Term
| What is the purpose of a cross feed system? |
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Definition
| An interconnected fuel system so that fuel can be fed from various tanks to any engine. |
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Term
| What is WET WING type construction? |
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Definition
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Term
| What is the purpose of a fuel temperature indicator in a turbine-powered aircraft? |
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Definition
| It determines when there may be danger of ice crystals forming in the fuel. |
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Term
| What supports the weight of fuel in a bladder type fuel cell? |
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Definition
| The structure of the cavity that the cell fits into. |
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Term
| What purpose other than reducing weight is accomplished with a fuel jettison system? |
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Definition
| Lateral stability may be obtained with a heavy wing aircraft due to fuel out of balance. |
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Term
| What are two types of fuel tanks? |
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Definition
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Term
| When would the fuel jettison system be required? |
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Definition
| When the maximum takeoff weight exceeds the maximum landing weight |
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Term
| What is the purpose of a fuel dump system? |
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Definition
| To reduce the weight of the aircraft to a specified landing weight. |
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Term
| Why should you wait a period of time after fueling before checking fuel sumps? |
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Definition
| To allow time for water and sediment to settle to the drain |
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Term
| Why is an electronic type fuel quantity gauge more accurate than others? |
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Definition
| It measures weight instead of gallons. |
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Term
| What is the purpose of fuel tank internal baffles? |
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Definition
| It resists fuel surging caused by changes in the attitude of the aircraft. |
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Term
| What are four types of fuel quantity gauges in use today? |
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Definition
Sight glass and mechanical
Electrical and electronic. |
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Term
| What should be done with old gaskets and seals when replacing fuel system components? |
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Definition
| They should be removed and replaced with new ones. |
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Term
| What type of fuel system leak will not be visible by evidence of stains or wet spots? |
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Definition
| An internal fuel leak such as a shutoff, selector and cross feed valve |
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Term
| What method may be used to check a fuel tank for leaks after a patch or weld has been performed? |
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Definition
| Air pressure up to 12 psi and liquid soap to detect any leaks. |
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Term
| What is a pressure fueling system? |
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Definition
| Underwing or single-point fueling system. |
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Term
| What are advantages of single-point pressure fueling? |
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Definition
Reduces chances of contamination and fueling time
Eliminates aircraft skin damage
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Term
| What is an electrically-operated fuel tank shutoff valve in-transit light? |
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Definition
| It indicates when the valve is in motion. |
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Term
| What positions may be selected on a fuel tank selector valve? |
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Definition
On or off, cross feed and fuel tank positions
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Term
| What are drip gauges and sight gauges? |
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Definition
| They are underwing bayonet-type fuel gauges |
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