Utility

Question 1

Propane has a vapor density of ____ and will ____ in air.
A. 1.40, rise
B. 1.56, sink
C. 0.50, rise
D. 1, mix

Answer 1

1.56, sink
pg 25

Question 2

If the detection equipment shows a CO reading of ___ppm or above, the occupancy shall be immediately evacuated and crews should retreat from the structure and don their SCBA.
A. 10
B. 25
C. 35
D. 50

Answer 2

35
pg 29

Question 3

The continuous movement of free electrons through the conductors of a circuit is called a ____ and is measured in _____.
A. Current, voltage
B. Flow path, amps
C. Current, amps
D. Flow path, voltage

Answer 3

Current, amps
pg 31

Question 4

Electrical burns must be treated at what type of medical center?
A. Level I trauma center
B. Burn Center
C. Free-standing Emergency Department
D. Level II trauma center

Answer 4

Burn Center
pg 43

Question 5

The top line of numbers on a utility pole indicates which number?
A. GPS coordinates
B. Map grid number
C. Pole number
D. Approximate voltage

Answer 5

Map grid number
pg 36

Question 6

During a natural gas related emergency, the curb box shut off may be located by finding which indicators on or near the street?
A. Green painted lines or utility company discs
B. Orange painted lines or utility company placard
C. Red painted lines or utility company placard
D. Yellow painted lines or utility company discs

Answer 6

Yellow painted lines or utility company discs
pg 23

Question 7

When given an order to take care of or secure utilities, what is this referring to?
A. Water
B. Water and electric
C. Electric
D. Electric and gas

Answer 7

Electric and gas
pg 5

Question 8

Miss Utility can be reached by dialing the following number in VA?
A. 411
B. 611
C. 811
D. 911

Answer 8

811
pg 7

Question 9

The ignition temperature for natural gas is?
A. 1000F
B. 1200F
C. 1350F
D. 1500F

Answer 9

1200
pg 8

Question 10

Which of the following is correct regarding pipeline marking systems?
A. Markers show the exact location of the pipeline
B. Pipelines follow a straight line between two markers
C. Signs on the markers do not indicate the commodity transported
D. Markers do not indicate how deep the pipeline is buried or how many lines are in the area

Answer 10

Markers do not indicate how deep the pipeline is buried or how many lines are in the area
pg 10

Question 11

For a reported outside gas leak, a break in what diameter line should the incident be upgraded to a hazardous materials response?
A. 0.5 inch
B. 0.75 inch
C. 1 inch
D. 2 inch

Answer 11

2 inch
pg 14

Question 12

When gas meters are located on the interior, members should be looking for a vent pipe on the outside wall. The vent pipe will likely have a cover screen to keep water, insects, and debris out of the gas relief piping. This piping vent pipe must be withing how many feet of the vent on the inside of the wall?
A. 10 feet
B. 8 feet
C. 5 feet
D. 3 feet

Answer 12

5 ft
pg 22

Question 13

What is considered a momentary outage?
A. An electrical outage lasting two minutes or less
B. An electrical outage that lasts for more than three minutes
C. An electrical outage lasting three minutes or less
D. An electrical outage that lasts for more than two minutes

Answer 13

An electrical outage lasting two minutes or less
pg 2

Question 14

APWA color code Red is for which of the following?
A. Gas, oil, steam, petroleum, or gaseous materials
B. Communications, alarm, or signal lines, cable, or conduit
C. Electric, cable, conduit, and lighting cable
D. Proposes excavation.

Answer 14

Electric, cable, conduit, and lighting cable
pg 6

Question 15

____is a simple hydrocarbon consisting of carbon and hydrogen.
A. Polyvinyl chloride
B. Propane
C. Methane
D. Coal

Answer 15

Methane
pg 8

Question 16

What is the first engine company positioning on a outside gas emergency?
A. Prior to, downwind, and no closer than 100 feet
B. Prior to, down wind and no closer than 50 feet
C. Prior to, upwind and no closer than 100 feet
D. Prior to, upwind and no closer than 50 feet

Answer 16

Prior to, upwind and no closer than 100 feet
pg 13

Question 17

Fire department personnel shall ensure no persons enter a trench more than ____feet deep that is not shored.
A. 3 feet
B. 5 feet
C. 10 feet
D. 15 feet

Answer 17

5 feet
pg 15

Question 18

All non-essential personnel, including firefighters and civilians, shall be kept out of the hot zone. The DOT ERG suggests an evacuation distance of ____feet.
A. 100 feet
B. 150 feet
C. 250 feet
D. 330 feet

Answer 18

330 feet
pg 16

Question 19

Most piping located underground in a curb box is usually at a depth of ____.
A. 2’-3’
B. 3’-5’
C. 4’-8’
D. 8’-10’

