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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Combustion Air | 8% | - Air supply and venting - Combustion air requirements - Confined spaces and equipment rooms |
| Topic 2: Fuel Supply Systems | 10% | - Fuel gas piping materials and installation - Gas appliances and connections - Pressure regulation and overpressure protection - Piping testing and inspection |
| Topic 3: Exhaust & Ventilation Systems | 20% | - Makeup air systems - Ventilation rates and outdoor air requirements - Hazardous and special exhaust systems - Commercial kitchen exhaust systems |
| Topic 4: Chimneys & Vents | 14% | - Chimney construction and materials - Vent systems and connections - Factory-built chimneys and vents - Clearances and termination requirements |
| Topic 5: Heating, Cooling & Water Heaters | 18% | - HVAC equipment installation and clearance - Water heaters and storage tanks - Boilers and hydronic systems - Heat pumps and cooling equipment - Solar thermal systems |
| Topic 6: Duct Systems | 12% | - Dampers and access doors - Duct installation and supports - Duct construction and materials - Insulation and sealing |
| Topic 7: General Administration | 18% | - Code authority and enforcement - Permits and inspections - Manufacturer's instructions and listings - Plan review and documentation |
>> Interactive International Code Council M2 Practice Exam <<
Commercial Mechanical Inspector (M2) dumps PDF version is printable and embedded with valid International Code Council M2 questions to help you get ready for the Commercial Mechanical Inspector (M2) exam quickly. Commercial Mechanical Inspector (M2) exam dumps pdf are also usable on several smart devices. You can use it anywhere at any time on your smartphones and tablets. We update our International Code Council M2 Exam Questions bank regularly to match the changes and improve the quality of M2 Questions so you can get a better experience.
NEW QUESTION # 21
Unless listed for a greater or smaller dimension, mechanical draft venting systems shall terminate a minimum of _____ feet below an openable window.
Answer: A
Explanation:
For mechanical draft venting systems, unless the appliance is listed for a different clearance, the vent terminal must be located not less than 4 feet below , 4 feet horizontally from , or 1 foot above any door, operable window, or gravity air inlet into a building. Therefore, the required minimum distance below an openable window is 4 feet , so Option B is correct.
NEW QUESTION # 22
What is the minimum air velocity that must be provided by an exhaust duct system serving a Type I range hood?
Answer: B
Explanation:
For commercial kitchen exhaust associated with Type I hood systems, the recognized code-based minimum duct transport velocity is 1,500 feet per minute , so C is the correct answer. Option B uses the wrong unit, and the other listed velocities do not match the code minimum used for this question type.
NEW QUESTION # 23
Exposed solar thermal equipment protected by motor vehicle impact may be installed at what height?
Answer: B
Explanation:
The IMC states that solar thermal equipment exposed to vehicular traffic must be installed not less than 6 feet above the finished floor . It then gives an exception stating that this requirement does not apply where the equipment is protected from motor vehicle impact . Because the height requirement is removed by that exception, the best answer from the choices given is A, directly on finished floor . This is an inference from the exception language.
NEW QUESTION # 24
Given: A recirculating industrial direct-fired makeup air heater has a rated input of 200,000 Btu/h .
Ventilation air is supplied by separate mechanical means.
Outside ventilation air shall be provided to supply at least _____ CFM.
Answer: A
Explanation:
The applicable provision requires direct-fired industrial air heaters to supply outside ventilation air at a rate of not less than 4 cfm per 1,000 Btu/h of rated input where ventilation air is provided by separate mechanical means. For 200,000 Btu/h , the required outside air is:
200,000 รท 1,000 = 200
200 ร 4 = 800 cfm
So the correct answer is C
NEW QUESTION # 25
Ducts shall not be permitted to be connected to:
Answer: A
Explanation:
The IMC appliance provisions prohibit duct connection to a vented wall furnace . That makes Option B correct. The exam tests recognition of appliance-specific distribution restrictions rather than general duct rules.
NEW QUESTION # 26
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