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Promotion Study Material > OPS Bulletins > Flashcards

OPS Bulletins Flashcards

1
Q

Apparatus should be placed at least how many feet from a vehicle fire?

A

Apparatus shall be positioned at least 100 ft from the involved vehicle.

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2
Q

Members shall place their SCBA in service prior to approaching an involved vehicle at a minimum of how many feet?

A

25 feet

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3
Q

Involved Vehicles should be approached from the opposite end of the fuel tank and from a _____ degree angle whenever possible

A

45

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4
Q

A spill of E85 fuel is highly flammable and will be ignited easily by heat or sparks. Responders should isolate the area for at least how many feet in all directions?

A

150 ft

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5
Q

What is recommended for small fires involving E85 fuel?

A

For small fires use dry chemical CO2 water spray or alcohol resistant foam

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6
Q

For a large spill of E85 fuel considered downwind evacuation for at least how many feet

A

1,000 ft

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7
Q

If tank or rail car or tanker truck is involved isolate how far in all directions?

A

1/2 mile

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8
Q

The buses in the Metro Fleet contain how many CNG tanks that operate at how much psi?

A

The bus is in the Metro Fleet contains 7 CNG tanks that operate at 3600 PSI

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9
Q

Where are these tanks located?

A

These tanks are located on the roof

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10
Q

What is the length diameter and weight of the tanks?

A

Each tank is 120 in Long 15.9 inches in diameter and weighs 269 lb

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11
Q

How many PRD’s are located in the roof area?

A

8

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12
Q

At what PSI do the pressure relief devices activate

A

5400 PSI or when the tank is heated to 220° f

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13
Q

How many methane sensors are located on a bus

A

There are four methane sensors located on the bus two were in the tank compartment and two are located in the engine compartment

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14
Q

What are the two modes that the sensors can alert the driver to

A

Significantly and Trace leak if a significant alert is activated the engine will shut down

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15
Q

What is the most practical method of extinguishing a CNG fire

A

Shut off the gas

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16
Q

At what temperature will the extinguishing agent be released on a CNG Metro Bus

A

280° f the system can also be manually activated by the driver which is located near the driver’s position

17
Q

What is added to CNG to give it a distinct odor

A

Mercaptan

18
Q

Where is the fueling compartment Door located on a CNG bus

A

The fueling compartment door is located on the right rear of the bus and contains a fuel shut off located inside the door to shut the system turn the lever 90° or perpendicular to the piping

19
Q

CNG has a flashpoint of _____ degrees Fahrenheit

A

560° f

20
Q

For minor CNG leaks remove ignition sources ____ feet and _____ feet for major leaks

A

100 ft for minor and 300 ft for major

21
Q

What does a high ladder removal kit contain?

A

A high ladder removal kit contains a bag containing 100 ft of half inch static current mantle rope one rope log and a 2:1 mechanical advantage system two swivel pulleys one large rescue carabiner and one small High Point Carabiner and prusik

22
Q

What is the greatest danger after a helicopter crash?

A

Fire

23
Q

Onlookers should be kept a minimum of how many feet away from a helicopter crash scene?

A

1500 ft

24
Q

How much fuel should be expected on any aircraft crash scene?

A

100 gallons

25
Q

True or false. If the landing area will involve a street or through Fair it is important to stop traffic in both directions 150 ft from The Landing site

A

True

26
Q

The lead car in each direction should turn off the vehicle lights true or false

A

True

27
Q

What is the minimum desired diameter for a helicopter landing site?

A

100 ft in diameter

28
Q

When a helicopter is landed you should post a guard at the rear of the aircraft only during the time the helicopter is on the ground just outside of the 100-ft perimeter to alert people of the tail rotor true or false

A

True

29
Q

How much rope is in a retractable tether

A

The retractable tether contains 20 ft of 6 mm Kevlar over polyester rope carried in a flame resistant pouch the search kit will also contain four personal ropes

30
Q

What does the primary search line consist of?

A

The primary search line is 200 ft of 9.5 mm Kevlar over polyester rope carried in a square shaped rope bag Rings or positioned in the Rope at 20 ft intervals these provide attachment point for the personal search rope in order to perform a sweep search there are also not to determine the length of rope each knot represents 20 ft

31
Q

How do the knots slash rings set up established Direction of travel when using a rope assisted search?

A

The not ring setup will also help establish a direction of travel when exiting the search area the knots will come before the ring when entering the search area ring before knots.

32
Q

What is the acronym used for the Roper assisted search procedure

A

RASP

Promotion Study Material (2 decks)

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