Line E *Install Venting Systems* Flashcards

1
Q

What Category appliance has nonpositive pressure and a temperature above 140°F (60°C)?

A

Category I

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2
Q

What Category appliance has positive pressure and a temperature below 140°F (60°C)?

A

Category IV

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3
Q

What Category appliance has positive pressure and a temperature above 140°F (60°C)?

A

Category III

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4
Q

What Category appliance requires venting that is made of material that is intended to resist corrosion from condensing?

A

Category II & IV

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4
Q

What Category appliance has nonpositive pressure and a temperature below 140°F (60°C)?

A

Category II

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5
Q

What Category appliance requires venting to be sealed and pressure tight?

A

Category III & IV

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6
Q

What is that maximum temperature of 316L stainless venting?

A

550°F

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7
Q

What temperature can high temperature silicone go up to?

A

2000°F

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8
Q

A flue vent can be supported by the appliance it serves.

A

False

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9
Q

What is the typical grade for horizontal flue venting?

A

1/4” per foot

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10
Q

How should the flue venting be graded for a condensing type appliance when running the vent horizontally to the outdoors?

A

Towards the appliance

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11
Q

To maintain the flow of condensate in a condensing appliance’s flue venting, a horizontal change in size of the venting should be done with what type of increaser?

A

Eccentric type

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12
Q

When changing the size of vertical venting, it should normally be done with what type of increaser?

A

Concentric type

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13
Q

What is used on flue venting guy wires to allow for vent expansion and contraction without stretching the guy wires?

A

Spring loaded turnbuckles

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