Operating Emergency Vehicles

Question 0

Factors that lead to collisions

Answer 0

Overconfident , not recognizing the situation, sense of false security, not knowing app capabilities, lack of knowledge.

Question 1

Percent of injury and death occur while responding

Answer 1

20-25 percent

Question 2

How long to wait for oil pressure to rise once app is started

Answer 2

5-10 sec

If not holding pressure shut rig down immediately.

Question 3

Gear and rpm selection.

Answer 3

Gear should allow you to keep up with traffic while allowing for acceleration if needed

Rpm- 200-300 lower than max recommendation to prolong engine life

Question 4

Idle rpm to warm up engine in cold weather.

Answer 4

900-1,100

Question 5

Cool down time for engine before shut off

Answer 5

3-5 minutes

Question 6

Key points to as driving

Answer 6

Attitude, safety conscious, do not demand right of way, yield to avoid collision. Take advantage of openings

Question 7

Seatbelt exceptions

Answer 7

Pt care, loading hose, training tillerman

Question 8

Loading hose while driving

Answer 8

Safety officer to have visual with loader and verbal with D/O

Question 9

Warning method when backing with no warning device

Answer 9

2 horn blasts

Question 10

Safe crossing intersection rules

Answer 10

Slow to a speed capable of stopping
Complete stop for blind intersections
Eye contact with other drivers if possible

Question 11

Visual lead time while driving

Answer 11

10 sec ahead on residential

20 ahead on highway

Question 12

Stopping distance

Answer 12

Drivers reaction time + total stopping distance

Question 13

Main cause of skids

Answer 13

# 1Driver error - too fast, no anticipating, inappropriate brake use
Mechanical  too high tire inflation

Question 14

Front brake limiting system

Answer 14

Slippery road/ dry road button
Reduced air pressure by %50 to front suspension
Older rigs rarely used today

Question 15

ATC

Answer 15

Automatic traction control
Adjust engine speed and pressure to air brake system
Give more torque to traction wheels

Question 16

Stopping distance in snow and ice

Answer 16

3-15x longer to stop

Question 17

Automatic snow chain limitations

Answer 17

Will not work in 8in or more of snow
Slow speeds
Reverse

Question 18

Interaxle differential lock

Answer 18

Allows for each axle to work at different speeds to increase traction

Question 19

Audible device distances

Answer 19

40 mph 300 ft
50 possible to outrun audible device
60 mph 12 ft

Question 20

Distance between multiple responding vehicles

Answer 20

300-500 ft

Question 21

Preemption devices

Answer 21

Strobe light emitters

• if not automatic with parking brake. Must turn off when on scene
• white light show signal received.
• microphone - audible device on traffic light.
• white light on signal will indicate signal received blue if another vehicle activated other direction first.