Chapter IX Flashcards

1
Q

Most AFFF’s are premixable,__________ compatible, and can be used with either fresh or salt water.

A
  • dry chemical
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2
Q

Regular fog nozzles will agitate the foam to expand the foam, but for best results you should use a good____________

A
  • air aspirating nozzle
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3
Q

An around the pump system needs to have a minimum pressure of___at the pump inlet to prevent the system from shutting down due to back pressure

A
  • 10 psi
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4
Q

Air aspirating nozzles produce an expansion ratio of between_______ and______.

A
  • 8:1, 10:1
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5
Q

This type of foam is designed for use on warehouses or other enclosed spaces, such as airport hangers.

A
  • Synthetic detergent foam
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6
Q

The principle of operation for a balanced pressure system is based on a modified venturi proportioner called a__________

A
  • ratio controller
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7
Q

Protein foams work in temperatures that range from________ degrees Fahrenheit

A
  • 20-100
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8
Q

Hydrocarbons are the byproducts of crude oil or have been extracted from___________

A
  • vegetable fiber
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9
Q

Protein foams are made by the hydrolysis of granulized animal protein, such as hooves and horns, as well as_________ and beaks.

A
  • feathers
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10
Q

Which the following is a drawback of protein foam

A
  • Protein foams have a slow knockdown ability
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11
Q

Large fuel tanks and chemical plants use these because they deliver large amounts of foam at an accurate rate

A
  • Balanced pressure systems
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12
Q

Three Dimensional Fires are

A
  • liquid fire being discharged from an elevated position

- or is under pressure

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