Quiz 1 ( Q2 )
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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show | Purple
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Depressurization of the hydraulic system is NOT necessary when servicing closed hydraulic components. | show 🗑
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In the absence of a specific replacement instructions, a recommended service life of return filters are: | show 🗑
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Pascal's Law states that pressure applied to any part of a confined liquid is transmitted with undiminished intensity to every other part. | show 🗑
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show | A measure of a hydraulic fluid's internal resistance to flow.
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show | Phosphate esters, Polyalphaolefins, Minerals
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7. What mineral-based hydraulic fluid can be used as a rust-inhibitor alternative to MIL-H-5606? | show 🗑
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8. Aircraft hydraulic systems designed around Skydrol® fluids should be virtually trouble-free if properly serviced. | show 🗑
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show | abrasives and non abrasives
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10. During a routine contamination check, hydraulic fluid that appears to be visibly clean is good/usable fluid. | show 🗑
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show | Monsanto Chemical Co.
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12. Which of the following seals is not compatible with Skydrol®? | show 🗑
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13. Hydraulic operations are roughly ___________ percent efficient, with _______________ loss due to friction. | show 🗑
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show | Red
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15. In addition to viscosity, what are three important characteristics of hydraulic fluids that manufactures take into account? | show 🗑
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show | wide operating temperatures.
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17. When performing a "clean cycling" of a hydraulic system suspected of contamination, a hydraulic ground power unit (HGPU) should be used to clean the system. | show 🗑
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18. When taking hydraulic samples for testing, always drain ______________ of fluid before taking the tested sample. | show 🗑
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19. System operating pressure may vary from a couple hundred PSI in small aircraft and rotorcraft to _____ in large transports. | show 🗑
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show | MIL-H-83282
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Created by:
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