Fire-rated doors are rated as

A) 3 h, 120 min, 60 min, or 30 min.
B) 4 h, 3 h, 2 h, 1 h, or 30 min.
C) 3 h, 90 min, 60 min, 45 min, or 20 min.
D) 4 h, 3 h, 2 h, or 1 h.
E) none of the above.


C) 3 h, 90 min, 60 min, 45 min, or 20 min.

Trades & Technology

You might also like to view...

? Identify and state the historical significance of the joint resolution.

What will be an ideal response?

Trades & Technology

Azaleas, andromeda, and dwarf rhododendron are commonly used _____

A) as hedges B) as specimen plants C) around foundations D) none of the above

Trades & Technology

What term describes the movement of electrons from one atom to another?

A) Energy transfer B) Electricity C) Chain reaction D) None of these

Trades & Technology

Which of the following terms describes a trucking operation that runs goods from terminal to terminal?

A. Linehaul B. Less than load (LTL) C. Vocational D. Pick-up and delivery

Trades & Technology