Part # 2 Flashcards
- 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 (Correct
b. Short out gas valve
c. None of the above
d. Short cycle main burner
- On a 120 volt receptacle, the line connection terminals are:
a. Green
b. Silver
c. Gold (C is the correct)
d. Black
- On a 120 volt receptacle, the ground connection terminals are:
a. Green (A)
b. Silver
c. Gold
d. Black
- Which Canadian Electrical Code Rules apply to circuits supplying power to heating equipment that uses solid, liquid or gaseous fuels?
a. Rules 10-200 to 10-202
b. Rules 26-602 to 26-610
c. Rules 16-802 to 16-808
d. Rules 26-802 to 26-808 (d)
- What is the minimum clearance between the front, back and sides of a commercial clothes dryer and a combustible material?
a. 12”
b. 24”
c. 18” (c)
d. 36”
- What is a combination wrench?
a. Adjustable and opened end
b. Socket end and box end
c. Open end
d. Box end and Open end (d)
- A vent passing through a roof line with a zero pitch should extend by?
a. 2ft (a)
b. 3ft
c. 4ft
d. 6ft
- What do thin, equally spaced, broken lines indicate on a technical drawing?
a. Wiring
b. Future lines
c. Drain and vent lines
d. Hidden lines (D)
- A thermostat closes on:
a. Temperature Drop (A)
b. Pressure Drop
c. Temperature Difference
d. Temperature Rise
- What is the minimum clearance needed to service a gas appliance?
a. 1.5 Feet
b. 2 Feet (B)
c. 36”
d. 30”
- Which best defines the term specific gravity:
a. None of the above
b. A comparison between the weight of a volume of gas (liquid) and equal volume of air (water) (B)
c. A comparison between the gravity at sea levels and the gravity at the installation elevation
d. A comparison between the speed at which items fall and the speed at which a steel ball falls
