Podcast
Questions and Answers
What type of fire point is desirable for hydraulic fluids?
What type of fire point is desirable for hydraulic fluids?
- Medium
- Low
- High (correct)
- Variable
Which type of fluid is mainly used in small aircraft hydraulic systems?
Which type of fluid is mainly used in small aircraft hydraulic systems?
- MIL-H-5606 (correct)
- MIL-H-83299
- MIL-H-83287
- MIL-H-83283
What type of filter element is typically cleaned and replaced in hydraulic systems?
What type of filter element is typically cleaned and replaced in hydraulic systems?
- Paper-type filters
- Activited carbon filters
- Metal mesh filters (correct)
- Nylon filters
What is the primary source of energy in an aircraft hydraulic system?
What is the primary source of energy in an aircraft hydraulic system?
What does a nonpositive displacement pump do when it rotates?
What does a nonpositive displacement pump do when it rotates?
What does an actuator do in the context of hydraulic systems?
What does an actuator do in the context of hydraulic systems?
What is the function of an actuator in a hydraulic system?
What is the function of an actuator in a hydraulic system?
Why do most reservoirs in aircraft hydraulic systems have baffles and/or fins?
Why do most reservoirs in aircraft hydraulic systems have baffles and/or fins?
What is the typical range of operating pressures for aircraft hydraulic systems?
What is the typical range of operating pressures for aircraft hydraulic systems?
Which of the following is NOT a main category of hydraulic fluids?
Which of the following is NOT a main category of hydraulic fluids?
What is the primary function of filters in a hydraulic system?
What is the primary function of filters in a hydraulic system?
Where is bleed air used to pressurize the hydraulic tank taken from?
Where is bleed air used to pressurize the hydraulic tank taken from?
What is the function of seals in a hydraulic system?
What is the function of seals in a hydraulic system?
Which of the following statements regarding hydraulic fluids is TRUE?
Which of the following statements regarding hydraulic fluids is TRUE?
What does the fire point of a liquid represent?
What does the fire point of a liquid represent?
Why is chemical stability an important property when selecting a hydraulic fluid?
Why is chemical stability an important property when selecting a hydraulic fluid?
What is the flash point of a substance?
What is the flash point of a substance?