Part 3 Flashcards
1
Q
- Which type of pilot is supervised by a primary safety control which must sense the presence of the pilot flame prior to gas being admitted to the main burner?
A
a. Intermittent Pilot
b. Flame safeguard control
c. Monitored Pilot System
d. Proved Pilot (D)
2
Q
- How is natural gas delivered to the end user?
A
a. Pipes (A)
b. High pressure
c. Cylinder
d. Low Pressure
3
Q
- Size the piping system shown in figure below, what is the pipe load of pipe B?
A
a. 70 kW
b. 40 kW
c. 10 kW
d. 50 kW (D)
4
Q
- If a circuit is wired so that electrons can flow in only one possible path, the circuit is said to be a/an:
A
a. Incomplete circuit
b. Series-parallel circuit
c. Parallel circuit
d. Series Circuit (D)
5
Q
- What is the explosion limit of natural gas?
A
a. 4% to 15% (A)
b. 10% to 1%
c. 0.4% to 0.14%
d. 3% to 15%
6
Q
- Power is measure in:
A
a. Volts
b. Amps
c. Ohms
d. Watts (D)
7
Q
- If you install a 2 inch diameter nipple for a dirt pocket, what would be the minimum depth?
A
a. 5”
b. 3 1/2”
c. 3” (C)
d. 4”
8
Q
- Convert 40 Celsius to Fahrenheit:
A
a. 4.04 F
b. 40 F
c. 94 F
d. 104 F (D)
9
Q
- What color code is type K copper pipe?
A
a. Blue
b. Red
c. Green (C)
d. Yellow
10
Q
- What is the regulator authority that oversees the safety of both natural gas and propane?
A
a. Service Building
b. Industrial Building
c. Commercial Building (C)
d. Institutional Building
