The air removal devices used in small hydronic systems can be classified as either high point vents or ____.
a. “bleeders”
b. central air separators
c. “coin vents”
d. deaerators
b. central air separators
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There are several national training programs that focus on incident response tools and techniques.
Answer the following statement true (T) or false (F)
A(n) ____________________ is similar in construction to a builder’s level, but has a telescope mounted on a horizontal pivot so that it can be rotated vertically to measure vertical angles.
Fill in the blank(s) with the appropriate word(s).
Mixing valves control the final temperature of radiant loops:
A) By mixing the hot water from the boiler with the cold water from the chiller. B) By bleeding off some of the hot water before it enters the loop. C) By mixing the hot boiler water with fresh makeup water. D) By mixing the hot boiler water with cooler return water.
To figure the total weight that a wall supports, you should divide the area being supported by the weight.
Answer the following statement true (T) or false (F)