Ammonia Quiz #2 Review

Flashcards covering pipe specifications, safety regulations, and code requirements from Ammonia Quiz #2.

Where must emergency remote controls (2) for Ammonia machinery rooms be located?

Immediately outside of the machinery room

Under what condition may rupture discs only be used?

Installed in series with a relief valve

If an Ammonia system has components designed for $-20\text{ degrees F}$, the piping must meet the requirements of which standard?

ASME B31.5

What are two types of pipe allowed for Ammonia liquid lines?

A106 and A333

What four types of pipe are allowed for Ammonia vapor lines?

A53, A312, A106, and A333

Type F buttweld pipe may only be used on which part of an Ammonia system?

Discharge line of an Ammonia pressure relief device when discharging to atmosphere

All Ammonia threaded pipe must meet what minimum schedule?

Schedule 80

In a public hallway or lobby of commercial occupancies, Ammonia systems shall be limited to what maximum system capacity?

$$3.3\,\text{Lbs.}$$

1. Ammonia evaporators located downstream from a heating coil, or located upstream within___ inches of a heating coil, must be fitted with a pressure relief device discharging to the outside of the building.

$$18\,\text{in}$$

What minimum time does a quarter turn Ammonia valve actuator require to travel from open to close?

$$60\,\text{seconds}$$