7. Controlling Utilities And Building Systems

Question 1

And a working structure fire_____is one of the best ways in which to protect firefighters and occupants may be trapped inside.

Answer 1

Securing the building’s utilities

Page 177

Question 2

These handheld devices not only detect the presence of combustible gas, they also indicate its concentration. Some of these units express gas detected in parts per million and others as a percentage of the lower explosive limit.

Answer 2

Combustible gas indicator’s

P186

Question 3

The other way that firefighters may help reduce the hazard of the fuel gas leak is by systematically eliminating source of ignition downwind of the leak. This is usually done in areas from which the occupants have been evacuated. Starting from a point within the perimeter that is______from the leak.

Answer 3

Farthest

P188

Question 4

Where power is distributed to the neighborhood through overhead wires from the power grid, buildings main electrical panel is usually located ______where power from a pole mounted transform into the building.

Answer 4

Directly below the weatherhead

P189

Question 5

Storage batteries are a source of flammable ______

Answer 5

Hydrogen gas

P190

Question 6

Came to check unshielded AC current through snow, ice, and many solid objects.

Answer 6

Alternating current detectors

P194

Question 7

Occurs when an insulated conductor is in contact with the ground or there is a kink or damage to the conductor, insulated or not.

Answer 7

Resistance

P195