The dry pipe valve and supply pipe _____ against freezing and mechanical injury.

The connection pipe from the air supply to the dry pipe valve shall not be less than _____ in diameter and shall enter the sytem aove the priming water level of the dry pipe valve.

For deluge systems, the detection devices or systems shall be _____ supervised.

________ shall not be used in lieu of heated valve enclosures to protect the valve and supply pipe from freezing.

A ________ with a connection conforming to section 16.7 shall be provided on each wet pipe system utilizing metallic pipe.

Dry pipe systems are _______ than wet pipe systems and require greater attention regarding their design, installation, and maintenance.

For dry pipe systems protecting dwelling unit portions of any occupancy, system size shall be such that initial water is discharged from the connection in not more than ____, starting at the normal air pressure on the system and at the time of fully opened inspection test connection.

Dry pipe systems that are limited to a maximum volume of 500 gallons (or 750 gallons with a quick opening device) have _____ water delivery time limit.

Unless __________, check valves shall not be used to subdivide the dry pipe systems.

In refrigerated spaces maintained below 5°F, normal system air pressure shall be permitted to be restored within ___ minutes.

A single air compressor supplying multiple dry pipe systems is _____ to restore all systems simultaneously.

A ________ shall be installed in the air filling connection.

Each dry pipe system shall have ______.

Removal of an electric actuator from the preaction or deluge valve that it controls shall result in an _______.

For single and non-interlock preaction systems, not more than ___ automatic sprinklers shall be controlled by any one preaction valve.

If a fire protection system installed prior to 2012 still uses antifreeze in the system, you must at a minimum _______.