HYDRONIC HEATING AND COOLING:
SELF TEST
1.-What-is-the-primary-purpose-of-a-heating-system?---ans-✔✔b)-To-provide-comfort-to-
the-individuals-in-the-space.
2.-What-is-the-greatest-advantage-of-hydronic-heating-over-any-other-system?---ans-
✔✔b)-multiple-zoning
3.-What-is-a-heated-area-that-is-regulated-by-one-circulator,-control-or-thermostat?---ans-
✔✔c)-zone
4.-What-is-the-name-of-the-pump-used-mainly-on-hydronic-heating-systems?---ans-
✔✔Centrifugal-pump
5.-A-4-way-mixing-valve-will-ensure-a-constant-_______through-the-boiler-system---ans-
✔✔Supply-of-tempered-water
6.-When-a-4-way-valve-is-used,-the-flow-rate-through-the-boiler-remains-constant.---ans-
✔✔a)-true
7.-A-reset-control-measures-outdoor-temperature-and-calculates-a-supply-temperature.---
ans-✔✔a)-true
8.-Electronic-feedback-controls-use-liquid-filled-sensing-bulbs-and-capillary-tubes-as-
outdoor-sensors.---ans-✔✔b)-false
9.-What-is-the-purpose-of-a-wild-loop-in-a-hydronic-heating-system?---ans-✔✔It-ensures-
minimum-circulation-throughout-the-system,-allowing-pump-action-and-there-is-no-dead-
heading-of-the-pump.
10.-Name-three-(3)-devices-that-may-be-used-to-accommodate-the-expansion-and-
contraction,-due-to-heating-and-cooling-of-the-fluid-in-a-hydronic-system.---ans-✔✔A)-
open-expansion-tank
B)-closed-expansion-tank
C)-diaphragm-tank
SELF TEST
1.-What-is-the-primary-purpose-of-a-heating-system?---ans-✔✔b)-To-provide-comfort-to-
the-individuals-in-the-space.
2.-What-is-the-greatest-advantage-of-hydronic-heating-over-any-other-system?---ans-
✔✔b)-multiple-zoning
3.-What-is-a-heated-area-that-is-regulated-by-one-circulator,-control-or-thermostat?---ans-
✔✔c)-zone
4.-What-is-the-name-of-the-pump-used-mainly-on-hydronic-heating-systems?---ans-
✔✔Centrifugal-pump
5.-A-4-way-mixing-valve-will-ensure-a-constant-_______through-the-boiler-system---ans-
✔✔Supply-of-tempered-water
6.-When-a-4-way-valve-is-used,-the-flow-rate-through-the-boiler-remains-constant.---ans-
✔✔a)-true
7.-A-reset-control-measures-outdoor-temperature-and-calculates-a-supply-temperature.---
ans-✔✔a)-true
8.-Electronic-feedback-controls-use-liquid-filled-sensing-bulbs-and-capillary-tubes-as-
outdoor-sensors.---ans-✔✔b)-false
9.-What-is-the-purpose-of-a-wild-loop-in-a-hydronic-heating-system?---ans-✔✔It-ensures-
minimum-circulation-throughout-the-system,-allowing-pump-action-and-there-is-no-dead-
heading-of-the-pump.
10.-Name-three-(3)-devices-that-may-be-used-to-accommodate-the-expansion-and-
contraction,-due-to-heating-and-cooling-of-the-fluid-in-a-hydronic-system.---ans-✔✔A)-
open-expansion-tank
B)-closed-expansion-tank
C)-diaphragm-tank
