Avionics Mcqs


Q.  What is the minimum number of transmitter stations required for a Loran system?

a. 3
b. 2
c. 1
d. 5


ANSWER: See Answer
 
Loran consists of transmitter stations in groups forming chains. At least three transmitter stations make up a chain. One station is designated as the master while the other is called secondaries.
MCQs:  Which of the following type is not used in an Omega system?
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MCQs:  _____ acts as a coarse tuning device for the antenna?
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MCQs:  What type of transmitter is used in a Decca system?
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MCQs:  What is the approximate range of Chayka system?
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MCQs:  Which of the following is the most fundamental for satellite navigation?
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MCQs:  What is the line connecting the intersection of the orbital plane with the Earth’s equatorial plane called?
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MCQs:  When the satellite crosses the equatorial plane from the southerly latitude to the northerly, the point is called descending node.
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MCQs:  What is the number of independent constants required to specify the nominal orbit?
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MCQs:  The line connecting the perigee and apogee is called as?
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MCQs:  Which of the following is not one of the perturbations that make the satellite to vary from its elliptical path?
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MCQs:  The clocks are important in satellite navigation as they are potential sources of error.
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MCQs:  Differential GPS corrects for satellite errors.
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MCQs:  How does troposphere affect the satellite signals?
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MCQs:  Which of the following makes the existence of ionosphere possible?
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MCQs:  Satellite signals are refracted by the ionosphere.
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MCQs:  What happens to the satellite signals as the density of the ionosphere is high?
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MCQs:  What is the increase in velocity of the signal by the ionosphere termed as?
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MCQs:  TEC in the ionosphere is a function of solar radiation.
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MCQs:  Which of the following is true with respect to ionospheric scintillation effects?
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MCQs:  The refractivity of the troposphere is not a function of ________
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