Question

What should be the size of an external door of a residential building?

(a) (1.0 m x 3 m) to (2.1 m x 3 m)

(b) (1.0 m x 2 m) to (1.1 m x 2 m)

(c) (2.0 m x 2.1 m) to (2.1 m x 3 m)

(d) (1.0 m x 2.9 m) to (2.1 m x 3 m)

The question was posed to me in an internship interview.

The above asked question is from Size of Doors in division Doors, Windows and Ventilators of Construction & Building Materials

Answer 1

Correct answer is (b) (1.0 m x 2 m) to (1.1 m x 2 m)

To elaborate: The generally adopted size of an external door of a residential building is (1.0 m x 2 m) to (1.1 m x 2 m). The adopted size of doors for bathrooms and closets is usually (0.7 m x 2 m) to (0.8 m x 2 m).