021.03 HYDRAULICS

Question 1

The accumulator in a hydraulic system works as a(n) (volume/enery/fluid/pressure)​ storage.

Answer 1

The accumulator in a hydraulic system works as a(n) (enery) storage.

Question 2

The normal hydraulic pressure of large transport aircraft is (…) ​PSI.

Answer 2

The normal hydraulic pressure of large transport aircraft is (3000) ​PSI.

Question 3

To prevent total system loss in case of a hydraulic leak, a modern hydraulic system typically includes (…)​.

Answer 3

To prevent total system loss in case of a hydraulic leak, a modern hydraulic system typically includes (hydraulic fuses).

Question 4

Hydraulic pumps may be driven by power gained from other hydraulic systems via (…).

Answer 4

Hydraulic pumps may be driven by power gained from other hydraulic systems via (Power Transfer Units)​.

Question 5

The colour of a fresh synthetic hydraulic fluid is (…).

Answer 5

The colour of a fresh synthetic hydraulic fluid is (purple)​.

Question 6

Favourable qualities of hydraulic fluid are:

• (low/high) flash point
• (low/high) volatility
• (low/high) compressibility
• (low/high) viscosity
• (low/high) flammability

Answer 6

Favourable qualities of hydraulic fluid are:

• (high) flash point
• (low) volatility
• (low) compressibility
• (low) viscosity
• (low) flammability

Question 7

A component that converts hydraulic pressure into linear motion is called a(n) (…)​.

Answer 7

A component that converts hydraulic pressure into linear motion is called a(n) (actuator).

Question 8

Overhead detectors in a hydraulic system are usually installed at/in (…).

Answer 8

Overhead detectors in a hydraulic system are usually installed at/in (the pumps)​.