ATT Week 11 Test (FC) Exam Questions With Correct
Answers 100% Verified
What causes refraction? - CORRECT ANSWER -A change in the speed of light.
What is the most common optical detector? - CORRECT ANSWER -Photo Diodes.
__________ determines the color of light. - CORRECT ANSWER -Wavelength
What affects a detectors responsivity? - CORRECT ANSWER -Changes in wavelength.
The range of frequency that an optical fiber cable has is known as___________. - CORRECT
ANSWER -Bandwidth
What optical fiber cable is made of several concentric layers? - CORRECT ANSWER -Multimode
graded-index
What is a superheterodyne good for? - CORRECT ANSWER -Extreme sensitivity and stability.
A synchronizer performs the task of __________. - CORRECT ANSWER -Timing
What part does timing rely on? - CORRECT ANSWER -Synchronizer.
What information does RF energy reflected from an object (echo) provide a RADAR? - CORRECT
ANSWER -Bearing, range, velocity, and elevation.
, ___________ is the effect of signal loss associated with high frequency currents flowing near
the outer surface of the conductor. - CORRECT ANSWER -Skin effect
What is characteristic impedance? - CORRECT ANSWER -The distributed inductance and
capacitance of a line.
What transmission lines have the largest surface area? - CORRECT ANSWER -Waveguides.
____________ is/are the result of improper waveguide joining. - CORRECT ANSWER -Standing
waves
What is the ability of an antenna to act as an antenna and a receiver called? - CORRECT
ANSWER -Reciprocity.
What is a truncated parabolic antenna used for? - CORRECT ANSWER -RADAR microwave
system.
Power gain is the measure of an antenna's ___________. - CORRECT ANSWER -efficiency
How is the efficiency of an antenna measured? - CORRECT ANSWER -The use of a reference
antenna.
What kind of beam is needed to determine bearing? - CORRECT ANSWER -Narrow, horizontal.
What effect does FTC have on receiver gain? - CORRECT ANSWER -0 effect.
A radar mile measured in time is how long? - CORRECT ANSWER -12.36 microseconds.
Answers 100% Verified
What causes refraction? - CORRECT ANSWER -A change in the speed of light.
What is the most common optical detector? - CORRECT ANSWER -Photo Diodes.
__________ determines the color of light. - CORRECT ANSWER -Wavelength
What affects a detectors responsivity? - CORRECT ANSWER -Changes in wavelength.
The range of frequency that an optical fiber cable has is known as___________. - CORRECT
ANSWER -Bandwidth
What optical fiber cable is made of several concentric layers? - CORRECT ANSWER -Multimode
graded-index
What is a superheterodyne good for? - CORRECT ANSWER -Extreme sensitivity and stability.
A synchronizer performs the task of __________. - CORRECT ANSWER -Timing
What part does timing rely on? - CORRECT ANSWER -Synchronizer.
What information does RF energy reflected from an object (echo) provide a RADAR? - CORRECT
ANSWER -Bearing, range, velocity, and elevation.
, ___________ is the effect of signal loss associated with high frequency currents flowing near
the outer surface of the conductor. - CORRECT ANSWER -Skin effect
What is characteristic impedance? - CORRECT ANSWER -The distributed inductance and
capacitance of a line.
What transmission lines have the largest surface area? - CORRECT ANSWER -Waveguides.
____________ is/are the result of improper waveguide joining. - CORRECT ANSWER -Standing
waves
What is the ability of an antenna to act as an antenna and a receiver called? - CORRECT
ANSWER -Reciprocity.
What is a truncated parabolic antenna used for? - CORRECT ANSWER -RADAR microwave
system.
Power gain is the measure of an antenna's ___________. - CORRECT ANSWER -efficiency
How is the efficiency of an antenna measured? - CORRECT ANSWER -The use of a reference
antenna.
What kind of beam is needed to determine bearing? - CORRECT ANSWER -Narrow, horizontal.
What effect does FTC have on receiver gain? - CORRECT ANSWER -0 effect.
A radar mile measured in time is how long? - CORRECT ANSWER -12.36 microseconds.
