4.4 Automatic Fuel/Defuel Valve Flashcards

1
Q

How many components are in the Automatic Fuel/Defuel Valve?

A

7

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2
Q

The Ejector Strainer Assembly has a mesh monel screen that is rated at what?

A

60

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3
Q

How many ports are in the Automatic Fuel/Defuel Valve

A

3

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4
Q

What kind of valve is a direct-acting globe type valve that is spring loaded open?

A

Pressure Reducing Control Valve

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5
Q

What kind of valve is a direct-acting globe type valve that is spring loaded closed?

A

Pressure Relief Control Valve

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6
Q

In the Automatic Fuel/Defuel Valve what controls the fuel valve by acting as an eductor?

A

Ejector Strainer Assembly

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7
Q

Name five tasks of the Automatic Fuel/Defuel Valve.

A
  1. ) acts as a fueling valve
  2. ) acts as a defueling valve
  3. ) pressure reducer to maintain stable flow
  4. ) pressure relief valve for pressure extremes
  5. ) emergency fuel shutoff valve controlled by the nozzle operator
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8
Q

What can be adjusted from 10-100 psi to maintain a constant delivery pressure at the nozzle?

A

Pressure Reducing Control Valve

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9
Q

What limits flow off of the fuel valve cover chamber to prevent the fuel valve from opening to quickly?

A

Flow Control Valve

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10
Q

What is the major controlling component of the automatic fuel/defuel valve?

A

Solenoid Operated Pilot Valve (SOPV)

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11
Q

There are no _____ positions in the SOPV.

A

closed

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