1-59. Which of the following detectors is the simplest form of detector? 1.  Diode 2.   Analog 3.   Logarithmic 4.    Phase-sensitive 1-60. Phase-sensitive detectors are key elements in what type  of  radars? 1.   RF 2.   IF 3.   LO 4.   MTI 1-61. What are the basic types of pulse compression? 1. 2. 3. 4. Analog and linear Linear FM and analog Phase coding and linear Linear FM and phase coding 1-62. What type of code is the normal method used to determine phase shift? 1.   Octal 2.   Binary 3.   Decimal 4.  Hexadecimal 1-63. The extraction of the angle error is required when using what type of radar that uses phase-coded compression? 1.   2-D 2.  3-D 3.   Surface 4.   Tracking 1-64. What publication requires each commanding officer to establish procedures for maintaining positive control of RF transmitting equipment? 1.  NAVSEA  OP  3565 2.  NAVSEA  OP  5000 3.  NAVSEA  OP  5100 4.  NAVSEA  OP  5I00B 1-65. 1-66. ~ The emissions control bill establishes the level of EMCON during certain types of operations. 1.   True 2.  False What type of program is designed to prevent the accidental activation of electro-explosive devices or electrically initiated ordnance from RF electromagnetic fields? 1.   RADHAZ 2.   EMCON 3.   HERO 4.   HERF 1-67. Which of the following programs was developed to 1-68. 1-69. protect fueling operations? 1.   HERF 2.   HERO 3.   EMCON 4.   RADHAZ Which of the following programs was developed to protect personnel from RF electromagnetic radiation? 1.   HERP 2.   HERO 3.   EMCON 4.   EP Who or what activity establishes the biological hazard levels for exposure to RF radiation? 1.  Chief  of  Naval  Operations 2.  Commanding  officer 3.  Duty  corpsman 4.  Bureau  of  Medicine  and  Surgery 6 1-70. RF-hazard safe limits are based on what two factors? 1. 2. 3. 4. Power amplification and exposure time Type of equipment and environment in which it is  used Power density of the radiation beam and the exposure time of the human body Nearness of medical personnel and type of building in which a specific equipment is used