Navy AT(O) – Aviation Electronics Technician (Ordinance) Second Class Advancement Practice Exam

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• What are the three basic steps in the identification process of a typical IFF system?
• Which method of voltage production can be generated through temperature differences?
• Which advantage of fiber optics contributes to system economy?
• Which article of the Code of Conduct emphasizes the responsibility of members of the Armed Forces in captivity?
• What phenomenon restricts the current-carrying area at the center conductor of a coaxial line?
• What benefit does fiber optics provide in terms of signal security?
• In which type of memory are instructions and programs typically stored permanently inside the computer?
• Which of the following is NOT a criterion for behavior to be termed sexual harassment?
• What method does the Navy use to ensure Sailors work efficiently as a unit?
• What two ways can data be physically organized on a disk pack?
• When was the Uniform Code of Military Justice (UCMJ) signed into law?
• What is the primary pollution concern of the Navy?
• In wire identification numbers, what does the suffix N mean?
• What is an example of nonvolatile memory?
• Which of the following is not a part of a fiber optic data link?
• Why is flat, nylon, braided, waxed lacing tape preferred for tying coaxial cables?
• What type of energy does light represent when it interacts with matter?
• Which of the following subatomic particles is negatively charged?
• How many types of bearings are used in navigation?
• What must be done before making resistance measurements?
• What publication contains information on mounting hardware for aircraft parts?
• In what states can programmable read-only memory (PROM) typically be found?
• What criterion determines shock intensity?
• What is the primary limitation of waveguides at lower frequencies?
• Which parameter primarily affects the sound velocity in seawater when it increases?
• What is the military encrypted mode in the IFF system?
• How is data accessed in RAM?
• Which section of the CPU is responsible for control instructions?
• Can programs stored in ROM be modified?
• Which statement best describes the main concern regarding pollution produced by the Navy?
• How many configurations is the APX-100 transponder set available in?
• Which of the following types of storage loses its data when power is turned off?
• The OTPI system provides what information to the USW pilot?
• Why is single mode fiber preferred for long-distance communication?
• Under article V of the Code of Conduct, what information must you provide when questioned?
• Who should be standing by while working on energized equipment?
• How is EPROM erased?
• When interrogated, what frequency signal does the AN/APX-72 generate?
• Which optical fiber properties can help reduce connection loss in short-distance systems?
• Which dimension determines the frequency range of a waveguide?
• What is the Navy's policy on energy conservation?
• Bubble memory consists of what?
• Sonobuoys equipped with an EFS system have what capability?
• What distinguishes read-only memory (ROM) from other memory types?
• What is the maximum psi of compressed air for cleaning equipment?
• What precedes each record on a disk?
• Why is direct accessing of data a big advantage over the sequential accessing of data?
• What results from the combination of atoms in a specific ratio?
• What are the two broad categories of maintenance?
• Which component is used to select SIF reply codes for Modes 1, 2, and 3/A?
• What does the physical size of a waveguide affect?
• Which type of memory can retain data without power?
• What is the composition of magnetic core storage?
• What is a compound?
• Which APX-100 system is referred to as the rack-mounted configuration?
• What does it mean when reading from bubble memory is described as nondestructive?
• What is the only reason for clamping a wire bundle to a plumbing line?
• How can loss in optical fibers be minimized during their construction?
• Which is NOT an advantage of fiber optics over electrical systems?
• The amount of data that can be stored on a linear inch of tape is known by what term?
• Who is ultimately responsible for safety on the aircraft?
• Which of the following sonobuoys provides water temperature data?
• What is primarily converted by a transmitter in a fiber optic data link?
• In a typical IFF/SIF system, how many codes can be selected in Mode 2?
• What type of naval aircraft employs the AN/ASQ-13F dipping sonar system?
• What are the three most common sizes of floppy disks?
• What is the minimum slack that should be provided when terminating wiring with a connector?
• Scheduled maintenance consists of what type of work?
• Which method produces voltage through the influence of magnetic fields?
• What is the name of the frequency spectrum region from 1000 MHz to 100,000 MHz?
• What mechanisms in fiber waveguides contribute to signal weakening and distortion?
• Under which condition may deadly force be used?
• What is the purpose of heat shrink tubing?
• Which type of optical fiber produces less signal distortion?
• How is data organized on all disks?
• What is the primary purpose of preventive maintenance?
• Which type of losses are common in two-wire and coaxial lines, but are reduced in waveguides?
• Under what circumstance can deadly force be employed related to a known criminal?
• Which OPNAVINST provides guidance and regulations for duties and responsibilities of personnel within the Navy?
• Where can you find danger areas for a particular aircraft?
• Where should you first look for wire replacement information?
• What is the purpose of the Identification of Position (I/P) pulse?
• What does EPROM stand for?
• Which of the following statements describes potential energy?
• What was concluded by scientists in 1969 regarding optical fiber loss?
• How many bells are sounded at 0700?
• The length of tape between BOT and EOT is referred to by what term?
• A sound wave traveling from an area of warm water into an area of cold water will be affected in what way?
• What is the major method for testing shorts in transformers, motor windings, and capacitors?
• What property of optical fibers contributes to better light transmission efficiency?
• What is the term used for the process of reading instructions and data into a computer?
• What can the use of improper test probes result in?
• What are the two basic types of optical fibers?
• Which phenomenon decreases the effectiveness of optical signal propagation in fiber optics?
• What is a molecule defined as?
• What is an element?
• On a dipping sonar system, what component generates and transmits sound energy into the water?
• How does noise affect the optical signal in fiber optics?
• What steps has the Navy taken to reduce air pollution in their power plants?
• Which agreement does the Navy follow to dispose of treated sewage in foreign waters?
• What is the preferred extinguishing agent for Class C fires?
