Doors and windows

Which of the following is a key advantage of using timber doors in construction?

• A) High resistance to fire

• B) Aesthetic appeal and warmth

• C) Requires no maintenance

What type of timber is most commonly used for high-quality exterior doors?

• A) plywood

• B) Pine

• C)Oak

• D)Mdf

Which of these is a common treatment used to make timber doors more durable?

• A) Painting only

• B) Varnishing and treating with wood preservatives

• C) Applying glue

• D) Scratching to give a rustic look

One drawback of timber doors is that they…?

• A) Cannot be painted

• B) Are difficult to install

• C) May warp or swell with moisture

• D) Have poor insulation properties

Timber doors are generally preferred for…?

• A) Fireproofing areas

• B) Interior spaces due to their aesthetic and acoustic qualities

• C) Industrial settings

• D) High-humidity areas like bathrooms

Which feature makes steel doors suitable for high-security applications?

• A) Lightweight

• B) High strength and durability

• C) Aesthetic versatility

• D) High thermal insulation

Steel doors are often preferred for commercial applications because they…?

• A) Are lightweight and easy to install

• B) Provide enhanced security and fire resistance

• C) Absorb noise effectively

• D) Offer a traditional appearance

Which of the following is NOT typically a feature of steel doors?

• A) High insulation against cold

• B) Resistance to warping and rotting

• C) Fire resistance

• D) High-security capabilities