Author Question: Kilo is the prefix for one thousand (1000). Indicate whether the statement is true or ... (Read 56 times)

rl · **on:** Jul 27, 2018

Kilo is the prefix for one thousand (1000).

Indicate whether the statement is true or false

Question 2

Why do closed hydronic systems include pressure-relief valves, expansion tanks, and temperature and pressure-limiting devices?

A) Because building codes require certain controls on every system
B) Because the copper piping used in the system requires these measures
C) Because freezing must be prevented and antifreeze may not be added
D) Because water expands and contracts as its temperature changes