Part #1 Flashcards
- List a common material that can produce an atmosphere corrosive to gas fired equipment:
a. Refrigerant
b. Cleaner
c. Solvents
d. All of the above
- Is it necessary to purge each branch supply line in a pipe system?
NO, or yes the answer is yes
- When is a certificate required in order to install or service a propane appliance?
a. (correct) When installing or servicing an appliance in other than one’s own residence
b. When servicing a portable appliance for one’s own use
c. When installing an appliance in one’s own single-family detached dwelling
d. Always
- What is the ignition temperature of natural gas?
a. 1020 F
b. 1300 F
c. 900 F
d. 1000 F
(b is the correct answer)
- What are transformers which produce a secondary voltage which is lower than the primary called?
a. Step-Up Transformers
b. Auto Transformers
c. Neutral Transformers
d. Step-Down Transformers
(d is the correct answer)
- What is the weight of one gallon of propane?
a. 4.2
b. 41.51
c. 1.42
d. 15.41
(a is the correct answer)
- The configuration of a “Hi-Boy” forced air gas furnace has:
a. Supply air exiting at the top and return air entering at the top
b. Return air entering at the top and supply air exiting at the bottom
c. Supply air entering at the bottom and return air exiting at the top
d. Supply air exiting at the top and return air entering at the bottom
(D is correct)
- How is the area of a circle calculated?
a. Square the radius and multiply by Pi
b. Take the radius and multiply by Pi
c. Square the diameter and multiply by Pi
d. Take the diameter and multiply by Pi
(a)
- What is the type of analyzer?
a. The tube type
b. The pocket type
c. The liquid type
d. Both A and C
(d)
- If the heat anticipator of a thermostat is set to low what probable condition would exist when the heating unit is operating?
a. Short out heat anticipator
b. Short out gas valve
c. None of the above
d. Short cycle main burner
(a)
- On a 120 volt receptacle, the line connection terminals are:
a. Green
b. Silver
c. Gold
d. Black
(c)
