List of questions
Related questions
Question 289 - CPP discussion
In meeting federal specifications, insulated units must have the following fire-resistant minimum ratings:
A.
Class 150: two hours
B.
Class 150: four hours
C.
Class 350: one hour
D.
Class 350: three hours
E.
Class 350: four hours
Your answer:
0 comments
Sorted by
Leave a comment first