Term
| 11. Why do full-flow oil filters have a spring-operated bypass valve in them? |
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Definition
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If the filter plugs up, the valve opens and allows unfiltered oil flow through the system.
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Term
| 14. Where are the last chance oil filters located in a turbojet engine? |
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Definition
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Inside engine just ahead of nozzles that spray oil onto bearings.
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Term
| 15. Where is the oil tank in a dry-sump reciprocating engine vented? |
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Definition
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Term
| 19. What type of ignition system is used on most turbine engines? |
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Definition
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High-intensity, intermittent-duty, capacitor discharge.
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Term
| 5. Does the pressure-type continuous-element fire detector system detect a general overheat condition, as well as a fire? |
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Definition
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Yes, a high temp on a small portion of the sensor or a lower temp over the entire sensor, causeS release of enough gas to close the diaphragm switch and warn of a fire.
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Term
| 12. What is indicated if the yellow blow-out plug of the fire extinguisher system on the side of an engine nacelle is blown out? |
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Definition
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Discharged by normal operation.
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Term
| 13. What is adjusted inside the governor for a constant-speed propeller to change the speed at which the propeller is operating? |
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Definition
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The compression of the speeder spring.
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Term
| 15. What is meant by the beta range of operation of a turboprop propeller? |
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Definition
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A ground operation mode, that includes starting, taxiing, and ground reverse.
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Term
| 18. What keeps a McCauley feathering propeller from feathering when the engine is shutdown on the ground? |
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Definition
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A spring-loaded latch mechanism prevents the blades moving into the feather position.
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Term
| 24. What are two types of ignition systems used in turbine engines? |
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Definition
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High-voltage and low-voltage
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