Aircraft Engine Quiz

What section of the engine can the highest pressure air by found?

• The compressor

• The Combustor

• The Diffuser

The high pressure compressor is referred to as the?

• N1 Compressor

• N2 Compressor

• HP Compressor

Air entering the diffuser is travelling at speeds up to?

• 100 feet per second

• 500 feet per second

• 700 feet per second

Swirl vanes in the combustor do what to the air flowing through them?

• Slow the air to 5 feet per second

• Speed the air to 500 feet per second

• Supply air required for cooling

What percentage of the compressor air is designated as primary?

• 5%

• 25%

• 75%

Primary air in the combustor is used for?

• Combustion

• Cooling

• Flame propagation

Secondary air in the combustor is used for?

• Combustion

• Cooling

• Flame propagation

Flame propagation tubes are found in

• Multiple can combustors

• Annular combustors

• Afterburners

Which of the following combustor is most efficient?

• Annular

• Can-annular

• Multiple - can

High airflow rates in the combustor can cause?

• Heat localized cracking

• Fuel nozzle clogging

• Flameout