Electronics Technician E-5 Advancement Practice Exam

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• Most power supplies are made up of the following four basic sections: transformer, rectifier, filter, and what else?
• How many sources of error must be compensated for in order for satellite ranging to provide accurate position data?
• What gate is simply an AND gate with an inverter (NOT gate) at the output?
• What is the primary function of a transistor in a circuit?
• Which type of wire is best suited for carrying an electric current?
• What device is utilized for detecting shorts in a circuit?
• Which type of materials are relatively easy to magnetize?
• Which type of transistor is known for its ability to switch quickly and efficiently?
• Which type of meters operate from their own power sources?
• Printed circuit boards are stacked and connected together to form a module using what technique?
• What device is used to measure changes in speed or direction along the axis in which they lie?
• What display type shows the surrounding area with the radar origin normally at the center of the screen?
• What is the opposition that a material offers to the magnetic lines of force called?
• What is an energy wave called that is generated by a transmitter?
• What term describes the filter circuit's ability to distinguish between high and low frequencies?
• What is the EHF frequency range?
• Which type of synchros are designed to handle the movement of heavy loads?
• How many basic configurations may a transistor be connected in?
• What part of a number system indicates the number of symbols used?
• Carrier-Controlled Approach (CCA) along with which other system guides aircraft to safe landings, even under conditions approaching zero visibility?
• What is a basic tool used to solve electrical problems?
• What are non-sinusoidal oscillators generally called?
• What is the estimating of a ship's position between known navigational points called?
• Which wire property is used to determine what size is needed for a given load, or current drain?
• What is the amount of change of resistance per unit change in temperature known as?
• What are errors arising from imperfections in phase measuring circuits and radio propagation effects known as?
• How many units categorized into four major subsystems does the AN/SPN-46(V)1 system consist of?
• What is defined as a sinusoidal wave with a frequency that is a multiple of the fundamental frequency?
• What is current inversely proportional to?
• What phenomenon slowly dissolves components in the primary seawater cooling system due to dissimilar metals?
• Which instrument would best help analyze the frequency components of a signal?
• How many connections does a potentiometer always have?
• Which radar performs navigation, station keeping, and general surface search duties on DDG 51 class ships?
• Which are the two principal ways in which electromagnetic (radio) energy travels from a transmitting antenna to a receiving antenna?
• What is a very narrow pulse called in electronics?
• Which type of logic gate requires all inputs to be true at the same time for the output to be true?
• How are synchro systems generally classified?
• What permits control of the electrical device and interrupts the current delivered to the load?
• Which cooling system is meant to transfer heat from the electronic components being cooled to the primary cooling system?
• What is the most widespread use of Zener diodes?
• What steps up or steps down the input line voltage and isolates the power supply from the power line?
• What maintains the output of the power supply at a constant level despite large changes in load current or input line voltage?
• Which type of energy is contained by an object due to its position?
• Which transistor properties are the direct voltage and current values that, if exceeded, may result in transistor failure?
• Which type of line exhibits no standing waves of current and voltage?
• Which frequency range are synchros designed to operate on?
• Which system is utilized by all branches of the military to identify equipment through standardized nomenclatures?
• Which of the following quantities is NOT measured in ohms?
• Which substance cannot be reduced to a simpler substance by chemical means?
• What is the natural resonant frequency of a crystal oscillator?
• What is the primary purpose of a logic probe in electronics?
• Which radar set provides both azimuth and elevation data for precision approaches to aircraft carriers during adverse weather conditions?
• What is defined as the science of reasoning?
• What is the faithful reproduction of a signal called?
• What allows a system to use the same antenna for both transmitting and receiving?
• What term describes the sine wave with the lowest frequency in a complex periodic wave?
• Which type of voltage is used to represent the logic '1' state of a statement?
• Which type of navigation involves comparing the phase angles of two or more radio signals that are synchronized to a common time base?
• What instrument is employed to measure frequencies already present in a circuit?
• Audi amplifier, RF amplifier, along with what else are the three broad categories of frequency response for amplifiers?
• What is the MF frequency range?
• Which factor does NOT influence the resonant frequency in a cavity?
• Which high-speed, computer-controlled test set isolates faults to the component level?
• What field is associated with the energy stored in an antenna?
• What is the primary lower-frequency limitation of waveguides?
• Periodic waveforms are non-sinusoidal except for what type?
• Which type of waveguide provides the most efficient mode of energy transmission?
• Capacitance opposes changes in voltage, while what opposes changes in current?
• Which type of meter is used to measure very low currents, such as those in bridge circuits?
• What device is primarily used for measuring electrical quantities in a circuit?
