HVAC FC 02
Authored by Johnny Thulin
Other
Professional Development
Used 2+ times
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70 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When may a replacement listed forced air furnace be installed in an existing closet which is less than 12 inches wider than the furnace and with a minimum clear working space not less than 3 inches along sides, back and top of the furnace?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Piping shall be supported at distances not exceeding the spacing specified in the International Mechanical Code. The maximum interval spacing requirement for a 3/4-inch copper-alloy tubing condensate drain line, installed horizontally shall be:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Some old large oil-filled capacitors (found in fluorescent lamp ballasts, and other applications) can leak and create a safety hazard. This dielectric fluid contains what type of material?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A typical psychrometric chart graphs relative humidity in percent, dry bulb and wet bulb temperatures. The dry bulb temperatures shown at the bottom of the chart range from ___.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Constants for heat loads are defined in the text Modern Refrigeration and Air Conditioning for a 4 inch thick concrete slab with no finish as
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the minimum wall thickness for a 1 1/2 inch nominal carbon steel pipe with threaded couplings used to transport liquid Group A1 refrigerant?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A confined space in which a natural gas appliance has a clearance of 1 inch on the sides and back, and 6 inches on the front requires to have a MINIMUM of ____ permanent ventilation openings communicating with outside air.
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