Given: The listed clearance is 12 inches.

What would be the reduced clearance to combustibles, in inches, if the millboard is replaced with 24-gauge sheet metal?

• A.2
• B.4
• C.6
• D.3

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Exhibit:

What hp is EF-2?

• A.1/2
• B.1
• C.1.5
• D.2

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A low-pressure steam heating boiler is a boiler furnishing a maximum steam pressure of _____ psi.

• A.[option text not fully visible in the material you sent]
• B.15
• C.[option text not fully visible in the material you sent]
• D.80

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Exhibit:

CEF-5 is a ceiling exhaust fan manufactured by:

• A.G.E.
• B.Carnes
• C.Markel
• D.Nutone

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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?

• A.kitchen exhaust that penetrates the shaft without a fire damper and extends vertically 12 inches.
• B.fire dampers are installed that are connected to an emergency generator rated for 1 hour.
• C.have steel subducts with wall thickness of 0.0186 inch extending 22 inches horizontally into the shaft.
• D.kitchen exhaust that penetrates the shaft without a fire damper and extends vertically 22 inches.

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