• Which type of device enables an input signal to control an output signal?
• What is microwave theory based on?
• Which type of device limits some part of a waveform from exceeding a specified value?
• Seawater systems are also referred to as what, besides one-pass systems?
• How many layers compose the ionosphere?
• Which type of multivibrator is commonly used in computer logic systems and communication navigation equipment?
• Which theory assumes that all magnetic substances are composed of tiny molecular magnets?
• How many types of system flowmeters are installed aboard ships?
• What is the VLF frequency range?
• What were the very first transistors known as?
• What is a material in which the forbidden gap is so narrow that it can be considered nonexistent?
• What is the simplest form of a practical antenna?
• Which form of communication was the first to hold significance for military and commercial use through radio?
• Which type of waveform undergoes a pattern of changes that returns to its original pattern and repeats the same pattern of changes?
• What method entails moving from one known point to a distant point?
• Type II (SW/DW, CW/DW) systems cannot accept distilled water temperatures higher than what maximum degree?
• What characteristic of a circuit is most directly affected by changes in resistance?
• How many conductivity cells monitor the coolant through the demineralizer?
• What is considered the most accurate method of zeroing a synchro?
• What type of circuit is commonly used in timing or counting applications to represent input pulses with output voltage?
• What is the measurement of work expressed in?
• Which instrument is used to visualize the shape of a video pulse at a designated test point?
• What is the division between whole numbers and fractional numbers in any base other than decimal?
• What is the ability of a filter circuit to reduce unwanted frequencies known as?
• The cooling water for the primary cooling system is typically which type aside from seawater?
• What is the basic building block of all batteries?
• What term describes the reduction of amplitude in an oscillator circuit?
• What is the reference point for alignment of all synchro units?
• How can higher current capacity be achieved in batteries?
• Which of the following is true about ferromagnetic materials?
• Which device is capable of supplying and maintaining voltage while some type of electrical apparatus is connected to its terminals?
• What can be used to measure capacitance, inductance, and resistance with precise accuracy?
• In waveguides, what does the term "cutoff frequency" refer to?
• When using voltmeters to measure voltage, how must they be connected with a circuit?
• Which type of wave travels along the surface of the Earth?
• What is the term for the distance from the transmitter to the point where the sky wave is first returned to Earth?
• What occurs when the base becomes so negative with respect to the emitter that changes in the signal are not reflected in collector-current flow?
• Which two instruments are primarily used to check continuity or measure resistance in a circuit?
• Who proved by an experiment that a precise relationship exists between current, voltage, and resistance?
• Which device samples energy from within a waveguide for measurement?
• What are the two kinds of resistors?
• What program covers all phases of miniature and microminiature repair?
• Which type of basket strainer consists of a Y-pattern body housing a wire mesh basket?
• Which electronic filter allows higher frequency components to pass to a load or next circuit?
• What is the time called for one complete cycle of a waveform?
• Which system provides safe and reliable final approach and landing for Precision Approach Landing System (PALS)-equipped carrier-based aircraft, during daylight or darkness?
• Which type of cooling system is typically found on large equipment installations where substantial heat is generated?
• In which unit is the heat dissipating capability of a resistor measured?
• What is the process of upsetting electrical neutrality known as?
• What is the frequency range classified as HF in the electromagnetic spectrum?
• Which basic liquid cooling system is utilized in environments where temperature range is critical?
• What is current called that flows in pulses in the same direction?
• What long-distance navigation system is utilized by ships to obtain a position fix at sea?
• What is a coil and a capacitor connected in series or parallel commonly referred to?
• What is the fundamental role of telecommunications in modern society?
• Training requirements for miniature and microminiature repair personnel were developed under guidelines established by whom?
• Which statement best describes a nonsinusoidal waveform?
• Which term is used to describe the amplification capabilities of the amplifier?
• What phenomenon allows for the propagation of electromagnetic energy in waveguides?
• Which polar coordinate type radio air-navigation system provides an aircrew with distance and bearing information?
• In what year was the first transistor discovered?
• The AN/SPS-55 radar detects targets from as close as 50 yards to as far as how many nautical miles?
• What factor governs reactance at a specific frequency?
• Which type of circuits are utilized for timing and require a particular voltage shape or spike?
• Which command manages general purpose electronic test equipment?
• Which of the following is NOT a method of measuring electrical current?
• What is used to maintain secondary cooling system water in an ultrapure state?
• How many types of antennas are used with the AN/URN-25?
• What is the temperature at which water vapor begins to deposit as a liquid?
• Which amplifier property refers to the ratio of output-signal power compared to the total input power?
• What is a direct measure of the quality of an LC circuit?
