Deck 2: The House As a System

Question 1

____ science is the study of the interaction of building systems and components, occupants, and the surrounding environment, focusing on the flows of heat, air and moisture.

A) Material
B) Architecture
C) Construction
D) Building

Answer 1

Building

Question 2

The ____ approach to design and construction provides contractors and future homeowners with a comprehensive methodology for creating healthy, comfortable, and durable homes.

A) Total System
B) Total House System
C) House as a System
D) Systematic Housing

Answer 2

House as a System

Question 3

One calorie is equal to ____ joules.

A) 4.184
B) 14.487
C) 32.19
D) 49.28

Answer 3

4.184

Question 4

____ days can be seen as the average difference between inside and outside temperatures over the course of a day.

A) Average temperature
B) Heating degree
C) Average degree
D) Cooling degree

Question 5

Heat moves into and out of buildings by three different routes: conduction, ____, and radiation.

A) induction
B) convection
C) expression
D) equilibrium

Question 6

Conduction is the movement of heat through a ____.

A) solid
B) liquid
C) metal
D) fiber

Question 7

Perhaps the most common product to be labeled with an R-value is ____.

A) a pipe
B) copper wiring
C) water
D) insulation

Question 8

Windows are labeled with a ____, which is the thermal transmission or conductance rather than the resistance of a material.

A) T-value
B) U-value
C) W-value
D) Y-value

Question 9

A wall measures 8'*12' and is insulated with R-13. Treat the wall as having continuous insulation (no studs). The temperature inside the home is 72°F, and the outside air temperature is 89°F. What is the conductive heat flow through this wall?

A) 113.08 Btu/hr
B) 125.66 Btu/hr
C) 1190.11 Btu/hr
D) 2121.60 Btu/hr

Question 10

A home's seasonal heating losses can be calculated using the HDD and the ____.

A) U_average
B) R_average
C) U-value
D) R-value

Question 11

____ occur when air (or another medium) continuously circulates around in an enclosed space as it is heated and cooled.

A) Circulars
B) Convective loops
C) Enclosed loops
D) Circular trails

Question 12

All the solar energy that hits an object is either reflected, absorbed, or ____, depending on its particular characteristics.

A) increased
B) rejected
C) transmitted
D) stored

Question 13

____ is one of the most important forces that can affect building performance.

A) Outside temperature
B) Air direction
C) Moisture flow
D) Air flow

Question 14

____ is a critical element in green building, and understanding how to manage its movement into and out of homes is a key piece of the green building puzzle.

A) Air
B) Moisture
C) Heat
D) Energy

Question 15

Most homes built before the 1930s ____.

A) had little or no insulation and leaked badly
B) were over-insulated and never leaked
C) were unable to "breathe"
D) could not dry out easily if they got wet

Question 16

While we want to keep all ____ moisture out of our buildings, the proper level of water vapor helps keep a house comfortable.

A) latent
B) external
C) bulk
D) accumulated

Question 17

The amount of water vapor that diffuses through a building assembly is affected by the following factors: the chemical composition of the building materials, the thickness of the building materials, and the ____ on each side of the building assembly.

A) bulk moisture
B) ventilation
C) absolute humidity
D) heat index

Question 18

Materials can be separated into four general classes on the basis of their permeance. One class, vapor semi-permeable, means ____.

A) 0.1 perm or less
B) greater than 0.1 perm and less than 1.0 perm
C) greater than 1.0 perm and less than 10.0 perms
D) greater than 10.0 perm

Question 19

VDRs are often recommended ____.

A) on the interior in warm humid climates
B) on the interior in cold climates
C) in most mixed climates
D) on the exterior in cold climates

Question 20

Relative humidity is the percentage of the ____ that the air can hold at a specific temperature.

A) vapor
B) maximum moisture
C) bulk moisture
D) minimum moisture

Question 21

All air has a dew point, the ____ at which vapor condenses into water droplets.

A) temperature
B) humidity level
C) energy level
D) moisture level

Question 22

Dry-bulb temperature is the temperature of air indicated on a(n) ____ and does not account for the effects of humidity.

A) sling thermometer
B) aspirating psychrometer
C) ordinary thermometer
D) dry thermometer

Question 23

A grain is a small unit of weight; one pound contains ____ grains.

A) 1,000
B) 6,000
C) 7,000
D) 10,000

Question 24

The building envelope, also referred to as the ____ envelope, is the dividing line between conditioned and unconditioned space in a house.

A) barrier
B) thermal
C) dividing
D) sealing

Question 25

Winter temperatures between ____°F and 77°F with RH levels ranging between 22% and 70% are generally considered to be comfortable for most people.

A) 58
B) 62
C) 65
D) 68

Question 26

Match each statement with item below

-Stored energy, like a gallon of gasoline or a ton of coal.

A)First law of thermodynamics
B)Vapor diffusion retarder
C)Radiation
D)Second law of thermodynamics
E)Potential energy
F)Stack effect

Question 27

Match each statement with item below

-Energy is neither created nor destroyed.

A)First law of thermodynamics
B)Vapor diffusion retarder
C)Radiation
D)Second law of thermodynamics
E)Potential energy
F)Stack effect

Question 28

Match each statement with item below

-Heat moves from high temperature regions to low temperature regions.

A)First law of thermodynamics
B)Vapor diffusion retarder
C)Radiation
D)Second law of thermodynamics
E)Potential energy
F)Stack effect

Question 29

Match each statement with item below

-Transfer of heat from one surface to another via electromagnetic waves.

A)First law of thermodynamics
B)Vapor diffusion retarder
C)Radiation
D)Second law of thermodynamics
E)Potential energy
F)Stack effect

Question 30

Match each statement with item below

-Results because cold air is denser than hot air, so hot air rises.

A)First law of thermodynamics
B)Vapor diffusion retarder
C)Radiation
D)Second law of thermodynamics
E)Potential energy
F)Stack effect

Question 31

Match each statement with item below

-Reduces the amount of moisture that diffuses through building materials into the wall structure.

A)First law of thermodynamics
B)Vapor diffusion retarder
C)Radiation
D)Second law of thermodynamics
E)Potential energy
F)Stack effect