complete solutions
1. A synchro transmitter is connected to a synchro receiver - correct answer ✔✔electrically with wires.
2. Aircraft instrument panels are generally shock-mounted to absorb - correct answer ✔✔Low-
frequency, high-amplitude shocks.
3. When swinging magnetic compass, the compensators are adjusted to correct for - correct answer
✔✔Magnetic influence deviation.
4. When performing the static system leakage check required by Section 91.411, the technician utilizes -
correct answer ✔✔negative pressure.
5. Data transmitted between components an EFIS are converted into - correct answer ✔✔digital signals.
6. What does a reciprocating engine manifold pressure gauge indicate when the engine is not operating?
- correct answer ✔✔The existing atmospheric pressure.
7. The operating mechanism of most hydraulic pressure gauges - correct answer ✔✔Bourdon tube.
8. How is flangeless instrurnent case mounted in an instrumerit panel? - correct answer ✔✔By an
expanding-type clamp secured to the back of the panel and tightened by a screw from the front of the
instrument panel.
9. Instrument panel shock mounts absorb - correct answer ✔✔low frequency, high-amplitude shocks.
10. How would an airspeed indicator be marked to show the best rate-of-climb speed (one engine
inoperative)? - correct answer ✔✔A blue radial line.
, 11. How many of the following are controlled by gyroscopes? - correct answer ✔✔a) Attitude indicator.
b) Heading indicator.
c) Turn needle of the turn-and-slip indicator.
12. Which instruments are connected to an aircraft's static pressure system only? - correct answer ✔✔a)
Vertical speed indicator
b) Altimeter.
Aircraft instrument value should be marked and graduated in accordance with - correct answer ✔✔the
specific aircraft maintenance or flight manual.
Instrument static system leakage can be detected by observing the rate of change indication of the -
correct answer ✔✔altimeter after suction has been applied to the static system to cause a prescribed
equivalent altitude to be indicated.
15. Which statement regarding an aircraft instrument vacuum system is true? - correct answer ✔✔Dry-
type vacuum pumps with carbon vanes are very susceptible to damage from solid airborne particles and
must take in only filtered air.
16. Which of the following instruments will normally have range markings? - correct answer ✔✔Cylinder
head temperature gauge, airspeed indicator.
17. What marking color is used to indicate if a cover glass has slipped? - correct answer ✔✔White.
18. An aircraft magnetic compass is swung to up-date the compass correction card when - correct
answer ✔✔equipment is added that could effect compass deviation.
19. When an aircraft altimeter is set at 29.92" Hg on the ground, the altimetcr will read - correct answer
✔✔pressure altitude.
20. Resistance-type temperature indicators using Wheatstone bridge or ratiometer circuits may be used
to indicated the temperatures of which of the following? - correct answer ✔✔a) Free air. b) Carburetor
air. c) Coolant (engine). d) Oil temperature.