Chapter 6 - specific appliances

Question 1

The design of the installation shall include adequate provision to permit, direct fired industrial air heaters to operate at rated capacity by taking into account the structures, design, infiltration rate, providing properly design, relief openings, or an interlock power exhaust system or a:

Answer 1

or a combination of these methods

Question 2

Dryer exhaust systems shall be _____ of all other systems, and shall convey the moisture, and any products of combustion to the outside of the building.

Answer 2

Independent

Question 3

Ducts that exhaust clothes dryers shall not penetrate or be located within any fire blocking, draft stopping or any wall, flooring or ceiling or other assembly required by the international building code unless duct is constructed of

Answer 3

Galvanized steel, or aluminum

Question 4

Dryer installations exhausting more than ____ a minute shall be provided with make up air.

Answer 4

200 ft.³

Question 5

Where a closet is designed for the installation of a clothes, dryer, an opening having an area of not less than ________ shall be provided in the closet enclosure, or make up air shall be provided by other approve means

Answer 5

100 in.²

Question 6

Dryer duct shall be a minimum of what size

Answer 6

4 inches

Question 7

Dryer ducts shall have a smooth interior finish and shall be constructed of metal not less than:

Answer 7

0.016 inches thick

Question 8

Transition ducts shall not be more than_____ long

Answer 8

8 feet

Question 9

The maximum length of the dryer exhaust duct shall be:

Answer 9

35 feet

Question 10

Where the dryer exhaust duct equivalent length exceeds 35 feet, the equivalent length of the exhaust duct shall be identified on a permanent label or tag located within _____ of the exhaust duct

Answer 10

6 feet

Question 11

Sauna heater shall be equipped with a thermostat that will limit room temperature to:

Answer 11

194°F

Question 12

If the thermostat is not an integral part of the sauna heater, the heat sensing element shall be located within

Answer 12

6 inches of the ceiling

Question 13

The letters indicating the harmful effects of the sauna for any persons and pour house shall be how tall

Answer 13

Not less than 1/4 inch

Question 14

Outdoor air inlets for residential portions of a building shall be covered with a screen, having what size openings?

Answer 14

1/4 inch

Question 15

Suspended type unit heaters shall be installed with clearances to combustible materials not less than_____ on the sides

Answer 15

18 inches

Question 16

Suspended type unit heater shall be installed with a clearance to combustibles of not less than _____ at the bottom

Answer 16

12 inches

Question 17

Suspended type unit heater shall be installed with clearance to combustibles of not less than _____ above the top where the unit heater has an internal draft hood

Answer 17

6 inches

Question 18

Unvented room heaters shall be equipped with

Answer 18

Oxygen depletion – sensitive safety shut off systems

Question 19

For oxygen depletion sensitive shut off systems, the system shall shut off a gas supply to the main pilot burner when the oxygen in the surrounding atmosphere is depleted to the percentage, concentration specified by the manufacturer, but not lower than

Answer 19

18%

Question 20

The oxygen depletion sensitive safety shut off. System shall not incorporate field adjustment means capable of.

Answer 20

Changing the setpoint

Question 21

A minimum clearance of _____ shall be maintained between the cooking top and combustion materials above the hood.

Answer 21

24 inches

Question 22

The minimum width of a cooktop hood should be

Answer 22

As wide as the cooktop itself

Question 23

Means for interrupting the electrical supply to the air-conditioning appliance and it’s associated cooling tower in a location remote from the air conditioner shall be provided with insight and not over

Answer 23

50 feet from the air conditioner

Question 24

When unvented, infrared heaters are installed, natural, or mechanical means shall provide an outdoor ventilation air at a rate of not less than

Answer 24

Four CFM per 1000 BTU of the aggregate input rating of all such heaters installed in the space

Question 25

For all infrared heaters exhaust openings for removing flue products shall be

Answer 25

Above the level of the heaters

Question 26

For gaseous hydrogen systems, piping shall not be installed in or through

Answer 26

A circulating air duct, clothes, shoot, chimney, or gas vent, ventilating, duck, dumbwaiter, or elevator shaft

Question 27

For gashes hydrogen systems piping shall not be concealed by the surface of

Answer 27

Any wall or ceiling

Question 28

For a floor furnace, the lowest part must have at least a 12-inch clearance on every side but the control side, which must have a clearance of at least ______ inches.

Answer 28

18”

Question 29

Unvented infrared heaters require an outdoor air-ventilation rate of at least ______ cfm per 1,000 BTU/h of aggregate input rating.

Answer 29

4 cfm

Section 630 Infrared Radiant Heaters 630.3 (IFGS) Combustion and ventilation air

Question 30

A wall furnace may not have casing extension boots installed unless:

Answer 30

Listed as part of the appliance.

608.5 Ducts prohibited.

Question 31

A way to supply outside ventilation at a rate of at least ________ per 1,000 BTU/h of rated input of the heater must be incorporated into direct-fired industrial air heaters.

Answer 31

4 cubic feet per minute

Question 32

A way to supply outside ventilation at a rate of at least ________ per 1,000 BTU/h of rated input of the heater must be incorporated into direct-fired industrial air heaters.

Answer 32

4 cubic feet per minute

Question 33

A sauna room is required to have a permanent notice outside warning users that the maximum time in the sauna is ______ minutes.

Answer 33

30

Question 34

An air-conditioning appliance must have a means to interrupt the electricity, a maximum of ______ from the appliance and within sight.

Answer 34

50