• At what intervals must enlisted personnel receive explanations of certain UCMJ articles as stated in Article 137?
• What are the three sources that contain the basic disciplinary laws for the U.S. Navy?
• What is the proper color code for a 100 ohm resistor with a 10 percent tolerance?
• What does the term "skin effect" refer to?
• What happens to the electrical fields in coaxial lines at microwave frequencies?
• True or False: All naval aircraft contain an interrogator system.
• What are the names of the sections that make up the CPU?
• A LOFAR sonobuoy primarily is used for which purpose?
• What are the two main factors that affect the velocity of sound in seawater?
• What is the main advantage of sonobuoys in naval operations?
• What type of memory can retain its data even during a power failure?
• What is a consequence of not explaining UCMJ articles to enlisted personnel as required?
• What are the four major types of instructions in the control section?
• What distinguishes a compound from a mixture?
• What is the primary purpose of the Code of Conduct?
• What is an effective method for locating defective stages in electronic equipment?
• What is the main disadvantage of PROM?
• After complete reassembly of equipment, what must be performed?
• Why are coaxial lines more efficient at microwave frequencies?
• How does a magnetic drum differ from a magnetic disk?
• Which of the following pollutant sources is linked to urban development?
• When substituting hardware, what factors should you consider before making the substitution?
• What type of wire should you use to carry 600-1000 volts with a temperature rating between 302°F to 500°F?
• How does invisible light convert to visible light in a fluorescent light?
• What is a floppy disk?
• What does a DIFAR system utilize to provide bearing data?
• What does the term "loss" refer to in fiber optics?
• Which part of the fiber optic system is responsible for sending the light signal?
• In the context of computer storage, what does volatile mean?
• What is the first step to take when receiving a discrepancy?
• What information can a DIFAR sonobuoy provide that a LOFAR sonobuoy cannot?
• Which of the following describes a method the Navy employs for pollution control?
• What defines matter?
• What is the purpose of performing continuity tests?
• What factors must be considered when substituting a resistor?
• After data is processed in the arithmetic/logic section, where is it returned?
• What is the main purpose of a disk address?
• Which method can be used to report fraud, waste, and abuse situations in the Navy?
• What is another name for semiconductor memory chips?
• How many nautical miles from the U.S. coastline must vessels travel to discharge unpulped trash?
• What are two primary effects of pollution?
• What is the primary function of the central processing unit?
• Which output device is commonly used to express coded characters as hard copy?
• What shape can waveguides have?
• What term describes the energy associated with motion?
• What interaction is responsible for energy traveling down a waveguide?
• What is another name for random-access memory (RAM)?
• What is the total number of articles in the Code of Conduct?
• What manual should you refer to for avionics corrosion removal?
• What is the pulse spacing of Mode 1 in an IFF system?
• Who is responsible for providing the programs stored in ROM?
• What is a fundamental approach the Navy takes towards energy efficiency?
• What section of the CPU manages the instruction flow?
• Which of the following is NOT a type of court-martial?
• Where are Modes 1 and 3/A selected on the AN/APX-72 transponder set?
• Which statement is true regarding neutrons?
• What is the significance of track organization on a disk?
• What type of insulator is effective at very high frequencies?
• What are the major differences between magnetic tape units?
• A semiconductor memory consists of what?
• Which mode of IFF operation is used by military and civilian aircraft control stations?
• The control section of the CPU can be compared to which of the following?
• Which properties of waveguides do air dielectrics enhance?
• Which element forms a fundamental part of compounds?
• What are the basic functions of a fiber optic data link?
• Why are disk storage devices popular in computing?
• Which flag is flown from the jackstaff at the bow of a commissioned ship?
• In bubble memory technology, what is the primary material used for the thin crystal?
• Among the following, which is one way voltage can be produced?
• What component monitors timing triggers and causes the fault indicator lamp to illuminate on the interrogator control?
• What trade-offs do designers consider in fiber optic systems?
• Tracks on each channel of a magnetic drum are grouped into what?
• Which type of memory is best suited for storing firmware?
• How is the storage capacity of a disk determined?
• How are the magnetic domains of bubble memory switched?
• What document outlines the structure and duties needed for Navy personnel?
• What must be used in the construction of waveguides?
• What are the three different types of bearings?
• Which method of producing voltage involves the movement of friction?
• Sonobuoys that transmit an acoustic pulse and detect a resulting echo are classified as what type of sonobuoy?
• Which of the following emphasizes the need for a Sailor's integrity and accountability?
• Which of the following describes the nature of RAM?
• What provides ground or in-flight transponder testing capability in the APX-72 system?
• What primarily determines the valence of an atom?
• What is an ion?
• What type of watch is most commonly stood by Sailors?
• What is the purpose of any magnetic tape unit?
• Which type of instruction would involve a calculation in the control section?
• What does the acronym IFF stand for?
• Which tools should not be etched?
• When stamping wire identification numbers, at what interval should you stamp the wire?
• Which feature of memory makes EPROM different from standard ROM?
• What precaution should you take before removing a fuse?
• In port, where are the national ensign and union jack displayed on a commissioned ship?
• Which of the following is NOT considered a main source of pollutants?
• How many sections are there in the central processing unit?
• Which mode of IFF is set prior to takeoff by maintenance personnel?
• What is the transmission frequency of the interrogator in an IFF system?
• Which material is commonly used as a dielectric in waveguides?
• Which of the following is NOT a condition for using deadly force?
• What is a primary function of an active sonobuoy?
• What additional components are required for the IFF transponder set system to respond to Mode 4 interrogations?
• What type of loss is greatly reduced by the large surface area of waveguides?
• What is the primary means of communication for printers as output devices?
• When are side boys paraded?
• What is required for an individual to perform CPR?