Chapter 9: Installation of Specific Equipment Flashcards Preview

HVAC/ Mechanical Trainig > Chapter 9: Installation of Specific Equipment > Flashcards

Flashcards in Chapter 9: Installation of Specific Equipment Deck (37)
Loading flashcards...
1

Chapter 9 is primarily applicable to __________ gas utilization equipment.

Non industrial-type

2

Listed gas equipment shall be installed per the __________ or as elsewhere specified in Chapter 9 of the Mechanical code.

Listing and the manufacturer's instructions

3

If the actual ceiling height of a room is greater than 8 feet, the volume of a room is figured on the basis of a ceiling height of ___________.

8 feet

4

Gas engine-powered air conditioners shall not be _______________.

Rigidly connected to the manufacturer's instructions

5

Listed A/C equipment installed in rooms that are large in comparison with the size of the equipment shall be installed with clearances _____________.

Per the terms of their listing and the manufacturer's instructions

6

A/C equipment installed in rooms not large in comparison with the size of the equipment shall be ____________.

listed for that installation

7

Can clearances be reduced using Table 5-3 for A/C equipment installed in rooms not large in comparison with the size of the equipment?

No

8

Clarence fro combustible material of not less than 18 inches is required above, at the sides, front and rear of all ___________.

Unlisted A/C equipment

9

When the furnace plenum is not supplied with the equipment, what procedure shall be followed?

Any plenum fabrication instructions provided by the manufacturer shall be followed

10

Means of interrupting the electrical supply to A/C equipment shall be provided within _____________ feet from the A/C equipment.

Within sight of and not more than 50 feet

11

Central-heating furnaces and low-pressure boiler installations in bathrooms or bedrooms are ________________.

Allowed if they are direct vent type

12

Unlisted central-heating furnaces and low-pressure boilers installed in rooms that are large in comparison with the the size of the equipment shall be installed with clearances of not less than ___________.

Those specified in table 9-1

13

Listed and unlisted central-heating furnaces and low-pressure boilers installed in rooms that are large in comparison with the size of the equipment may be installed with reduced clearences to combustable material provided that ____________.

Combustible material or equipment is protected per table 5-3

14

Clearance to central-heating furnaces a low-pressure boilers shall not interfere with ____________.

Accessibility for servicing

15

Front clearance to central-heating furnaces and low pressure boilers shall be _____________.

Sufficient for servicing the burner and the furnace or boiler

16

Listed central-heating furnaces shall have the clearance from supply ducts within 3 feet of the furnace plenum be not less than __________.

that specified from the furnace plenum

17

Safety limit controls shall not be used as operating controls on ___________.

Steam and hot-water bolilers

18

Means shall be provided for disposal of refrigeration coilcondensate and prevent dripping of condensate on the _______________.

Heating element

19

Trap doors for roof access shall be at least ____________.

22 in. x 24 in

20

Railings around gas equipment on roofs shall be at least __________ inches in height.

42 inches

21

In lieu of providing fixed rails, guards, parapets. etc., gas equipment installed on roofs shall have at least a _________ foot clearance from any part of the equipment and the edge of a roof or similar hazard.

6 feet

22

All stationary gas engines ________ be rigidly connected to the gas supply.

Shall not

23

Appliances located on roofs or other elevated locations shall have which type of access?

Accessible

24

Unless other means acceptable to the AHJ are used, equipment on roofs or buildings more than 15 feet in height shall _____________.

have an outside means of access to the roof

25

How must Type 1 and Type 2 clothes dryers be exhausted?

Shall be exhausted to the outside air

26

Unless listed for reduced clearances, listed Type 1 clothes dryers shall be installed with a minimum clearance of ________ inch(es) from adjacent combustible materials.

6 inches

27

Makeup air with a minimum free area of 1 square inch for each 1,000 Btu/hr total input rating of the dryer installed is a code requirement for which type of dryer?

Type 2 clothes dryer

28

What material must exhaust ducts for Type 1 clothes dryers be made out from?

Shall be rigid metallic material

29

What material must exhaust ducts for type 2 clothes dryers be made from?

0.0195 sheet metal or other noncombustible material

30

Where clothes dryer exhaust ducts pass through walls, floors, or partitions, the space around the duct shall be ________.

Sealed with noncombustible material.