Question

question # 24
a refrigerant sensor which will sound an alarm and automatically start a ventilation system in occupied equipment rooms falls under ashrae standard;
a 15
b 34
c 44
d 60

Explanation:

ASHRAE Standard 15 - 2016 covers safety requirements for refrigeration systems, including provisions for refrigerant sensors that sound an alarm and start a ventilation system in occupied equipment rooms.

Answer:

A. 15