For a Carrier 59SC6A furnace, Table 2 lists the top clearance from combustible material as 1 inch. An unprotected combustible surface is 3/4 inch above the top of the furnace. What is the clearance finding under this listed requirement?

ICC M1 exam practice question · Combustion Air

For a Carrier 59SC6A furnace, Table 2 lists the top clearance from combustible material as 1 inch. An unprotected combustible surface is 3/4 inch above the top of the furnace. What is the clearance finding under this listed requirement?

AAccept because the rear clearance is zero
BAccept because all sides have the same clearance
The top clearance is short by 1/4 inch
DThe top clearance is short by 3/4 inch

Where to look it up

https://www.shareddocs.com/hvac/docs/1009/Public/0A/59SC6A-01SI.pdf

Why C is correct

Compare the specified top clearance with the measured top clearance: 1 − 0.75 = 0.25 inch short. A clearance listed for another face does not replace the top requirement. Source: https://www.shareddocs.com/hvac/docs/1009/Public/0A/59SC6A-01SI.pdf

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For a Carrier 59SC6A furnace, Table 2 lists the top clearance from combustible material as 1 inch. An unprotected combustible surface is 3/4 inch above the top of the furnace. What is the clearance finding under this listed requirement?

For a Carrier 59SC6A furnace, Table 2 lists the top clearance from combustible material as 1 inch. An unprotected combustible surface is 3/4 inch above the top of the furnace. What is the clearance finding under this listed requirement?

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