5741274
Descripción
Test por Neil Revollo, actualizado hace más de 1 año
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Creado por Neil Revollo
hace alrededor de 8 años
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Pregunta 1
Pregunta
Hydronic heating systems use water (or water-based solutions) to move thermal energy from where it is produced to where it is needed.
Respuesta
- True
- False
Pregunta 2
Pregunta
Ideally, the water in a hydronic heating system is replaced in the system every year.
Respuesta
- True
- False
Pregunta 3
Pregunta
Providing comfort is the secondary objective of any heating system designer or installer.
Respuesta
- True
- False
Pregunta 4
Pregunta
Properly designed hydronic systems control both the air temperature and surface temperatures of rooms to maintain optimal comfort.
Respuesta
- True
- False
Pregunta 5
Pregunta
Maintaining comfort is simply a matter of supplying heat to the body.
Respuesta
- True
- False
Pregunta 6
Pregunta
A properly designed and installed hydronic system can operate with virtually no detectable sound levels in the occupied areas of a home.
Respuesta
- True
- False
Pregunta 7
Pregunta
Not every heating system consists of devices that convert one form of energy into another.
Respuesta
- True
- False
Pregunta 8
Pregunta
Thermal radiation is probably the least understood mode of heat transfer.
Respuesta
- True
- False
Pregunta 9
Pregunta
The simplest hydronic system can be described as a loop or piping circuit.
Respuesta
- True
- False
Pregunta 10
Pregunta
In single-loop systems, the flow-check valve prevents hot water in the boiler from slowly circulating through the distribution system when the circulator is off.
Respuesta
- True
- False
Pregunta 11
Pregunta
Water has many characteristics that make it ideal for a hydronic system. It is readily available, nontoxic, nonflammable, and has one of the highest __________ storage abilities of any material known to man.
Respuesta
-
heat
-
vapor
-
molecular
-
space efficient
Pregunta 12
Pregunta
Early hydronic systems did not have circulators. Instead, they relied on the __________ of hot water to move water between the boiler and the heat emitters.
Respuesta
-
molecular attraction
-
thermonics
-
hydraulics
-
buoyancy
Pregunta 13
Pregunta
Buildings with hydronic heating systems have shown __________ heating energy use compared to equivalent structures with forced-air heating systems.
Respuesta
-
higher
-
lower
-
equal
-
unquantifiable
Pregunta 14
Pregunta
A given volume of water can absorb over __________ times more heat as the same volume of air for the same temperature change.
Respuesta
-
30
-
300
-
340
-
3400
Pregunta 15
Pregunta
Heat is our perception of atomic vibrations within a material. Our means of expressing the intensity of these vibrations is called _________.
Respuesta
-
harmonics
-
temperature
-
cellular reaction
-
tuning
Pregunta 16
Pregunta
Heat emitters that use fans or blowers to force air through a heat exchanger are usually called fan coils or air _________.
Respuesta
-
handlers
-
tunnels
-
wavers
-
blowers
Pregunta 17
Pregunta
All hydronic heating systems will inherently attempt to find a point of _______ and remain in operation at that point.
Respuesta
-
level capacity
-
even hydraulic flow
-
thermal equilibrium
-
customer comfort
Pregunta 18
Pregunta
In an ideal application, the rate of heat production by the heat source would _________ the rate of heat by the heat emitters.
Respuesta
-
exactly match
-
exceed
-
remain lower than
-
depend on
Pregunta 19
Pregunta
In single-loop systems, the __________ prevents hot water in the boiler from slowly circulating through the distribution system when the circulator is off.
Respuesta
-
diaphragm
-
thermosiphon
-
off switch
-
flow-check valve
Pregunta 20
Pregunta
An air separator is designed to separate air from water and eject it from the system. The process is ________ the water is heated.
Respuesta
-
more difficult if
-
enhanced as
-
not affected if
-
unnecessary if
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