fx | week 03 review

Question 1

what is an all-air hvac system?

Answer 1

a system that cools or heats spaces by conditioned air alone.

Question 2

how does an all-air system dispribute air?

Answer 2

an all-air system distributes air to a space with supply + return ducts.

Question 3

what is a variable air volume (vav)?

Answer 3

an hvac system that varies air flow at a constant or varying temperature.

Question 4

what is required when a fire wall is penetrated?

Answer 4

a fire damper is required to automatically close to block the spread of fire.

Question 5

what type of heating system circulates water over coil units in order to deliver heat?

Answer 5

an all-water heating system.

Question 6

what type of hvac system uses ductwork to supply fresh air and water to heat / cool the air before entering a space?

Answer 6

a terminal reheat system or combination hvac system

Question 7

what is a chase?

Answer 7

an enclosed vertical space used to accommodate ducts or pipes.

Question 8

what function does a mixing box serve?

Answer 8

• adjusts the quality or temperature of air going into a space from main air supply lines
• reduces the velocity of air
• attenuates noise

Question 9

what type of wall includes two runs of studs, separated by several inches?

Answer 9

a chase wall.

Question 10

what is a toilet carrier?

Answer 10

steel framework that is bolted to the floor inside a pipe chase wall and carries the weight of wall-hung toilets.

Question 11

describe the five levels of a plenum.

Answer 11

1. building structure
2. hvac equipment
3. sprinkler + plumbing piping
4. recessed luminaires
5. ceiling

Question 12

what is an access door?

Answer 12

small, steel doors that allow access to the plenum above a hard ceiling.

Question 13

what is a slot air diffuser?

Answer 13

a long, narrow diffuser containing 2 - 8 slots.

Question 14

what is the range of widths for a slot diffuser?

Answer 14

3” - 8”

Question 15

in what case would one specify a slot diffuser?

Answer 15

when the appearance of the air distribution device needs to be minimized.

Question 16

what is the term for two or more plastic-insulated conductors encased in a continuous spiral-wound strip of steel tape?

Answer 16

a flexible metal-clad cable.

Question 17

what are the other names for a flexible metal-clad cable?

Answer 17

• armored cable
• bx
• flex

Question 18

what is the term for a thin, plat wire laid under a carpet without protruding?

Answer 18

under-carpet wiring.

Question 19

what is grounding?

Answer 19

a method that prevents dangerous shock if someone touches an appliance with a short circuit.

Question 20

what is a ground fault interrupter?

Answer 20

a device that detects small current leaks and disconnects the power to the circuit or appliance.

Question 21

what is an arc fault circuit interrupter?

Answer 21

a device intended to provide protection from the effects of arc faults. functions to de-energize the circuit when an arc fault is detected.

Question 22

other than a power plan or floor plan, what other drawings could outlet locations be included?

Answer 22

ff+e plans for coordination with furniture placement.

Question 23

what two major components do plumbing systems consist of?

Answer 23

1. water supply
2. drainage

Question 24

what is the term for the plumbing mechanism that catches and holds water to provide a seal that prevents gases from the sewage system from entering the building?

Answer 24

a trap

Question 25

what are the three main objectives of building fire protection + life safety?

Answer 25

1. protection of life 2. protection of property 3. restoration of the building

Question 26

what is compartmentation?

Answer 26

the containing of a fire and limiting its spread, allowing occupants to escape and protect other parts of the building.

Question 27

what is nfpa 30?

Answer 27

standard for the installation of sprinkler heads

Question 28

what are the four types of fire extinguishers?

Answer 28

a. ordinary combustibles b. flammable liquids c. electrical equipment d. combustible metals

Question 29

what is a sole proprietorship?

Answer 29

a company owned by an individual and operates under the individual's name or company name.

Question 30

what are advantages of a sole proprietorship?

Answer 30

- ease of setup - total management control by owner - tax advantage

Question 31

what are disadvantages of sole proprietorship?

Answer 31

- owner is liable for all debts + losses - difficult to raise capital + establish credit

Question 32

what type of business structure consists of two or more people sharing in management, profits, and risks?

Answer 32

general partnership

Question 33

what are disadvantages of a general partnership?

Answer 33

- all partners are liable for the actions of others - income is taxed at individual rates

Question 34

limited partners are simple investors that ___________.

Answer 34

receive a cut of the product.

Question 35

what is a corporation?

Answer 35

group of individuals, created by statuary requirements, existing independently from its members.

Question 36

stockholders in a corporation are liable for what?

Answer 36

stockholders are responsible for their investment in the group.

Question 37

what does professional liability insurance cover?

Answer 37

the designer in case a designer's action causes bodily harm or property damage.

Question 38

what does general liability insurance cover?

Answer 38

protection against claims against property damage, liability, or personal injury caused by the designer / employee.

Question 39

what does property insurance cover?

Answer 39

protects the designer's building and its contents against disaster.

Question 40

what does personal injury protection insurance cover?

Answer 40

protects the designer against claims of slander, libel, defamation, etc.

Question 41

what is the term for the summary of all assets + liabilities and shows the financial position of a business?

Answer 41

balance sheet

Question 42

how would one calculate revenue?

Answer 42

revenue = profit + expenses

Question 43

how would one calculate profit?

Answer 43

profit = revenue - expenses

Question 44

what is a sales tax license?

Answer 44

a document that allows the designer to pass state sales tax onto the client.

Question 45

what act requires equal pay for all employees with the same work duties?

Answer 45

the equal pay act.

Question 46

what act protects employees from unfair labour practices by employees?

Answer 46

the national labour relations act.