Hydronic piping systems
is a piping system in which a single main line serves at hot supply and return piping
one pipe system
a device that measures the valve of a controlled variable such as temperature pressure or humidity and transmits
sensor
the contamination of system water with algae, bacterial slime, or fungi
microbial contamination
water flow is expressed in what
GPM
what bird can lift the most weight
a crane
installed in the return lines close to the heat source to modulate the flow to the proper flow needed
Flow control or balancing valves
is an automatic device that monitors or changes system variables
control device
the process of purging air from a hydronic system while filling it with the appropriate HTF
Charging
the volumetric flow rate of water as it moves through a given pipe section
water flow rate
what two words, when combined, hold the most letters
post office
a separate piping configurations connected to the primary loop and supplies HTF to separate heat transfer
secondary circuit or loop
changing characteristics in a system
variables
A professionally installed, balanced, and programmed hydronic system should function properly for many years without
problems
open hydronic systems is the sum of friction head and static head
total head
what has 3 feet but cant walk
a yardstick
a series loop system is commonly used for ____ with a zone with few or no walls or partitions
small residential and commercial
in an analog value, what is the DC voltage range?
0-10
all the records of design, construction, and testing
commissioning documents
L=8.9X12.0
L=106.8'
what word has 3 consecutive double letters
bookkeeper
Primarily the type of copper used in most hydronic systems is manufactured to the requirements of
ASTM B-88 Standard Specification For Seamless Copper Water Tube
analog outputs can also be written to be used as binary outputs by doing this process
making the analog a switch either 0 volts or 10 volts
a piping system should be pressure tested with a pressure of not less than _____ times the operating pressure and not less _____ psi.
1 1/2 and 100
the pressure drop per unit length of pipe giving size of piping at a given fluid flow right
Hydronic pressure drop
I am an odd number. Take away one letter and I become even. What number am I
seven