070103C - Hydronic Heating Systems

070103C - HYDRONIC HEATING
SYSTEMS



Which-of-the-following-piping-materials-are-suitable-for-hot-water-heating?

a)-steel-pipe,-DWV-copper-tube,-PB-tubing
b)-steel-pipe,-Type-M-copper-tube,-PVC-tubing
c)-steel-pipe,-Type-L-copper-tube,-ABS-tubing
d)-steel-pipe,-Type-M-copper-tube,-PEX-tubing---ans-✔✔d)-steel-pipe,-Type-M-copper-
tube,-PEX-tubing

To-what-does-the-term-cross-linked-refer?---ans-✔✔Process-of-manufacturing-pipe.

What-is-one-advantage-of-using-grooved-piping-and-fittings-rather-than-threaded-steel-
pipe-and-fittings?---ans-✔✔Easy-to-disassemble.

What-is-one-advantage-of-using-copper-tube-rather-than-threaded-steel-pipe-and-
fittings?---ans-✔✔Superior-flow-characteristics.

Which-of-the-following-copper-tube-is-not-approved-for-hydronic-heating?---ans-✔✔Type-
DWV

What-is-the-name-of-the-piping-system-in-which-the-heating-transfer-units-are-part-of-the-
piping?---ans-✔✔Series-loop.

What-is-the-name-of-the-piping-system-in-which-the-heating-transfer-units-are-supplied-by-
specialty-tees?---ans-✔✔One-pipe.

What-is-the-name-of-the-piping-system-in-which-the-first-heat-transfer-unit-supplied-is-also-
the-first-returned?---ans-✔✔Two-pipe-direct-return.

What-is-the-name-of-the-piping-system-in-which-the-water-has-approximately-the-same-
distance-to-travel-for-each-heat-transfer-unit?---ans-✔✔Two-pipe-reverse-return.

What-is-a-major-disadvantage-of-a-one-pipe-system?---ans-✔✔End-heat-transfer-units-
receive-cooler-water.