• What method is used in synchro receivers to prevent the rotor from oscillating or spinning?
• At what altitude are Navy Navigational Satellite System (NNSS) satellites placed in a circular polar orbit?
• Which type of transmission line has a finite length and is not terminated in its characteristic impedance?
• What is a waveform that is not a sine wave referred to as?
• What is the primary function of a switch in an electrical circuit?
• What is the basic shape of the wave generated by a transmitter?
• Conductors, semiconductors, and what else are the three categories that all elements that make up matter can be placed into?
• Which model of SINS is installed or being installed on surface combatants?
• Which cooling method is limited in its effect because it relies on natural airflow?
• What is considered a general purpose tester for electronic assemblies?
• When was the first use of radiotelephone communication between ships recorded?
• Who is credited with first using the terms positive and negative to describe the two opposite kinds of electricity?
• Which branch of navigation uses landmarks with known positions to determine a ship's location?
• What are inductors (coils) when used for high frequency compensation called?
• What are the main losses in a transformer?
• What is the molded composition type of resistor usually referred to as?
• What is a battery composed of?
• In what ways are transistors classified?
• How many secondary distilled water circulating pumps does each cooling system have?
• The efficiency of the orifice flowmeter can be as low as what percent?
• Which type of temperature regulating valve is used where seawater is the primary cooling medium in the heat exchanger?
• Bar, horseshoe, along with what else are three general classifications of magnets?
• What are two terminal semiconductors of various types used in seemingly endless applications?
• What is an online system that continually monitors the performance of electronic systems?
• Which artificial satellite allowed scientists to realize that navigation based on satellite signals was possible?
• What is the LF frequency range?
• What is a requirement to sustain oscillations in an oscillator?
• What is the SHF frequency range?
• How many basic coolant systems is a typical liquid cooling system composed of?
• What phenomenon results in the loss of energy of a radio wave and affects communication over long distances?
• What is designed to limit the output of the desiccant air dryer should the output of air increase beyond the limits of the dryer's capability?
• What is the practical unit adopted for measuring electric charges?
• What frequency band is primarily used for sky wave propagation?
• Which classification of amplifier operation allows for the input signal to completely pass through without distortion?
• What phenomenon occurs in a tuned circuit involving inductance and capacitance?
• Which type of antenna has a length equal to half the wavelength of the signal being transmitted?
• What is a pn junction that is designed to operate in the reverse bias breakdown region?
• What is defined as anything that occupies space and has weight?
• How many major elements does the centrifugal pump have?
• Insulation resistance, along with what other property, are the two fundamental properties of insulating materials?
• What function can a multimeter serve to measure current flow in a circuit?
• What is one of the greatest dangers to the transistor that will cause excessive current flow and eventual destruction?
• What converts the alternating current input signal to a pulsating direct current?
• What is the name of the general-purpose test system used to isolate faults in electronic plug-in assemblies?
• What is returning a part of the output back to its input known as?
• What term describes the amount of time required to complete one full cycle of a radio wave?
• What is the UHF frequency range?
• Which transmission media is more efficient than two-wire lines for transferring electromagnetic energy?
• What is a single slender rod or filament of drawn metal called?
• Which type of navigation system continuously computes the latitude and longitude of the ship by sensing acceleration?
• What is the reciprocal of resistance?
• Which radar set computes and records the speed of aircraft making a landing approach to a carrier?
• What type of device operates on the photoelectric principle?
• Which terms are AC voltages normally specified in?
• What is the process by which an atom loses or gains electrons?
• Which type of device produces two signals that differ in phase from each other from a single input signal?
• What type of radar is used at Naval Air Stations and Marine Corps Air Stations for air traffic control operations?
• For maximum absorption of electromagnetic fields, where must the receiving antenna be located?
• What is one of the easiest ways to create a static charge?
• What do electrodes serve as in a battery?
• What is the most common shipboard GPS receiver at the time of this publication?
• What can be constructed to easily analyze a circuit?
• How many types of atmospheric delay can affect the accuracy of navigation set signal measurements?
• What is the reciprocal of conductivity?
• What is a common use of directional couplers in waveguides?
• What is the primary surface search and navigation radar, with limited air search capabilities for CVNs?
• What prepares tables showing the safe current ratings for sizes and types of conductors with various types of insulation?
• Which type of flowmeter uses a flat plate with a hole in it which causes a considerable loss of pressure downstream?
• What is caused by very low resistance and results in a slow transient response?
• Which two fundamental fields are associated with every antenna?
• What is the most common method used to couple RF amplifiers?
• Which instrument is used to indicate the potential difference between two points in a circuit?
• Which type of oscillators generate complex waveforms like square or sawtooth waves?
