Which type of construction consists of structural members of approved noncombustible or limited combustible materials with specified fire resistance ratings for exterior bearing walls of 3 or 4 hours?

Which type of construction consists of structural members of approved noncombustible or limited combustible materials with specified fire resistance ratings for exterior bearing walls of 3 or 4 hours?

A. Type I

B. Type II

C. Type III

D. Type IV

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Answer: A

Explanation:

The correct answer is

A. Type I construction consists of structural members of approved noncombustible or limited combustible materials with specified fire resistance ratings for exterior bearing walls of 3 or 4 hours. This is the highest level of fire resistance among the five types of construction defined by NFPA 220: Standard for Types of Building Construction.Type I construction is typically used for high-rise buildings made of concrete and protected steel12