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14 Cards in this Set
- Front
- Back
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Define "Hydraulics" |
The study of the physical behavior of all liquids |
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Name 5 advantages of Hydraulics over electric motors |
1) Lighter weight 2) Ease of installation 3) Simplification of inspection 4) Minimum maintenance 5) Almost 100% efficient |
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Name a device used in Hydraulic systems that makes use of both compressible and non-compressible substances, and name each substance |
Accumulator; Compressible substance: Air (for cushoning) Non-compressible substance: Hydraulic Fluid |
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What determines the pressure of a container? |
Force and Area |
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Pressure exerted on a fluid in an enclosed container is transmitted __________ and _____________ to all parts of the container and acts at ________ ________ to the enclosing walls. (Pascal's Law) |
Equally, Undiminished, Right Angles |
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What is the formula for determining Force, Area, and Pressure |
F = A x P |
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What is the formula for the area of a circle? |
Pi (r) Squared |
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What is the formula for determining Volume, Area, and Distance? |
V = A x D |
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Where is rigid tubing used on aircraft? |
In stationary applications where long, relatively straight runs are possible |
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What are rigid lines made of today? |
Aluminum alloy and CRES
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What type of material is used in low pressure systems? (<1000 psi) |
Aluminum alloy, 1100-H14 (half-hard) or 3003-H14 (half-hard) |
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What type of material is used for medium pressure systems? (1000 to 1500 psi) |
5052-O Aluminum alloy mostly Sometimes 2024-T is used for its higher strength, but it is more difficult to bend |
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What type of tubing is used for high pressure systems? (>3000 psi) |
CRES; also used in areas subject to physical damage due to the environment |
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List the aluminum alloy that corresponds to each color code: 1) White 2) Green 3) Gray 4) Red 5) Purple 6) Black 7) Blue and Yellow 8) Brown and Yellow |
1) White2) Green3) Gray4) Red5) Purple6) Black7) Blue and Yellow8) Brown and Yellow
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