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Aircraft Performance: Atmosphere and Air Data Measurement Practice Test
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Atmosphere and Air Data Measurement topics include: Atmosphere characteristics, air vertical development, standard atmospheric model, air data and height measurement, airflow characteristics and airspeed measurements, air data computers, mach number and air temperature measurements. Here are some common methods and parameters used to measure and analyze air: Temperature: A thermometer can be used to measure temperature, such as a mercury-in-glass thermometer or a digital thermometer. Pressure: A barometer can be used to measure atmospheric pressure. There are three basic types of... Show more
Aircraft Performance: Atmosphere and Air Data Measurement Practice Test
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25 Questions

1. What is the relationship between temperature and mach number?
2. What is the hydrostatic equation?
3. What is the equivalent air speed where velocity is 330m/s and pressure ratio is 8.447?
4. What is meant by pressure altitude?
5. Air data measurement does not consider the relative motion between the aircraft and the air mass.
6. What is the relation between pressure and density in an adiabatic air flow?
7. The range of temperature in stratosphere is _____________
8. Any atmosphere that does not conform to the ISA profile is referred to as an off-standard atmosphere.
9. Airspeeds are of three types.
10. The ratio of specific heats (γ) of air is _________
11. What is lapse rate?
12. What is the speed of sound in air at an altitude where temperature is 299K?
13. What is the pressure ratio of an aircraft moving in air at a mach number 1?
14. Which of the following is the full-law calibration equation?
15. What is the mach number of aircraft flying in air where the pressure ratio is 1.893?
16. What is the relation between pressure and air speed in isentropic relations?
17. Which of the following is the major reason for the global atmosphere pressure distribution?
18. Which of the following is the correct relationship between γ and Cv?
19. Which of the following holds a correct relation between pressure, temperature and altitude?
20. 1 foot=_________meters
21. Regions of low pressure, cyclones and high pressure, anti-cyclones are formed by effects of convection currents in the atmosphere.
22. The essential requirement of air data measurement is the state of the atmosphere in which the aircraft is flying.
23. The geopotential height of the isothermal lower stratosphere (i.e. at 11km) is given by __________
24. What is the relation between equivalent air speed and pressure ratio?
25. What is relative pressure at 101325 N/m2?

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