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DC Flashcards > DC 307 > Flashcards

DC 307 Flashcards

1
Q

What does air blowing out of a sounding tube indicate?

A

Possible flooding in the tank

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2
Q

What does air sucking into a sounding tube indicate?

A

Possible fire in the tank

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3
Q

What is an indication of an abnormal sounding reading?

A

+/- 6inches

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4
Q

What is an AEL used for?

A

Inventory of a kit bag

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5
Q

What is the process of supporting the bulkheads, decks, and overhead of a compartment to prevent metal fatigue, sagging, and bulging?

A

Shoring

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6
Q

What is not contained in a shoring kit?

A

Sounding tape

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7
Q

What sizes do metal shoring come in?

A

3-5 ft and 6-11 ft

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8
Q

Both models of metal shores fully collapsed have a maximum weight capacity of _____ lbs?

A

20,000 lbs

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9
Q

What are the advantages of metal shoring over wood shoring?

A

Metal shoring is adjustable

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10
Q

What types of wood are used for shoring?

A

Douglas fir and yellow pine

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11
Q

Why are Douglas fir and yellow pine used as wooden shoring?

A

Because they expand when wet

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12
Q

What are the most utilized types of shoring?

A

H-type, I-type, & K-type

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13
Q

Which type of shoring is the strongest?

A

I-type shoring

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14
Q

When is H-type shoring used?

A

To fit around obstacles

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15
Q

What is not a part of a carpenter square?

A

The arm

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16
Q

What is a “strong back”?

A

A bar or beam of wood or metal, often shorter than the shore, used to distribute pressure evenly over a surface requiring shoring, or serve to anchor a patch over a hole

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17
Q

What is a “shole”?

A

A flat plate,which may be placed under the toe end of a shore, used to distribute pressure or weight and anchor a shore

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18
Q

What is a “shore” ?

A

A portable beam for reinforcing or adding strength to a bulkhead

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19
Q

What is a “wedge”?

A

A block that has triangular sides and a rectangular butt end

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20
Q

What is the maximum length of a shore?

A

30x its minimum butt thickness

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21
Q

Shore angle should never exceed what degrees?

A

90°

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22
Q

What is the maximum length of a wedge?

A

6x its minimum butt thickness

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23
Q

Why are wedges used for shoring?

A

To tighten and hold shoring in place

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24
Q

What is an uncorrected run of shore?

A

Bulkhead to anchor point

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25
Q

What is a corrected run of a shore?

A

Subtracting the width of the strongback, wedge, and box patch

26
Q

For soft patch marlin material, extend ____ inches past both sides of gasket material

A

2

27
Q

A _____ rupture is a rupture with no protruding edges located on the straight section of the pipe

A

Simple

28
Q

An _____ rupture is a rupture with no protruding edges located on the curved side of the pipe

A

Elbow

29
Q

A_____ rupture is a rupture having protruding edges, ruptures in fittings, mangled pipes, and similar piping damage

A

Compound

30
Q

A_____ _____is when a section of pipe that has been completely separated

A

Severed pipe

31
Q

What must be done after performing a pipe repair?

A

Perform an op check to test for leaks

32
Q

An Ewarp patch has a maximum psi of ___?

A

150 psi

33
Q

Always wear _____ _____ while installing an Ewarp soft patch

A

Latex gloves

34
Q

An Ewarp patch is made of _____?

A

Fiberglass

35
Q

What is the cure time for an Ewarp?

A

30mins

36
Q

How long must Ewarp be soaked for?

A

20secs

37
Q

Ewarp patches can only be used on _____ _____.

A

Firemain pipes

38
Q

Always wear a _____ _____ when using a banding kit.

A

Face shield

39
Q

What is the primary purpose of the p-100 pump?

A

Firefighting

40
Q

What is the secondary purpose of the p-100 pump?

A

Dewatering

41
Q

Use a __ inch ____ ______, ___________ hose with the p-100 pump

A

4 inch hard rubber, non-collapsable

42
Q

What type of fuel does the p-100 pump use?

A

JP5

43
Q

What type of fire hose is used with the p-100 pump?

A

1 - 1(1/2) inch fire hose

44
Q

What is the maximum suction lift of the p-100 pump?

A

50ft

45
Q

What is the fuel tank capacity of the p-100 pump?

A

2.45 gal

46
Q

A perijet has a ___ inch valve and an ___ inch discharge

A

2.5 ; 8

47
Q

A perijet extracts water using the_____ effect

A

Venturi

48
Q

What is the rated capacity of the P-100?

A

83gpm @ 100 psi

49
Q

What does ESP stand for?

A

Electrical submersible pump

50
Q

What is the ESP powered by?

A

440 volts

51
Q

Who is allowed to operate an ESP?

A

Only the repair party electricians

52
Q

When operating an ESP in tandem, which must be started first?

A

Start with the bottom one first

53
Q

T/F: The ESP must be primed by the operator before every use?

A

True

54
Q

T/F: you can rig an ESP with a peri-jet?

A

True

55
Q

What should you not pump with an ESP?

A

Oil or fuel contaminated water

56
Q

What is used to keep large objects out of the ESP?

A

A “Y” type strainer

57
Q

A peri-jet has a ___ inch inlet and a ___ inch discharge?

A

2.5 inch; 4 inch

58
Q

How many jets are inside the Peri-Jet?

A

6

59
Q

Peri-jet can pass what size debris?

A

2 and 1/2 inch

60
Q

How many jets are inside the s-type educator?

A

1 jet

DC Flashcards (1 decks)

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