Not quite. The answer is C: 5 lbf.
IBC 1010.1.3 limits interior swinging egress doors other than fire doors to 5 lbf (22 N) to push or pull open, not counting latch retraction. 15 lbf is the latch-release and full-open force for other doors, and also the push or pull unlatch limit. 30 lbf is the set-in-motion force for other doors. 28 is the rotating-hardware limit in inch-pounds, not a pounds-force figure.
0 of 1 right so far.
Question 2 of 10.
For glazing adjacent to a door under IBC 2406.4.2, the 24-in. arc is measured from either vertical edge of the door with the door in what position?
A: Closed
B: Open 45 degrees
C: Fully open against its stop
D: Open 90 degrees
NEXT: A · B · C · D
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