7-29.
The horizontal situation indicator gives what
information to the pilot?
1.
Direct heading
2.
Rate of descent
3.
Navigational situation of the aircraft
4.
Aircraft attitude
7-30.
What are the two major uses of airborne
radios?
1.
Communications and detection
2.
Communications and navigation
3.
Navigation and detection
4.
Detection and ranging
7-31.
What rating normally maintains communica-
tions and navigational equipment?
1.
AC
2.
AE
3.
AT
4.
AW
7-32.
What
means
of
radio
communications
transmits a rapid succession of images (still or
moving) over a radio-frequency channel?
1.
Radiofacsimile
2.
Radioteletype
3.
Radiotelephony
4.
Radiotelevision
7-33.
Long-range
airborne
communications
sets
operate in what band of frequencies?
1.
From 3 to 30 kilohertz
2.
From 3 to 30 megahertz
3.
From 30 to 300 megahertz
4.
From 30 to 300 kilohertz
7-34.
What is the frequency band of short-range
VHF/UHF communication sets?
1.
30 megahertz to 3 gigahertz
2.
300 kilohertz to 3 megahertz
3.
30 kilohertz to 300 kilohertz
4.
30 gigahertz to 300 gigahertz
7-35.
VHF/UHF communication sets are called
line-of-sight communication sets.
1.
True
2.
False
7-36.
What is the primary navigational aid for
carrier-based aircraft?
1.
Loran
2.
Omega
3.
Dead reckoning
4.
TACAN
7-37.
The main advantage of GPS over LORAN
navigation is that GPS navigation provides
highly accurate three-dimensional position,
velocity, and time data.
1.
True
2.
False
7-38.
Which of the following computations is made
by navigational computers?
1.
Aircraft ground track angle
2.
Bearing to target
3.
Distance to target
4.
Each of the above
7-39.
What does Doppler radar measure?
1.
Ground speed only
2.
Drift angle only
3.
Ground speed and drift angle
4.
Latitude and longitude
7-40.
The inertial navigation system is an automatic
aid to navigation that is independent of outside
references.
1.
True
2.
False
7-41.
Which of the following data does the inertial
navigational system (INS) provide to the
overall tactical system?
1.
Accurate velocity
2.
Attitude
3.
Heading data
4.
Each of the above
7-42.
Upon what principle does radar work?
1.
Ranging
2.
Detection
3.
Echo
4.
Radio
7-43.
Radio waves travel at what speed?
1.
1,100 feet per second
2.
1,100 miles per hour
3.
186,000 miles per hour
4.
186,000 miles per second
7-44.
If it takes 6 seconds for a sound wave to travel
to an object and return, what is the distance of
the object?
1.
1,100 feet
2.
2,200 feet
3.
3,300 feet
4.
6,600 feet
7-25