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Inspector 2022 > Training Bulletin 4 > Flashcards

Training Bulletin 4 Flashcards

1
Q

What is the percentage of fuel that tanker trucks transport

A

90%

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2
Q

Who regulates transportation of tanker trucks?

A
  • DOT through National highway traffic safety administration.
  • Bureau of carrier safety
  • Office of HAZMAT
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3
Q

What is the order of primary responsibility with tanker truck transportation?

A
  • Life
  • Property
  • Environment
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4
Q

What is a safety concern when opening valves?

A

Opening valves may open vents which could cause larger spills

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5
Q

What types of material are all tanker trucks designed to carry?

A
  • Flammable liquids
  • Combustible liquids
  • Class B poisons
  • Liquid food vapor less than 3 PSI
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6
Q

How many gallons does a single tank truck with 2 axles store?

A

3000 gallons

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7
Q

How many gallons does a single tank truck with 3 axles store?

A

5000 gallons

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8
Q

How long are tank tractors with a semi trailer connected by a fifth wheel?

A

40ft long

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9
Q

How many gallons can a tank tractor with a semi trailer store?

A

9000 gallons

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10
Q

How long are tank trucks pulling a two axle trailer?

A

Each truck and trailer tank is approximately 20 feet long

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11
Q

How many gallons can a tank truck pulling a two axle trailer store?

A

Truck tank-4200
Trailer tank-4800
9000 total

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12
Q

What shape are the non pressurized liquid tanks?

A

Elliptical shaped

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13
Q

How thick is the aluminum on non pressurized liquid tanks? Where is it thickest?

A

3/16 of an inch. On the bottom

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14
Q

What are double bulkheads used for?

A

Used for different products with different flash points

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15
Q

Where is the plumbing and valves for off loading product located?

A

Under the tank

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16
Q

Where are the manhole and vapor recovery valves located?

A

On top of tank

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17
Q

Prior to up-righting a full tanker, what must be done?

A

Off load product first

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18
Q

What is the purpose of baffle in the tank?

A

They are for strength. They do very little to reduce surge of the product

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19
Q

Due to leaks, what may have been done to the bulkheads?

A

They may have been illegally plugged

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20
Q

What needs to happen if fluid is suspected in the void space?

A

HAZMAT Task force will drill and pump compartment

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21
Q

What is the reason for the space above each compartment?

A

It’s a vapor compartment-it allows for expansion

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22
Q

What is located on top of the tank? Particularly in case of a rollover

A

Reinforce rails

23
Q

product is off loaded through gravity through what?

A

Internal valves

24
Q

What position do the internal valves default ?

A

Closed position

25
Q

How is the internal valve open?)

A

By overcoming the heavy spring pressure that utilizes either air, hydraulic or mechanical power

26
Q

How is an emergency shut down accomplished

A

By activating switches located at the left front corner & at the main panel on the right sidež

27
Q

Exterior piping is constructed with what?

A

Built in shear points

28
Q

Shear points are engineered to?

A

Fail upon impact, before damage can occur to internal valves &plumbing

29
Q

What is the PSI for the pressure relief valves on tanks?

A

3-5 PSI

30
Q

Smaller single tanks are designed to make ___ deliveries?

A

Multiple

31
Q

How far should you eliminate potential ignition sources of you have a potential leak?

A

Minimum of 100 feet

32
Q

Before disconnecting or disabling a battery, the LEL must be below what?

A

10LEL

33
Q

What size hose should be used if the vehicle or tire is on fire?

A

1 1/2 hose (125GPM) minimum

34
Q

For an immediate life hazard or rescue operation, what type of water should be used?

A

Foam! Plain water is acceptable if foam is not available or delayed

35
Q

What is the danger of directing the cooling stream into the flames or into the cargo tank?

A

It will cause the burning fuel to overflow and spread the fire

36
Q

Before starting any extinguishment operations, it is imperative to get what in place?

A
  • apparatus
  • personnel
  • equipment
37
Q

How is AR AFFF applied?

A

In a soft arc

38
Q

How many feet does fuel burn per hour?

A

1 foot

39
Q

How many hours will it take to burn off 4 feet of fuel?

A

4 hours

40
Q

At what degrees will tanks melt?

A

1,200 degrees

41
Q

What is the gross weight of gasoline tank vehicle, and product?

A

80,000 gallons

42
Q

For uprighting ops, how many commercial tow wreckers are required?

A

2-20 ton commercial tow wreckers

43
Q

Off loading of fuel requires HAZMAT to do what?

A

Drill a 4” hole through aluminum tank

44
Q

How many gallons of class B foam do LAFD foam tenders carry?

A

1000 gallons

45
Q

Any request for a foam tender should trigger what?

A

The dispatching of a second foam tender

46
Q

100 square feet of burning liquid would require how many gallons of concentrate at 3%?

A

31 gallons

47
Q

What sizes are available for vacuum trucks?

A

2,500 & 5,000 gallons

48
Q

Vacuum trucks can hold approximately how much of their rated capacity?

A

90%

49
Q

How many 5,000 gallon vacuum trucks should be ordered for up to 9,000 gallons?

A

3 vacuum trucks

50
Q

How many 5,000 gallon trucks should be ordered for up to 4,800 gallons?

A

2 vacuum trucks

51
Q

How many cleanliness standards are there when referring to vacuum trucks?

A

3 standards

52
Q

What is considered a “dirty” vacuum truck?

A

Tank is empty of product, but it has not been cleaned

53
Q

What is considered a “clean” vacuum truck?

A

Tank is empty of product and has been washed with water, but there is a possible trace of water and product from the previous load

54
Q

What is considered a “super clean” vacuum truck?

A

Tank has been chemically cleaned and is free of product.

Inspector 2022 (7 decks)

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