Interior Design Interior Design Materials & Finishes 2

Question 1

Which window treatment fabric weight is most appropriate for achieving full blackout light control?

Accepted Answer

Blackout-lined drapery

Answer

Blackout-lined drapery uses a tightly woven or foam-backed lining layer to block virtually all light from entering a room.

Question 2

In material specification, VOC stands for which term relevant to indoor air quality?

Accepted Answer

Volatile Organic Compounds

Answer

VOCs (Volatile Organic Compounds) are chemicals that evaporate at room temperature from paints, adhesives, and finishes and can negatively affect indoor air quality.

Question 3

Which stone is highly porous and requires regular sealing in kitchen applications due to its susceptibility to etching from acidic substances?

Accepted Answer

Marble

Answer

Marble is calcium carbonate-based and reacts chemically with acids, causing etching (dull marks), requiring sealing and careful maintenance in kitchens.

Question 4

Which tile installation pattern uses rectangular tiles arranged so the joints of one row align with the center of tiles in adjacent rows?

Accepted Answer

Running bond/brick

Answer

The running bond (or brick) pattern staggers tiles by half a length in each row, creating a classic, strong visual pattern familiar from brick walls.

Question 5

Acoustic ceiling tiles are specified primarily to achieve which performance goal?

Accepted Answer

Reduced noise transmission between floors and rooms

Answer

Acoustic ceiling tiles are designed to absorb sound and reduce noise reverberation and transmission, improving speech intelligibility and occupant comfort.

Interior Design Practice Test

Interior Design Practice Test

Interior Design Interior Design Materials & Finishes 2