11-7. Describe four applications of accumulators
11-8. What is a pressure intensifier? List one application.
11-9. What is the difference between a positive and a nonpositive seal? leaks
11-10. Explain, by example, the difference between internal and external
11-11. What is the difference between a static and dynamic seal? 11-12. Why are backup rings sometimes used with O-rings?
11-13. Name three types of seals in addition to an O-ring.
11-14. Are wiper seals designed to seal against pressure? Explain you answer
11-15. Name four types of materials used for seals.
11-16. What is the purpose of a durometer?
11-17. What is the purpose of a heat exchanger?
11-18. Name the important factors to consider when selecting heat exchanger
11-19. Name two types of flow-measuring devices.
11-20. Name two types of pressure-measuring devices.
11-21. Why is it desirable to measure flow rates and pressures
11-22. What advantage does a digital readout fluid parameter-measuring device have over an analog device?
11-23. What is a sight flow indicator and what is its purpose?