NORA Oil Technician Manuel Chapter
3 QUESTIONS N ANSWERS
External Corrosion - correct answer ✔✔ Caused by electrical activity that occurs between
different parts of the tank; between the tank and its piping; or between the tank and other
metals in the are.
Anode, Cathode, and electrolyte - correct answer ✔✔ What 3 things are needed for external
corrosion to occur?
Internal Corrosion - correct answer ✔✔ Caused by sludge produced by bacteria.
Condensation, broken tank gauges (outside tank), loose or missing fill and vent caps, pumping
oil from an old tank into a new tank, and failing to drain water from a tank before installation. -
correct answer ✔✔ The most common causes of water in tanks are:
Size, where it will be installed, and type of tank - correct answer ✔✔ When installing a new oil
tank 3 things that should be put into consideration is:
True - correct answer ✔✔ Larger tanks will build up more water from condensation.
Inside a building—usually in the basement, utility room or garage, outside aboveground, inside
underground - correct answer ✔✔ Where are the 3 possible locations for a tank installation?
1/3 - correct answer ✔✔ In general, the right size tank is one that holds about ___________ of
the customer's annual consumption.
3 QUESTIONS N ANSWERS
External Corrosion - correct answer ✔✔ Caused by electrical activity that occurs between
different parts of the tank; between the tank and its piping; or between the tank and other
metals in the are.
Anode, Cathode, and electrolyte - correct answer ✔✔ What 3 things are needed for external
corrosion to occur?
Internal Corrosion - correct answer ✔✔ Caused by sludge produced by bacteria.
Condensation, broken tank gauges (outside tank), loose or missing fill and vent caps, pumping
oil from an old tank into a new tank, and failing to drain water from a tank before installation. -
correct answer ✔✔ The most common causes of water in tanks are:
Size, where it will be installed, and type of tank - correct answer ✔✔ When installing a new oil
tank 3 things that should be put into consideration is:
True - correct answer ✔✔ Larger tanks will build up more water from condensation.
Inside a building—usually in the basement, utility room or garage, outside aboveground, inside
underground - correct answer ✔✔ Where are the 3 possible locations for a tank installation?
1/3 - correct answer ✔✔ In general, the right size tank is one that holds about ___________ of
the customer's annual consumption.
