6.3

Question 1

*Derived from the word “geo” (earth) and
“thermal” (heat).
*It comes from the process of ___________ elements within the earth’s crust.
*Is not truly a _________.

Answer 1

Geothermal Energy, decay of
radioactive, renewable resource

Question 2

One method used to extract thermal energy
from the earth is called _________.

Answer 2

hydrothermal

Question 3

__________ manifests in the form of
hot springs, geysers, or through dry steam.

Answer 3

Hydrothermal energy

Question 4

Provides direct heat needed for commercial,
industrial and residential uses.

Answer 4

Geothermal Energy

Question 5

______________ is also known as
ground source heat pump (GSHP), earth-coupled
heat pump, or geoexchange system.

Answer 5

Geothermal Heat Pump (GHP)

Question 6

an electrically powered heat pump system that
consists of ______ buried in the shallow ground
near the building, a heat pump, and _______ in
the building.

Answer 6

Geothermal Heat Pump Systems, pipes, ductwork

Question 7

A system of fluid-filled plastic pipes buried in the
ground, or submersed in a body of water, near the building.

Answer 7

Ground loop

Question 8

A device that removes heat from the fluid in the pipes, __________ it, and transfers it to the building as heat. For _______, this process is reversed: heat is transferred from the building; it is carried in the fluid to the pipes, where it is transferred
into the earth.

Answer 8

Heat pump, concentrates, cooling

Question 9

_________ is a type of heating and/or cooling device that draws
heat into a building from outside of the building during the
heating season

Answer 9

heat pump

Question 10

if designed with cooling capability, the heat
pump expels heat from the building to the outside during the
cooling season. T or F

Answer 10

T

Question 11

Conventional ductwork attached to the heat
pump and used to distribute heated or cooled air throughout the
building.

Answer 11

Air delivery system

Question 12

it can be used a heat source or heat sink that can provide heating
and cooling for both residential and commercial buildings.

Answer 12

Geothermal Heat Pump Systems

Question 13

Geothermal heat pump systems are classified by the type of
__________ that they use.

Answer 13

ground loop

Question 14

__________ geothermal heat pump systems circulate a solution of
water and antifreeze through a series of _________ of piping.

Answer 14

Closed-loop, sealed loops

Question 15

The ______ serve as a heat exchange medium between the fluid
and the earth.

Answer 15

loops

Question 16

Can be installed in the ground vertically, horizontally, or in a
body of water.

Answer 16

CLOSED-LOOP SYSTEM

Question 17

• _______________ system uses a number of
  horizontal trenches.

Answer 17

horizontal ground closed-loop

Question 18

__________ designs range from a single pipe, to multiple pipes arranged ________ in a narrow trench, to multiple pipes in a wider trench.

Answer 18

Piping system, vertically

Question 19

________________ is used where there
is little _________, when surface rocks make ________ impractical, or when you want to disrupt the landscape
as little as possible.

Answer 19

Vertical ground closed loop system, yard space, digging

Question 20

Vertical loops are generally more expensive to install, and require more piping than horizontal loops. T or F

Answer 20

F ( but require less)

Question 21

______________ may be the most _________
when a building is near a body of water such as a shallow pond or lake.

Answer 21

Pond closed-loop system, economical

Question 22

Because closed-loop system is a closed system, it results in no adverse
impacts on the aquatic system. T or F

Answer 22

T

Question 23

 it circulates water drawn from a ground.
 a surface water source.
 operate on the same principle as closed loop system.

Answer 23

OPEN- LOOP SYSTEM

Question 24

 also called ________ wells or energy wells.
 the most establish technology.
 typically, _______ in diameter and as deep as _______.
 it serves to provide ________.

Answer 24

STANDING COLUMN WELL SYSTEM, turbulent, 6 inches, 450 m, potable water

Question 25

Under normal circumstances, the water diverted for building
(potable) use is replace by __________ groundwater,
which makes the system act like a true __________.

Answer 25

STANDING COLUMN WELL SYSTEM, constant temperature, open-loop system

Question 26

If the well water temperature climbs too high or drops too low,
water can be ______ from the system to allow groundwater to
restore the well water temperature to the normal operating
range.

Answer 26

BLED

Question 27

 Effectively used anywhere.
 The specific geological, hydrological, and physical characteristics of the site will help determined the best type of ________ for a specific site.

Answer 27

GPH Site Evaluation, ground loop

Question 28

The factor of composition of soil and rock require consideration
when designing ground loop.

Answer 28

GEOLOGY

Question 29

A soil with good heat transfer requires less piping to gather a
certain amount of heat than soil with poor heat transfer
properties. T or F

Answer 29

T

Question 30

The amount of soil available contributes to system
design. T or F

Answer 30

T

Question 31

____________ suppliers in areas with extensive hard rock
or soil too shallow to trench may install vertical ground
loops.

Answer 31

GHP system

Question 32

Horizontal loop is disregarded.

Answer 32

Geology

Question 33

Ground or surface water availability also plays a part in
deciding what type of ground loop to use.

Answer 33

HYDROLOGY

Question 34

Factors such as depth, volume, and water quality,
bodies of water can be used as a source of water for an
__________.

Answer 34

open loop system

Question 35

Can be also a repository for coils of piping in a closed
loop system.

Answer 35

HYDROLOGY

Question 36

________ can also be used as a source for open
loop systems, provided the water quality is suitable and
all groundwater discharge regulations are met.

Answer 36

Groundwater

Question 37

The amount and layout of the land, the __________ and the
_________ of underground utilities also contributes to system
design.

Answer 37

LAND AVAILABILITY, landscaping, location

Question 38

typically used for newly constructed
buildings with sufficient land.

Answer 38

Horizontal ground loops

Question 39

often used for existing building to minimize
the disturbance to the landscape.

Answer 39

Vertical installation

Question 40

 The land typical area required for a groundwater system is
usually not a _______ design factor.
 estimated on a ______ per well, including the presence of
_______ wells, can be calculated.

Answer 40

LAND AREA REQUIREMENTS, crucial, 6m radius, injection

Question 41

___________ systems can base on an average _________ depth of ______ and spacing of _____ between the boreholes.

Answer 41

Vertical closed-loop, borehole, 91m, 5m

Question 42

vertical systems can vary significantly but are usually around to ___________.

Answer 42

10m2/KW

Question 43

Vertical system requires the most land area. The amount of land requires varies with the layout. T or F

Answer 43

F (Horizontal)

Question 44

____________ required to minimize the pumping power.

Answer 44

Piping arrangement

Question 45

It is a manufacturer publish the ratings of their _________ on the
basis of a specific set of standard condition.

Answer 45

ISO 133256-1, heat pump

Question 46

The rating for a closed loop system.

Answer 46

Ground Loop heat pump (GLHP)

Question 47

rating for an open-loop or groundwater system.

Answer 47

Groundwater heat pump (GWHP)

Question 48

In the heating season, a geothermal heat pump supplies ___ to ____
units of useable heat for every unit of electrical energy required
to operate the system. This equates to __ to ___ kilowatt-hours (kWh) of ________ for
every one kWh of electrical energy consumed.

Answer 48

3, 5, 3, 5, free energy

Question 49

A ground-source heat pump is _____ to _____ efficient.

Answer 49

300%, 500%