17
ASSIGNMENT 3
Textbook assignment: Chapter 3, “Radar Indicators and Antennas,” pages 3-1 through 3-22. Chapter 4,
“Radar Maintenance,” pages 4-1 through 4-23.
___________________________________________________________________________________
3-1. Which of the following geometrical
quantities is/are used as coordinates for
radar displays?
1. Range
2. Bearing
3. Elevation
4. All of the above
3-2. Of the following target parameters,
which would most likely be displayed on
all radar sets?
1. Altitude
2. Slant range
3. Ground range
4. All of the above
3-3. Which of the following quantities
determines total distance represented on
a crt display.
1. Crt size
2. Sweep speed
3. Sweep length
4. Echo spacing
3-4. To correctly represent the location of a
target, a radar repeater must receive
which of the following quantities?
1. Video
2. Timing pulses
3. Antenna information
4. All of the above
3-5. The A-scope crt normally uses what type
of sweep deflection?
1. Mechanical
2. Electrostatic
3. Electromagnetic
4. Electromechanical
3-6. The rhi scope provides the operator with
information concerning the target's
1. range only
2. altitude only
3. range and altitude
4. range and bearing
3-7. Own ship position is at the center of the
scope in which of the following radar
displays?
1. A-scope
2. B-scope
3. Rhi scope
4. Ppi scope
3-8. Synchronization of events in ppi circuitry
is of special importance for which of the
following reasons?
1. To ensure that bearing readings are
accurate
2. To ensure that range readings are
accurate
3. To ensure the deflection coils do not
overheat
4. To ensure the power supply is
activated at the instant the transmitter
fires
3-9. Pulses used to synchronize the ppi with
the transmitter are developed in which of
the following circuits?
1. Gate
2. Sweep control
3. Sweep generator
4. Intensity gate generator
