Questão 1
Questão
Q1. What is the main parameter to know the Mach Number?
Responda
-
Pressure
-
Temperature
-
Both are true.
-
Both are false.
Questão 2
Questão
Q2. What is a disadvantage of Thermistors?
Responda
-
Need electrical source.
-
Need pneumatic source.
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Need hydraulic source.
-
All are false.
Questão 3
Questão
Q3. What is a direct reading thermometer?
Questão 4
Questão
Q4. What is an advantage of Thermocouples?
Responda
-
a) No electrical source needed.
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b) Temperature compensation to compensate cold junction variations.
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c) Can measure higher temperatures.
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d) a and c are correct.
Questão 5
Questão
Q5. What is the true option about optical pyrometer used by the Eurofighter?
Responda
-
The wavelength of radiation emitted by bodies is temperature dependant.
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The wavelength of radiation emitted by bodies is pressure dependant.
-
The wavelength of radiation emitted by bodies is temperature independant.
-
None are true.
Questão 6
Questão
Q6. What is the function of the Drain Hole of the Pitot?
Responda
-
Allows any moisture to leak away without affecting sensing pressure.
-
Allows any moisture to leak away without affecting sensing temperature.
-
Allows any moisture to leak away affecting sensing pressure.
-
All are false.
Questão 7
Responda
-
Never exceed speed.
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Not exceed speed.
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Non exceeding speed.
-
All are correct.
Questão 8
Questão
Q8. Where is the best place to put the pitot-static on an airplane?
Responda
-
In places where the attitude changes.
-
Behind the boundary layer.
-
In places where the attitude does not change much.
-
All are false.
Questão 9
Questão
1. About the IVSI (Instantaneous Vertical Speed Indicator), it’s important to know that:
Responda
-
It has a response to nose up and nose down respectively and it’s lag is huge.
-
It has a response to roll left and right and it’s lag is small.
-
It has a response to nose up and nose down respectively and isn’t lag is
almost null.
-
Is not affected by G forces.
Questão 10
Questão
2. About the pressure transducer:
Responda
-
Is a tranlator of the pressure regulator.
-
It works as a conversor sensed pressure into an electrical signal.
-
It is not used in aviation.
-
Is the main part of an aircraft.
Questão 11
Questão
3. Before do a navigation, it’s important to know:
Questão 12
Questão
4. About the magnetic field on Earth:
Questão 13
Questão
5. What is a isoclinal line?
Questão 14
Responda
-
Resistant of a material to be broken.
-
Resistant of a material to be doubled.
-
Resistance of the spin axis to tilting.
-
Resistant to pitch up and down.
Questão 15
Questão
7. What precession is?
Responda
-
When a torque is applied along a direction perpendicular to the spin axis, the gyroscope will not tilt in the same direction of the torque.
-
When you apply a torque, the gyroscope moves to another place.
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A is true, B false.
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B is false, A true.
Questão 16
Questão
8. What is the Gyro Wander?
Responda
-
a) Is the deviation of the ADI.
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b) There are some types: Real wander, Apparent wander, Transport wander,
and Transport Grid wander.
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c) Is the deviation of the spin axis from its set direction.
-
d) Both B and C are true.
Questão 17
Questão
Q1. What is a gyroscope?
Responda
-
A. Rigid body without motion in any plane
-
B. Rigid body with one principal moment of inertia much larger than the other two, in
high spin around its axis of maximum inertia.
-
C. It's a device for measuring or maintaining orientation, based on the principle of
preserving angular momentum
-
D. b) and c) are true
Questão 18
Questão
Q2. A gyroscope are driven by:
Responda
-
a) Air
-
b) Water
-
c) Electricity
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d) a) and c) are true
Questão 19
Questão
Q3. A gyroscope which is N-S aligned
Responda
-
A. Over equator it drifts 15º per hour
-
B. Over north Pole it drifts 15º per hour
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C. It never have drift effect
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D. A gyroscope never can be N-S aligned
Questão 20
Questão
Q4. A gyro wander is a deviation of the spin axis from its set direction. Some real wander happen as a consequence of:
Responda
-
Bearing's friction
-
Angular accelerations
-
Undesired and aleatory
-
All are true
Questão 21
Questão
Q5. A heading indicator
Questão 22
Questão
Q6. Radio Magnetic Indicator shows:
Questão 23
Questão
Q7. An artificial horizon
Responda
-
Has vertical spin axis Earth
-
Has three degrees of freedom
-
Indicates airplane attitude relative to pitch and roll axes
-
All are true
Questão 24
Questão
Q8. Artificial horizons which have air driven system suffer errors due to pendulosity of the system:
Questão 25
Questão
Q1. Quality of information in Inertial Navigation Systems depends on:
Responda
-
A. Accuracy of the initial data.
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B. Precision of the system alignment with true north.
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C. None of the above is correct.
-
D. A and B are correct.
Questão 26
Questão
Q2. Inertial Navigation Systems can be classified in:
Responda
-
A. Inertial and Earth referenced INS.
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B. Gimballed and Strapdown INS.
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C. INS with fixes axis and INS referenced in the Earth.
-
D. None of the above is correct.
Questão 27
Questão
Q3.Some components in the INS are:
Questão 28
Questão
Q4. Force Balance Acelerometer is based on:
Responda
-
A. The angular displacement of a pendulum
-
B. The vertical displacement of a pendulum
-
C. The horizontal displacement of a pendulum
-
D. A and B are correct.
Questão 29
Questão
Q5. In the Gyro Stabilised Platform are used:
Questão 30
Questão
Q6. Some corrections in the Gyro Stabilised Platform is:
Responda
-
Gyro drift and topple due to apparent and transport wander.
-
Accelerations correction by Coriolis Force.
-
Centripetal acceleration.
-
All of the above are correct.
Questão 31
Questão 32
Questão
Q7. Some types of integrators are:
Responda
-
Analogic and digital.
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Analogic and CC amplifiers.
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CC amplifiers and AC generator-tacometers
-
All of above are correct.