Instrumentation

40
Revision Questions
Specimen Questions
1. A modern radio altimeter uses the frequency band:
a. VHF 30 - 300 MHz
b. SHF 3000 MHz - 30 GHz
c. UHF 300 MHz - 3 GHz
d. HF 3 MHz - 30 MHz
2. An aircraft that is assessed as not being a threat would be indicated on a TCAS
system as:
a. a solid red square
b. a solid white or cyan diamond
c. a hollow white or cyan diamond
d. a solid yellow circle
40 Revision Questions
3. During descent through a block of airspace of constant temperature and while
flying at a constant Mach No. will cause the CAS to:
a. increase
b. decrease
c. remain constant
d. increase at a rate of 1·98°/1000 ft
4. The true altitude of an aircraft in flight is shown from:
a. the standard atmosphere
b. pressure altitude
c. density altitude
d. temperature altitude
5. On a turn and slip indicator, needle to the left and ball to the right indicates:
a. right turn not enough bank
b. left turn too much bank
c. left turn not enough bank
d. right turn too much bank
6. What is density altitude?
a. Temperature altitude
b. Pressure altitude corrected for the prevailing temperature
c. The altitude in the International Standard Atmosphere at which the prevailing
density would be found
d. Pressure altitude corrected for Total Air Temperature
7. A radio altimeter is:
a. ground based and measures true altitude
b. ground based and measures true height
c. aircraft based and measures true altitude
d. aircraft based and measures true height
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