Answer 19

2’-3’
pg 23

Question 20

The mercaptan is added at a rate of ____of liquid propane.
A. 1 pound per 1,000 gallons
B. 1 pound per 3,000 gallons
C. 1 pound per 5,000 gallons
D. 1 pound per 10,000 gallons

Answer 20

1 pound per 10,000 gallons
pg 25

Question 21

What is the name of the area that is located between regular use floors, commonly located in hospitals and laboratory type buildings to allow space for the mechanical systems of the building?
A. Cockloft
B. Interstitial Space
C. Mezzanine
D. Utility Shaft

Answer 21

Utility Shaft
pg 41

Question 22

When dealing with an electrical fire in vault, a transformer is labeled “Non-PCB” what is true about that transformer?
A. It does not contain any measurable PCBs
B. It may contain up to 10% PCBs
C. It will not off-gas CO when burning
D. It was made before 1970

Answer 22

It may contain up to 10% PCBs
pg 40

Question 23

Utility poles in Northern Virginia typically are labeled with two sets of numbers, what does the top set of numbers signify?
A. The map grid where that pole is located
B. The specific pole number within a map grid
C. The distance in feet from the nearest pole station
D. The type of utilities on that pole

Answer 23

The map grid where that pole is located
pg 36

Question 24

When dealing with electrical utility emergencies what is considered the safest insulator?
A. Rubber
B. Cloth
C. Time
D. Distance

Answer 24

Distance
pg 35

Question 25

The power lines that run from a pole to a residence are called what? A. Primary lines B. Secondary lines C. Superior lines D. Neutral lines

Answer 25

Secondary lines pg 34

Question 26

When dealing with a downed power line emergency, what is the difference in voltage between two different points? A. Step potential B. Voltage fade C. Resistance profile D. Current difference

Answer 26

Step potential pg 32

Question 27

With regards to electrical shock, what characteristic is the main factor in determining the severity of shock? A. Voltage B. Resistance C. Radiation D. Current

Answer 27

Current pg 31

Question 28

According to the US Environmental Protection Agency, what is an acceptable level of CO exposure in a residential building? A. Up to 10PPM B. 9PPM or less over eight hours C. 35PPM over 24 hours D. 35-75PPM

Answer 28

9PPM or less over eight hours pg 29

Question 29

What defines a concentration that is below the LEL? A. Too much fuel and not enough oxygen B. Too much oxygen and not enough fuel C. Too much fuel and too much oxygen D. Not enough fuel and not enough oxygen

Answer 29

Too much oxygen and not enough fuel pg 4

Question 30

The APWA’s color code yellow indicates what underground utilities? A. Electric, cable, conduit, and lighting cable B. Communications, alarm, or signal lines, cable or conduit C. Gas, oil, steam, petroleum, or gaseous materials D. Reclaimed water, irrigation and slurry lines

Answer 30

Gas, oil, steam, petroleum, or gaseous materials pg 6

Question 31

What is the proper sequence for shutting off utilities in either a leak or a fire situation? A. At the appliance, at the meter, at the curb box B. At the meter, at the appliance, at the curb box C. At the meter, at the curb box, at the appliance D. At the curb box, at the appliance, at the meter

Answer 31

At the appliance, at the meter, at the curb box pg 12

Question 32

When a gas leak is in a line that is reported to be over ___ inches in diameter, the incident should be upgraded to a hazardous materials response. A. Two B. Three C. Four D. Five

Answer 32

Two pg 14

Question 33

Who may attempt to shut off gas service by operating valves in street boxes or manholes? A. Truck company personnel B. Rescue company personnel C. Truck and rescue company personnel D. Only utility company personnel

Answer 33

Only utility company personnel pg 23

Question 34

What is the best course of action to take when an outside propane tank is venting and the product is burning? A. Close the tank valve B. Manually reset the relief valve C. Cool the tank at the vapor space D. Turn the tank over

Answer 34

Cool the tank at the vapor space pg 26

Question 35

When are firefighters allowed to enter underground electric vaults, manholes, and substations? A. Whenever deemed necessary by the IC B. When in the presence of the utility company C. When there is an active rescue D. Never

Answer 35

Never pg 39

Question 36

A sustained outage is when power had been out for more than ____ minutes? A. 20 minutes B. 10 minutes C. 3 minutes D. 2 minutes

Answer 36

2 min pg 3

Question 37

For outside gas leaks, the general rule for apparatus positioning is no closer than ____ft for the first-arriving unit and a minimum distance of ____ft for all other incoming units. A. 150; 350 B. 100; 300 C. 100; 250 D. 150; 250

Answer 37

100; 300 pg 13

Question 38

What is the approved APWA color code for marking communications? A. Purple B. Yellow C. Orange D. Blue

Answer 38

Orange pg 6

Question 39

If an outside gas line over 2 inches in diameter is compromised what must the call be upgraded too? A. Outside gas leak B. Inside gas leak C. Utility Fire D. Hazardous materials response

Answer 39

Hazardous materials response pg 15