Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
What precautions are required when mounting any gas furnace on a wood platform in an attic:
|
NONE |
|
The gas control valve may be damaged if exposed to an inlet pressure above. |
14 IN W.C. |
|
How many elbows and joints should a vent connector have:
|
As few as possible to reduce resistance. |
|
The technician is installing a vent system for a condensing gas furnace. The furnace is several feet from a gas water heater. What conditions, if any may the technician route the exhaust of the furnace into the exhaust vent of the water heater: |
Under no conditions may you use the water heater exhaust vent.
|
|
How may a technician terminate the intake and exhaust for proper operation of a high efficiency gas furnace when using scheduled 40 PVC pipe:
|
By using the specific manufacturers termination kit or make one to meet their requirements.
|
|
When suspended with metal strap and no saddle, flexible duct should be: |
Supported with a minimum strap width of 1/2" |
|
A technician is installing a gas furnace and the customer has decided not to install an air conditioner. Making this decision, the affect it will have on the installation of the supply ductwork is: |
Adequate space should be allowed for addition of a coil in the future when feasible |
|
Leveling a Mercury bulb is: |
Critical |
|
Spray-type atomizing humidifiers are installed to:
|
Discharge moisture into the supply duct.
|
|
Electronic air cleaners (EAC) installed in a gas furnace system should be wired so they:
|
Only operate any time the EAC On-Off switch is turned to ON.
|