NCAA mechanics questions

[IK13]

1. No

From the PAVO manual:

The ball is not considered out
of play until it contacts an object outside the court or is not
legally returned under Rule 15.1.1.1. The first referee will
whistle when the ball becomes dead. When a team's
second or third team contact sends the ball over or outside
the antenna, whistle and signal “out” immediately.

2.
From the rulebook

9.2.4.2.1 When an intermission is used (See Rule 8.4.2.4), the first referee
dismisses the team to their respective benches. (See Signal 31, Official’s
Mechanics.)