Insulation Contractor License Practice Exam

1 Which of the following is the best insulation?

a. Aluminum

b. Styrofoam

c. Blanket

d. Batted

Incorrect. Please choose another answer.

2 What is the allowable conductance when wrapping ducts?

a. 0.05

b. 0.16

c. 0.24

d. 0.48

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3 Which of the following is the smallest wire permitted when wrapping air-conditioning ducts?

a. 24 gage

b. 18 gage

c. 16 gage

d. 14 gage

Incorrect. Please choose another answer.

4 What insulation should be used when wrapping chilled water pipe?

a. Vapor-resistant adhesive

b. Plumber's tape

c. Cellulose fiber

d. Mastic

Incorrect. Please choose another answer.

5 STC is an acronym for which of the following?

a. Static Transmission Classification

b. Secondary Trade Classification

c. Sound Transmission Classification

d. Sound Transmission Commission

Incorrect. Please choose another answer.

6 FSK-25 insulation is used in which of the following?

a. Interior insulation only

b. Non-fire-rated applications

c. Non-Commercial exposed fire-resistant buildings

d. Commercial exposed fire-resistant buildings

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7 STL is an acronym for which of the following?

a. Single Type Layer

b. Sound Transmission Loss

c. Sound Temperance Layer

d. Secondary Type Locator

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8 One inch of polyurethane insulation is equal to what R-value?

a. R-11

b. R-9

c. R-6

d. R-4

Incorrect. Please choose another answer.

9 Which weatherproofing material is the most versatile?

a. Foam Tape

b. Caulking

c. Felt

d. Gaskets

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10 Ceiling tiles should not be installed when the humidity is above which of the following?

a. 60 percent

b. 70 percent

c. 75 percent

d. 80 percent

Incorrect. Please choose another answer.

11 When installing Zee-Bar Ceilings, how many twists does the suspension wire require?

a. 2 Twists

b. 3 Twists

c. 4 Twists

d. 6 Twists

Incorrect. Please choose another answer.

12 Zee-Bar ceiling systems require a minimum of what gage wire?

a. No. 12

b. No. 14

c. No. 16

d. No. 18

Incorrect. Please choose another answer.

13 Residential slab-on-grade foundations insulation R-Value should be a minimum of ___________?

a. R-30

b. R-19

c. R-10

d. R-6

Incorrect. Please choose another answer.

14 When installing unfaced insulation between metal studs, the best procedure is to use ____________?

a. Adhesive tape

b. Glue and adhesives

c. Friction-fit

d. Medal fasteners

Incorrect. Please choose another answer.

15 What is the best method of stopping air infiltration through heating systems?

a. Caulk ducts at all floor penetrations

b. Caulk ducts at plenums

c. Seal duct elbows

d. Caulk duct joints

Incorrect. Please choose another answer.

16 In residential air leakage tests, where does the most air infiltration occur?

a. Duct System

b. Fireplaces

c. Sole Plates

d. Wall outlets

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17 R-value is the measure of a material's resistance to the flow of which of the following?

a. Cold

b. Electricty

c. Moisture

d. Heat

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18 K factor is a measure of ___________?

a. Thermal conductivity

b. Temperature Drop

c. Rate of heat flow

d. Electrical conductivity

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19 Reflective insulation is designed for which of the following?

a. Conductive heat

b. Convection heat

c. Moisture transition

d. Radiant heat

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20 The greatest heat loss occurs through the ____________?

a. Ceilings

b. Attic

c. Floors

d. Walls

Incorrect. Please choose another answer.