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17 Cards in this Set
- Front
- Back
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What type of fuel pumps are used for engine feed in the FWD and AFT reservoir tanks of a fighter aircraft? |
Dual-impeller, electrically driven |
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What type valve is the cross feed valve on a fighter aircraft? |
Fuel pressure-operated gate |
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What position would you place the ENGINE FEED switch in order to correct a fuel imbalance caused by too much fuel in the FWD fuel system of a fighter aircraft? |
FWD |
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What pumps must be operating to use body tank fuel to feed the engines on a tanker aircraft? |
Air refueling |
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What valves must be open to feed all engines from the centre wing tank on a tanker aircraft? |
Tank to manifold |
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What causes fuel to transfer from the reserve tank on a tanker aircraft during flight? |
Gravity |
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Why is the output pressure and the flow ratings of a centrifugal pump greater than the amount the system needs? |
Provide an ample supply of fuel in case of a single pump failure |
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What type centrifugal pump is used when fuel supply is required during negative gravity conditions? |
Dual-impeller |
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What item prevents FO from holding the bypass valve open in a dual impeller pump? |
An inlet screen |
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What does the arrow stamped on the body of a check valve indicate? |
Direction of fuel flow |
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What feature keeps excessive pressure from building up in trapped lines or within the body of a sliding gate valve? |
Thermal relief valves |
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What type of seal is placed between the disc and valve body on a disc type valve? |
O-ring |
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The best method for troubleshooting a fighter engine feed system component you suspect of leaking is to... |
Pressurise the manifold with fuel and check for leaks |
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What is first checked when troubleshooting a boost pump on a fighter aircraft? |
Direct fuel pressure reading of the pump |
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On a tanker aircraft, what prevents an engine from running out of fuel and flaming out if it's main tank is hit by small arms fire? |
Crossfeed system |
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You are troubleshooting a malfunction of the crossfeed system on a tanker aircraft when you determine there is no pressure available to route fuel to the crossfeed manifold. the most probable cause is... |
A malfunctioning boost pump |
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What is the most probable cause when the circuit breaker for a SOV continues to pop? |
The valve motor has shorted out |
