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Assignment Questions - 14190_196
Assignment Questions - 14190_198

Neets Module 18-Radar Principles
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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






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