F02 Sprinkler Systems 2

Question 1

What color coding indicates a sprinkler head with a 200°F activation temperature?

Accepted Answer

Green

Answer

Uncolored/black

Answer

White

Answer

Blue

Question 2

What is the purpose of the main drain test on a sprinkler system?

Accepted Answer

To verify adequate water supply and detect obstructions

Answer

To empty the system for maintenance

Answer

To test individual sprinkler heads

Answer

To check the fire alarm connection

Question 3

What is an obstruction investigation in a sprinkler system?

Accepted Answer

An internal inspection of sprinkler pipes for blockages from debris, corrosion, or foreign materials

Answer

Checking for furniture blocking sprinkler heads

Answer

Inspecting exit routes for obstructions

Answer

Checking fire doors for proper closure

Question 4

What is the minimum clearance required between stored materials and sprinkler deflectors?

Accepted Answer

18 inches

Answer

6 inches

Answer

12 inches

Answer

24 inches

Question 5

What component prevents water from flowing backward from the sprinkler system into the public water supply?

Accepted Answer

Check valve or backflow preventer

Answer

Gate valve

Answer

Pressure relief valve

Answer

OS&Y valve

Question 6

When should spare sprinkler heads be kept on the premises?

Accepted Answer

At all times, with at least 6 spare heads of each type installed in the building

Answer

Only during fire watches

Answer

Only when the system is more than 10 years old

Answer

Spare heads are never required