Why is low RPM desirable for the prop?
Answer: Prevents blade tips from going supersonic
Engines
- When using an air turbine starter, do you still need electricity?
- Describe two types of igniters.
- Name two types of starters.
- Which type of abnormal start is most dangerous?
- What are the indications of the four types of abnormal starts?
- What is the purpose of a starter?
- What position is the breather pressurizing valve in if you're sitting on the deck?
- What has an aneroid operated spring and bellows valve?
- What does the oil temperature regulating valve do?
- What does a magnetic chip detector do?
- What diverts oil back to the oil pump inlet (foot stomp) if safe operating pressures are exceeded?
- What is the purpose of an oil pump?
- What is inside the oil tank to feed oil regardless of attitude?
- What do oil tanks provide?
- What is a squeeze film?
- Define viscosity.
- What are the time limits for rated thrust?
- What supplies fuel to the afterburner?
- What is the basic purpose of the pressurizing and dump valve?
- What is the purpose of the fuel-oil heat exchanger?
- What does the fuel flow gauge/fuel flow meter do?
- What is the fuel pressure gauge and where is it located?
- What is a boost pump and where is it located?
- What must fuel system designers consider when designing a fuel system?
- What are the flash points for JP-5 and JP-8?