum of _____ feet above grade.

Options:

A.  

7

B.  

8

C.  

9

D.  

10

Discussion 0
Question # 9

The minimum dimension for rectangular air ducts used to supply combustion air for natural draft systems is _____ inches.

Options:

A.  

2

B.  

3

C.  

4

D.  

6

Discussion 0
Question # 10

What type of cooking appliance is required to have its own independent hood and exhaust system?

Options:

A.  

Light-duty

B.  

Medium-duty

C.  

Heavy-duty

D.  

Extra-heavy-duty

Discussion 0
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