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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Duct Systems | 12% | - Insulation and sealing - Duct construction and materials - Dampers and access doors - Duct installation and supports |
| Topic 2: General Administration | 18% | - Permits and inspections - Code authority and enforcement - Plan review and documentation - Manufacturer's instructions and listings |
| Topic 3: Fuel Supply Systems | 10% | - Piping testing and inspection - Gas appliances and connections - Fuel gas piping materials and installation - Pressure regulation and overpressure protection |
| Topic 4: Combustion Air | 8% | - Combustion air requirements - Air supply and venting - Confined spaces and equipment rooms |
| Topic 5: Exhaust & Ventilation Systems | 20% | - Ventilation rates and outdoor air requirements - Hazardous and special exhaust systems - Makeup air systems - Commercial kitchen exhaust systems |
| Topic 6: Chimneys & Vents | 14% | - Vent systems and connections - Chimney construction and materials - Clearances and termination requirements - Factory-built chimneys and vents |
| Topic 7: Heating, Cooling & Water Heaters | 18% | - Water heaters and storage tanks - Solar thermal systems - Heat pumps and cooling equipment - Boilers and hydronic systems - HVAC equipment installation and clearance |
M2準備クイズと優れたアフターサービスを含む特別で個別のサービスを提供できるのは当社です。当社の専門家が質問バンクに毎日更新があるかどうかを確認するため、学習資料の正確性について心配する必要はありません。更新システムがある場合、それらを自動的に顧客に送信します。誰もが知っているように、M2シミュレーション資料はこの分野で高い合格率を示しているため、非常に有名です。まだheしている場合は、M2試験問題が賢明な選択です。
質問 # 50
The minimum dimension for rectangular air ducts used to supply combustion air for natural draft systems is
_____ inches.
正解：A
解説：
The IMC combustion-air provisions require openings used for combustion air to have a minimum cross- sectional dimension of 3 inches . Where ducts are used, they must be of the same cross-sectional area as the openings to which they connect. That makes 3 inches the correct answer, so Option B is correct.
質問 # 51
Shutoff valves in plastic pipe ground-source heat pump loop systems shall be installed on both sides of which one of the following?
正解：B
解説：
In the IMC hydronic piping provisions for ground-source heat pump loop systems, shutoff valves are required on both sides of a pressure-reducing valve . That matches D . Heat-fusion joints and change-in-material joints do not trigger this two-sided shutoff-valve requirement.
質問 # 52
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.
正解：C
解説：
For a Type B gas vent with a listed vent cap terminating through a flat roof , the minimum required termination height is 1 foot above the roof . That makes Option A correct. This is consistent with gas vent termination tables used with listed Type B vent systems and the code framework for Type B vent terminations.
質問 # 53
The minimum rise required for a 10-foot run of vent connector is _____ inches.
正解：A
解説：
Vent connectors must be installed with a minimum rise of 1/4 inch per foot . For a 10-foot run, the required rise is:
10 × 1/4 inch = 2.5 inches .
That equals 2-1/2 inches , so Option D is correct.
質問 # 54
For the installation of listed fuel-burning appliances, the required clearances should be found:
正解：D
解説：
The IMC requires fuel-burning units to be marked with the hourly rating, approved fuel type, and required clearances . That means the appliance marking/nameplate is the direct source for the required clearance information for listed fuel-burning appliances. This is why B is the correct answer.
質問 # 55
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M2学習ガイドを選択することは、学習コンテンツの充実だけでなく、独自の発見スペースを改善する機会でもあります。当社のM2学習ガイド資料は、あなたの個人的な開発に大きな影響を与える可能性があります。仕事を探している過程で、競合他社よりも有利なM2証明書を保持しているため、君は。 M2学習ガイド資料を使用した後、ユーザーは専攻に専念するためにより多くの時間とエネルギーを費やすことができ、専門分野でますます目立つようになります。
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