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ASSIGNMENT 1-Cont. - 12404_72
ASSIGNMENT 1-Cont. - 12404_74

Fire Controlman Volume 02-Fire Control Radar Fundamentals
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1-23. What type of reference generator establishes the position of the feed horn during angle tracking? 1.  Four  phase 2.  Three  phase 3.  Two  phase 4.  One  phase 1-24. Which of the following electronic scanning methods is also referred to as simultaneous lobing? 1.  Angle  tracking 2.  Monopulse 3.  Nutating 4.   COSRO 1-25. COSRO scanning is used more effectively with which of the following types of radars? 1.   Pulse 2.  Pulse  Doppler 3.  Angle  tracking 4.  Continuous  wave 1-26. Crossed-field tubes are also known as which of the following types of devices? 1.   K 2.   M 3.   N 4.  Q 1-27. The magnetron is basically a diode and has no 1.  resistance 2.  plate 3.  grid 4.   bias 1-28. Magnetron oscillators are divided into what total number of classes? 1.   Five 2.  Two 3.   Three 4.   Four 1-29. The resonant frequency of a magnetron can be varied by varying the 1.   current 2.   resistance 3.   inductance 4.   seasoning 1-30. During initial operation, a high-power magnetron arcs from the cathode to the 1.  grid 2.  plate 3.  anode 4.  bias  network 1-31. In addition to the electrical input and the magnetic field, the major difference between the CFA and the magnetron is the requirement for which of the following inputs? 1.  Radio  frequency 2.  Continuous  wave 3.  Linear-beam  tubes 4.  Nonlinear-beam  tubes 1-32. What are the two most common types of linear- beam tubes used in fire-control equipment? 1.  Klystron  amplifier  and  traveling  wave 2.  Two-cavity  amplifier  and  multicavity  amplifier 3.  Magnetic  field  tube  and  klystron  amplifier 4.  Traveling  wave  and  multicavity  amplifier 1-33. Which of the following elements acts as a valve in a klystron amplifier? 1. Cathode 2.  Anode 3.  Plate 4.  Grid 1-34. The klystron amplifier consists of what three separate sections? 1. Electron  gun,  collector,  and  heated  cathode 2. Electron bunches, radio frequency, and cold cathode 3.  Electron  gun,  radio  frequency,  and  collector 4.  Electron  cavity,  collector,  and  cathode 3






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