Airplane Systems Homework Intro to Principles of Flight (Aerospace Studies 30098) Name: _________________________ Short Answer (8 points. 1-2 sentences each.) 1. Why do small aircraft have dual magnetos? 2. What is the difference between a fixed pitch prop and a constant speed prop? 3. How does a carburetor work? 4. When would you use the carburetor heat if your aircraft had a carburetor? 5. What is the purpose of the mixture control? 6. Explain the difference between True Airspeed (TAS) and Groundspeed (GS). 7. How can you determine if your aircraft has the correct octane fuel? 8. Why is it a good practice to keep the fuel tanks full? 2 True/False (3 points. Mark you answers clearly.) 9. T / F The outside air temperature just below 70°F and the relative humidity is above 80%. There is little potential for carburetor icing. 10. T / F A cold engine requires more priming than a warm/hot engine. 11. T / F On a warmer than standard day, true altitude is lower than indicated altitude. Multiple Choice (2 points) 12. If you were turning from a heading of 180° to a heading of 330°, the magnetic compass will __________. a. b. c. d. lag remain accurate accelerate quicker than the aircraft / lead do nothing until you roll out of the turn 13. When flying from an area of higher pressure to an area of lower pressure, the indicated altitude will be __________ the true altitude if no corrections are made? a. b. c. d. higher than lower than the same as smellier than Fill In (1 points) Using the standard lapse rates, what is the temperature and pressure at an altitude of 6500 MSL on a standard day? Answer: __________in. Hg __________°C