Which of the following statements about dry-pipe sprinkler systems is MOST accurate?
A) Dry-pipe systems require pressurized air or nitrogen to hold dry-pipe valves open.
B) A disadvantage of dry-pipe systems is that they do not signal an alarm when discharged.
C) Normally, the air-pressure gauge and water-pressure gauge should show the same pressure reading.
D) Accelerators and exhausters are quick-opening devices that allow air to exit and water to enter the pipes quickly.
Correct Answer:
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