Residential Installations and codes (110104h)

Question 1

The safety of the workers and job sites is governed by which code?

Answer 1

OH & S

Question 2

The installation of gas appliances and piping is governed by which code?

Answer 2

B149.1-05 CAN/CSA
Natural gas and propane installation code

Question 3

The part of the job where the pentrations to the exterior are installed is the?

Answer 3

Rough in stage

Question 4

The part of the job where the furnace is placed in a permanent position is the?

Answer 4

Ductwork stage

Question 5

Whose responsibility is it to ensure the job is done properly and to the applicable code?

Answer 5

The installer

Question 6

The clearance between an exhaust hood and regulator vent on natural gas or propane line coming into a building is?

Answer 6

3 feet or 1 meter 39 inches in real job site

Question 7

Hoods to the exterior should be minimum how far off ground?

Answer 7

18 inches

Question 8

What size is dryer vent?

Answer 8

4 inches

Question 9

What size is range hood?

Answer 9

6 inch

Question 10

What size of duct hanger is used on return air duct?

Answer 10

10 inch

Question 11

What size of duct hanger is used on hot air duct?

Answer 11

11 inches

Question 12

What is the easiest way to open drive cleats ?

Answer 12

With a screwdriver

Question 13

What does hrv stand for?

Answer 13

Heat recovery ventilation

Question 14

What does ABC stand for?

Answer 14

Alberta building code

Question 15

What does the ABC ( Alberta building code) list?

Answer 15

A list of technical requirements for buildings constructed in alberta.

Question 16

What is the agency that tests furnaces?

Answer 16

CSA or
Underwriters Laboratories or
Underwriters Laboratories of Canada

Question 17

What does the heat loss calculation determine?

Answer 17

Size of furnace used

Question 18

What are 3 different types of installations for an hrv unit?

Answer 18

No separate ductwork
Separate intake ductwork
Stand alone system

Question 19

What does SMACNA mean?

Answer 19

Sheet Metal and Air conditioning Contractors National Association

Question 20

In the sheet metal trade the governing codes that are to be followed would fall under the?

Answer 20

National or Provincial codes

Question 21

Once the house is framed what should the sheet metal worker do?

Answer 21

Rough in

Question 22

Once the house has concrete what can the sheet metal worker do?

Answer 22

Basement ductwork

Question 23

What does a range hood remove from a home?

Answer 23

Moisture, airborne greases and oils

Question 24

What type of venting is used for high efficiency furnaces?

Answer 24

Pvc 636

Question 25

Which air can only be drawn through metal ducting or piping?

Answer 25

Supply

Question 26

What is the purpose of a fire stop?

Answer 26

To stop any fire that may travel inside the chase

Question 27

What else is required for a high efficiency furnace?

Answer 27

A line to the floor drain

Question 28

When setting a furnace what connects to the hole that has to be cut into the side?

Answer 28

Return air Filter rack

Question 29

Dryer vent joints are secured with?

Answer 29

Foil tape

Question 30

After an inspection what should be on site after installation has passed?

Answer 30

Passed inspection tag

Question 31

What is the clearance required for the front of the furnace?

Answer 31

24 inches

Question 32

The ABC (Alberta Building Code) requires rectangular duct that is over 12 inches to be what?

Answer 32

Cross broken

Question 33

Building construction standards specific to alberta are covered by which code?

Answer 33

ABC (Alberta Building Code)

Question 34

Which agency conducts tests and writes standards specifically for HVAC?

Answer 34

SMACNA

Question 35

What agency conducts tests and certifies products used by consumers?

Answer 35

CSA and ULC

Question 36

Which agency conducts tests and writes standards related to fire protection?

Answer 36

NFPA National Fire Protection Association

Question 37

The part of the job where the thermostat is mounted permanently is?

Answer 37

Final stage

Question 38

Single wall vent connector on wood burning appliances requires what clearances to combustibles?

Answer 38

18 inch

Question 39

The clearance between fresh air hood and regulator vent on a natural gas or propane line into a building?

Answer 39

10 feet

Question 40

When should vent pipe for a bath fan be insulated?

Answer 40

When it passes through an unheated attic space

Question 41

Exhaust hoods should have what?

Answer 41

A damper to reduce the amount of air coming back into the building when fan is not running

Question 42

What should be installed around return air inlets?

Answer 42

Return air rail Return air frame

Question 43

What is used to position underslab piping?

Answer 43

Metal stakes

Question 44

Return air hangers are cut to what size?

Answer 44

2 inches longer than the sides of duct they are used for

Question 45

Supply air hangers are currently to what size?

Answer 45

3 inches longer than the side of the supply duct

Question 46

What is required for a heat loss calculation?

Answer 46

Blueprints

Question 47

What is the purpose of a heat loss calculation?

Answer 47

To determine furnace size

Question 48

What is minimum clearance for B vent?

Answer 48

1 inch

Question 49

What is minimum clearnace for L vent?

Answer 49

3 inch

Question 50

What is minimum clearance for A-vent?

Answer 50

2 inch

Question 51

What is the minimum clearnace for c vent (liquid fuel)?

Answer 51

18 inches

Question 52

What is the minimum clearnace for c vent (gas appliances)?

Answer 52

6 inches

Question 53

What is the minimum clearnace for c vent (solid fuel)?

Answer 53

18 inches

Question 54

What does an insulation stop do?

Answer 54

Makes sure insulation does not contact the vent pipe

Question 55

What is minimum gauge for a 6 inch pipe?

Answer 55

30 gauge

Question 56

Where should a roof jack be fastened?

Answer 56

On the high side of the roof

Question 57

Why should more air be supplied to a crawl space than is drawn in to the return?

Answer 57

So the space is pressurized