A company should take great care in deciding which suppression agent and system is best for it. Four main types of water sprinkler systems are available: wet pipe, dry pipe, preaction, and deluge. Which of the following has an incorrect description?

A.
Wet pipe – Contain water in the pipes and are usually discharged by temperature control level sensors.

B.
Dry pipe – The water is contained in a "holding tank" until it is released.

C.
Preaction – A thermal-fusible link on the sprinkler head has to melt before the water is released.

D.
Deluge – Sprinkler heads wide open to allow a larger volume of water to be released over a long period.

Explanation:
Deluge – Sprinkler heads wide open to allow a larger volume of water to
be released over a short period.