4.4 Automatic Fuel/Defuel Valve

Question 1

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

Answer 1

7

Question 2

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

Answer 2

60

Question 3

How many ports are in the Automatic Fuel/Defuel Valve

Answer 3

3

Question 4

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

Answer 4

Pressure Reducing Control Valve

Question 5

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

Answer 5

Pressure Relief Control Valve

Question 6

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

Answer 6

Ejector Strainer Assembly

Question 7

Name five tasks of the Automatic Fuel/Defuel Valve.

Answer 7

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

Question 8

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

Answer 8

Pressure Reducing Control Valve

Question 9

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

Answer 9

Flow Control Valve

Question 10

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

Answer 10

Solenoid Operated Pilot Valve (SOPV)

Question 11

There are no _____ positions in the SOPV.

Answer 11

closed