Aircraft Instrument Systems FAA Questions (A11) With All
Correct & 100% Verified Answers |Latest Version |
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Which Instruments are connected to an aircrafts' static pressure system only?
1. Vertical Speed Indicator
2. Cabin Altimeter
3. Altimeter
4. Cabin rate-of-change indicator
5. Airspeed indicator
A - 2 and 4
B - 1 and 3
C - 2, 4, and 5. ✔Correct Answer-B - 1 and 3
The operating mechanism of must hydraulic pressure gauges is ✔Correct Answer-A - a
Bourdon tube
What is he fixed line mark attached to the compass bowl of a magnetic compass called?
✔Correct Answer-B - Lubber Line
(1) an airspeed indicator measures the differential between pitot and static air pressures
surrounding the aircraft at any moment of flight
(2) An airspeed indicator measures the differential between pitot and cabin air pressures at any
moment of flight
regarding the above statements ✔Correct Answer-C - onle No. 1 is true
When swinging a magnetic compass, the compensators are adjusted to correct for ✔Correct
Answer-C - magnetic influence deviation
What will be the result if the instrument static pressure line becomes disconnected inside a
pressurized cabin during cruising flight? ✔Correct Answer-B - the altimeter and airspeed
indicator will both read low.
Magnetic compass bowls are filled with a liquid to ✔Correct Answer-A - dampen the
oscillation of the float.
Which statement regarding an aircraft instrument vacuum system is true? ✔Correct Answer-C
- Dry type vacuum pumps with carbon canes are very susceptible to damage from solid airborne
particles and must take in only filtered air.
, When an aircraft altimeter is set to 29.92 inched Hg on the ground, the altimeter will read
✔Correct Answer-C - pressure altitude
A barometric altimeter indicates pressure altitude when the barometric scale is set at
✔Correct Answer-C - 29.92 inches Hg
A bourdon tube instrument may be ised to indicate
1. pressure
2. tempurature
3. position
A- 1.
B- 2 and 3.
C- 1 and 2. ✔Correct Answer-C- 1 and 2
A turn coordinator instrument indicates ✔Correct Answer-A - both roll and yaw
Thermocouple leads ✔Correct Answer-A - are disigned for a specific installation and may not
be altered
Turbine engine exhaust gas temperatures are measured by using ✔Correct Answer-B -
chromel/alumel thermocouples
Fuel flow transmitters are designed to transmit data ✔Correct Answer-C - electronically
What does a reciprocating engine manifold pressure gauge indicate when the engine is not
operating? ✔Correct Answer-C - the existing atmospheric pressure
Cases for electrically operated instruments are made of ✔Correct Answer-A - Iron or steel
cases
Which condition would be most likely to cause excessive vacuum in a vacuum system?
✔Correct Answer-A - Vacuum relief valve improperly ajusted
Data transmitted between components in an EFIS are converted into ✔Correct Answer-A -
digital signals
The function of a CRT in an EFIS is to ✔Correct Answer-B - display alphanumeric data and
representations of aircraft instruments.
the function of a symbol generator (SG) in an EFIS is to ✔Correct Answer-A - receive and
process input signals from aircraft and engine sensor and send the data to the appropriate
displays
Correct & 100% Verified Answers |Latest Version |
Already Graded A+
Which Instruments are connected to an aircrafts' static pressure system only?
1. Vertical Speed Indicator
2. Cabin Altimeter
3. Altimeter
4. Cabin rate-of-change indicator
5. Airspeed indicator
A - 2 and 4
B - 1 and 3
C - 2, 4, and 5. ✔Correct Answer-B - 1 and 3
The operating mechanism of must hydraulic pressure gauges is ✔Correct Answer-A - a
Bourdon tube
What is he fixed line mark attached to the compass bowl of a magnetic compass called?
✔Correct Answer-B - Lubber Line
(1) an airspeed indicator measures the differential between pitot and static air pressures
surrounding the aircraft at any moment of flight
(2) An airspeed indicator measures the differential between pitot and cabin air pressures at any
moment of flight
regarding the above statements ✔Correct Answer-C - onle No. 1 is true
When swinging a magnetic compass, the compensators are adjusted to correct for ✔Correct
Answer-C - magnetic influence deviation
What will be the result if the instrument static pressure line becomes disconnected inside a
pressurized cabin during cruising flight? ✔Correct Answer-B - the altimeter and airspeed
indicator will both read low.
Magnetic compass bowls are filled with a liquid to ✔Correct Answer-A - dampen the
oscillation of the float.
Which statement regarding an aircraft instrument vacuum system is true? ✔Correct Answer-C
- Dry type vacuum pumps with carbon canes are very susceptible to damage from solid airborne
particles and must take in only filtered air.
, When an aircraft altimeter is set to 29.92 inched Hg on the ground, the altimeter will read
✔Correct Answer-C - pressure altitude
A barometric altimeter indicates pressure altitude when the barometric scale is set at
✔Correct Answer-C - 29.92 inches Hg
A bourdon tube instrument may be ised to indicate
1. pressure
2. tempurature
3. position
A- 1.
B- 2 and 3.
C- 1 and 2. ✔Correct Answer-C- 1 and 2
A turn coordinator instrument indicates ✔Correct Answer-A - both roll and yaw
Thermocouple leads ✔Correct Answer-A - are disigned for a specific installation and may not
be altered
Turbine engine exhaust gas temperatures are measured by using ✔Correct Answer-B -
chromel/alumel thermocouples
Fuel flow transmitters are designed to transmit data ✔Correct Answer-C - electronically
What does a reciprocating engine manifold pressure gauge indicate when the engine is not
operating? ✔Correct Answer-C - the existing atmospheric pressure
Cases for electrically operated instruments are made of ✔Correct Answer-A - Iron or steel
cases
Which condition would be most likely to cause excessive vacuum in a vacuum system?
✔Correct Answer-A - Vacuum relief valve improperly ajusted
Data transmitted between components in an EFIS are converted into ✔Correct Answer-A -
digital signals
The function of a CRT in an EFIS is to ✔Correct Answer-B - display alphanumeric data and
representations of aircraft instruments.
the function of a symbol generator (SG) in an EFIS is to ✔Correct Answer-A - receive and
process input signals from aircraft and engine sensor and send the data to the appropriate
displays
