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| Section | Weight | Objectives |
|---|---|---|
| Heating, Cooling & Water Heaters | 18% | - Water heaters and storage tanks - HVAC equipment installation and clearance - Boilers and hydronic systems - Solar thermal systems - Heat pumps and cooling equipment |
| Exhaust & Ventilation Systems | 20% | - Makeup air systems - Ventilation rates and outdoor air requirements - Commercial kitchen exhaust systems - Hazardous and special exhaust systems |
| Duct Systems | 12% | - Dampers and access doors - Duct construction and materials - Duct installation and supports - Insulation and sealing |
| General Administration | 18% | - Manufacturer's instructions and listings - Plan review and documentation - Permits and inspections - Code authority and enforcement |
| Fuel Supply Systems | 10% | - Pressure regulation and overpressure protection - Fuel gas piping materials and installation - Gas appliances and connections - Piping testing and inspection |
| Chimneys & Vents | 14% | - Vent systems and connections - Clearances and termination requirements - Factory-built chimneys and vents - Chimney construction and materials |
| Combustion Air | 8% | - Combustion air requirements - Confined spaces and equipment rooms - Air supply and venting |
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NEW QUESTION # 26
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 # 27
Given: a six-story, sprinklered, multifamily building with a continuously ventilated shaft extending vertically from the first floor to the roof and used for exhaust.
Which of the following requirements must also be met?
Answer: B
Explanation:
For this type of continuously ventilated exhaust shaft serving a multifamily building, the code requires the kitchen exhaust connection to penetrate the shaft and extend vertically not less than 22 inches without a fire damper. That matches Option D .
NEW QUESTION # 28
What is the maximum distance allowed below the design flood elevation from which ventilation may be obtained?
Answer: B
Explanation:
This question appears to contain a wording issue. In ICC flood-related provisions tied to ventilation/flood openings, the governing limit is that the opening location is not more than 1 foot relative to the reference grade condition used for flood-opening compliance. That corresponds to 1 foot , so Option C is the best- supported answer.
NEW QUESTION # 29
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 ÷ 1,000 = 200
200 × 4 = 800 cfm
So the correct answer is C
NEW QUESTION # 30
Shutoff valves in plastic pipe ground-source heat pump loop systems shall be installed on both sides of which one of the following?
Answer: B
Explanation:
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.
NEW QUESTION # 31
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