Fuel head tanks have what gallon capacity?

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Prepare for the Gas Turbine Systems Technician – Mechanical A School Test 1. Study with multiple choice questions that come with hints and explanations. Ace your exam!

Multiple Choice

Fuel head tanks have what gallon capacity?

Explanation:
Fuel head tanks are sized to provide a reliable fuel source to the engine during start and the early phase of operation, even if main feed is momentarily interrupted. A capacity of 1,200 gallons gives enough volume to cover the entire start sequence and initial acceleration, plus handle brief pump-off or attitude changes until the main system takes over. A smaller capacity wouldn’t reliably sustain the engine during that window, while a much larger tank would add unnecessary weight and complexity without adding operational benefit. So, the head tank capacity is 1,200 gallons.

Fuel head tanks are sized to provide a reliable fuel source to the engine during start and the early phase of operation, even if main feed is momentarily interrupted. A capacity of 1,200 gallons gives enough volume to cover the entire start sequence and initial acceleration, plus handle brief pump-off or attitude changes until the main system takes over. A smaller capacity wouldn’t reliably sustain the engine during that window, while a much larger tank would add unnecessary weight and complexity without adding operational benefit. So, the head tank capacity is 1,200 gallons.

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