Practice Quiz

Interior Design Professional Practice Exam - Question List

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26.
Which of the following statement(s) are true about knots in lumber? 

a. Knots may be either tight or loose 
b. Knots strengthen a piece of lumber 
c. The portion of a branch or limb that is embedded in the wood 
d. Knots are caused by improper drying.
  1. b & c
  2. a & c
  3. a & d
  4. c & d
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27.
What is the “most common” width and length of plywood used in typical residential construction?
  1. 4 feet wide by 12 feet long
  2. 5 feet wide by 10 feet long
  3. 4 feet wide by 8 feet long
  4. 3 feet wide by 6 feet long
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28. Often times plumbing or wiring or different types of tubing may need to go through framing joists.What is the rule for determining the largest side of hole, notch or cut in a joist? No hole should be more than ___ of Joist Depth
  1. One Half
  2. One Third
  3. One Fifth
  4. One Quarter
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29. Hardwoods are classified with open and closed grain. The grain of the hardwood can affect the esthetics and the way stains and paints react to the finish. Which of the following selections is classified as open grain hardwood?
  1. Red Alder
  2. Cherry
  3. Walnut
  4. Maple
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30. What is a suspended ceiling?
  1. Panels that are directly glued to the ceiling for texture.
  2. A series of soffits that surround a room.
  3. A finished ceiling hung from the overhead by a series of wires.
  4. A series of beams and panels that make up a ceiling system.
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