TB Fires 8

Question 1

T/F Immediately upon arrival at an operation on a highway, the OIC must take steps to prevent escalation of the incident in the form of a secondary collision. This includes stopping traffic flow in all lanes of the highway on side of fire/emergency until arrival of PD

Answer 1

True

Question 2

Greatest danger of secondary collision _

Answer 2

During periods of light to moderate traffic volume w/the usual accompanying high speed

Question 3

Wet pavement & weather factors can _ stopping distances

Answer 3

Double the stopping distance

Question 4

During freezing weather- call _ for spreading salt/sand

Answer 4

Sanitation

Question 5

Can both sides of the highway be closed

Answer 5

Where weather conditions or smoke blowing across highway limit visibility, the highway must be closed on both sides

Question 6

Who is assigned on all expressway highway incidents

Answer 6

One Engine, One Ladder from each direction & BC. No fewer than 2 units shall operate at an incident on express highway. At least 1 rig other than pumper used to extinguish fire shall block traffic

Question 7

What must members use at highway emergencies/incident

Answer 7

High Visibility Safety Vest

Question 8

Where should the 1st rig usually be positioned at incident or emergencies on the highway

Answer 8

Rear of incident placed at an angle- exception fire in flammable liquid or hazmat carrier on a grade: Uphill placement

Question 9

If the 1st rig had to go past an emergency where must the 2nd rig be placed?

Answer 9

2nd & 3rd rig if necessary, shall always be placed between oncoming traffic & operating forces

Question 10

Blocking apparatus shall be placed _

Answer 10

At least 50’ behind

Question 11

Who is exempt from wearing high visibility safety vests

Answer 11

Members directly involved & in immediate vicinity of firefighting, Hazmat mitigation, or Technical rescue (Hurst tool). Once their tasks are completed- they are req’d to don safety vests

Question 12

When should flares be used

When should cones be used

Answer 12

Flares- at night & periods of reduced visibility. Do NOT use flares if flammable liquid/gas leaks
Cones- both day & night.

Question 13

How many cones/flares shall be used to block a lane or roadway

Answer 13

4-6

Question 14

What is the proper way to place flares

Answer 14

With vest worn, before leaving rig light 1 flare & carry it lit to proper distance. Furthest flare/cone is placed 1st w/req’d number of flares carried over. Walk on shoulder or divider facing traffic

Question 15

What is the minimum distance furthest flare shall be placed?

Answer 15

Use fastest speed expected (NOT speed limit sign if expected traffic moving faster). Multiply 1st number by 10% and add 60. Ex- 60 mph- 60 X 6 = 360 + 60= 420’

Question 16

The furthest flare/cone is placed_’ from edge of roadway. the next flare is lit & placed equidistant back to scene of operations moving about _’ further into roadway at each point

Answer 16

2’; 2’

Question 17

After traffic is stopped, _ members should place flares/cones

Answer 17

2 FF’s

Question 18

Are flares waterproof

How should flares be carried

Answer 18

No: secure in a dry compartment

Horizontal position & never look directly at lit flare

Question 19

Flares burn approximately

Answer 19

30 minutes

Question 20

Can we operate across a center divider on an express highway

Answer 20

Should be avoided, but if absolutely necessary traffic should be stopped in both directions. ASAP the rig on the opposite roadway should leave

Question 21

For elevated/depressed roadways- PL, AL, TL may be used. How shall they be placed?

Answer 21

Shall NOT extend beyond shoulder where they could be exposed to moving traffic. AL/TL should be cantilevered parallel to elevated roadway

Question 22

How many vehicles shall be chocked

Answer 22

Rig and each car involved in the accident/emergency

Question 23

Fires in the engine compartment- if the hood is difficult to open- what shall be done?

Answer 23

Pry up side of hood & operate stream through this opening. Do NOT attempt to operate through front grill

Question 24

What kind of spray shall be used on magnesium fires

Answer 24

Coarse spray

Question 25

T/F Ladder company members may be used to operate a 2nd HL to protect victims or to protect extrication procedures

Answer 25

True

Question 26

What must always be checked at car fires

At car fires the battery must be disconnected. Remove which terminal 1st?

Answer 26

Trunk for victims or extension

Negative terminal must be removed 1st (black)

Question 27

Can we cut any high voltage cables on hybrid vehicles

Answer 27

Never cut any high voltage cables- they are color-coded to warn you. Most are orange, but some are blue. Avoid contact unless the high voltage battery in back has 1st been disconnected

Question 28

Many hybrid vehicles use keyless start systems. Make sure ignition is off & key is at least _’ away

Answer 28

At least 15’

Question 29

T/F At a hybrid car fire, always make sure that the high voltage battery case is cooled down to prevent re-ignition

Answer 29

True

Question 30

Be aware of shock absorbing bumpers at car fires. Keep onlookers at least _’ away

Answer 30

At least 100’ away from front & rear of vehicle fires. Attack in a flank position
Garbage trucks- No One allowed within 50’ of rear

Question 31

Incorrect motor vehicle fire
A. Approach vehicle from the sides & upwind if possible, and position line between motor vehicle & exposures
B. Fire in an Eng compartment where hood is difficult to open, operate through the front grill
C. Use a coarse spray stream when magnesium parts are on fire. This can be accomplished by removing the tip & partially opening the noz
D. At Van fires, the engine cover in the passenger compartment should be removed from the side after the fire is knocked down

Answer 31

B Do NOT attempt to operate through the front grill

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