• How many major groups does the AN/GPN-27 radar include?
• What type of magnets are made from substances such as hardened steel and certain alloys that retain a great deal of their magnetism?
• How many basic types of mercury cells are currently manufactured?
• Which amplifier class has the highest efficiency of the four classes of amplifier operations?
• What physical principle allows for the curvature of radio waves around obstacles?
• What is the most basic type of power supply filter?
• What is the existence of an electric force where current cannot flow referred to as?
• Which device furnishes the electrical energy used by the load?
• What is the process of heating an insulating material by placing it in a high-frequency electric field called?
• What does amplitude stability in a transistor oscillator indicate?
• What is any device that is permanently mounted in the prime equipment for testing purposes?
• What can be used to check a varactor diode in a circuit?
• What is the primary purpose of limiting circuits in electronics?
• As of the latest information, how many basic liquid cooling system configurations are implemented in the U.S. Navy?
• What principle underlies many position-sensing devices such as synchros?
• Which type of logic device has an output that is opposite of the input?
• In relation to square waves, which term indicates that the waveform must be perfectly square?
• What is caused by a small part of the signal from the amplifier output being sent back to the input of the amplifier?
• What are the two broad categories of wave generators based on their output wave shapes?
• Which Tactical Air Navigation signals have top priority?
• What is the best conductor of electricity?
• Which principle do most common meters (voltmeters, ohmmeters, ammeters) operate on?
• Which type of temperature regulating valve is used where chilled water is the primary cooling medium in the heat exchanger?
• Which antenna group is a solid-state, high-performance, electrically-scanned TACAN antenna system?
• What occurs when free electrons and positive ions collide with each other?
• For transformers, what term refers to the amount of energy transferred from the primary to the secondary of the transformer?
• Which type of feedback is critical for sustaining oscillations in an oscillator circuit?
• How many classes of amplifier operations are there?
• What is the number of cycles of a sine wave that are completed in 1 second known as?
• What term is used to describe a situation where a transistor reaches its maximum current capacity?
• Which type of circuit is most often used to generate square or rectangular waves?
• What is a term that is true in one part of an expression will be true in all parts of the expression?
• Which theory states that all matter is composed of smaller particles called protons, electrons, and neutrons?
• What can measure resistance, capacitance, and inductance with precision?
• What is each completed pattern of a periodic waveform called?
• How is electric power typically measured in an electrical circuit?
• What characterizes the stability of oscillators in electronic circuits?
• What are the decision-making circuits of computers and other types of digital equipment?
• What state is the atom said to be in when it loses electrons or gains electrons?
• What is the correct way to connect ammeters when measuring current in a circuit?
• What is the most frequently used arrangement in practical amplifier circuits?
• What is the approximate dry air pressure in high-power waveguide runs?
• Where is the constant flow regulator installed in relation to the heat exchanger when used with the chilled-water system?
• What is any device called in which an electrical current flows and which changes this electrical energy into a more useful form?
• What are the two types of primary cells?
• Which system is designed to monitor performance trends and isolate faults in removable assemblies?
• What is the most efficient way to transfer electromagnetic energy?
• In what year was the first official naval radio message successfully sent from ship to shore?
• How would you describe an arrangement of components designed to perform specific operational functions?
• Which type of devices either produce light or use light in their operation?
• What are two general classifications of integrated circuits?
• Which term describes the size of the signal?
• Which component is essential for ensuring signals can be viewed simultaneously in dual-trace oscilloscopes?
• Who usually maintains the height-finding radars installed aboard Navy ships?
• What is the process of sending part of the output signal of an amplifier back to the input of the amplifier called?
• What is used to test and align various types of transmitters and receivers?
• What type of oscillators use resistors and capacitors to form their frequency-determining networks?
• Which type of navigation deals with fixing a platform's location for effective weapon system function?
• Which physical property of a wave is directly related to its frequency?
• When a transmission line is not terminated in its characteristic impedance, what is it referred to as?
• What is the amount of magnetism that remains in a temporary magnet referred to as?
• What is the maximum number of valence electrons that conductors can have?
• What is the term for the ratio of maximum voltage to minimum voltage on a line?
• Type I (SW/DW) systems are designed for electronic installations that operate satisfactorily with seawater temperatures up to what maximum degree?
• What is the space between and around charged bodies in which their influence is felt?
• Which type of equipment air dryers are installed in electronic equipment?
• What functionality does dual-trace operation provide in oscilloscopes?
• What is the name of the automatic shipboard navigation set that provides a continuous display of the ship's position?
• What describes the condition where voltage drops across reactances exceed the applied voltage at resonance?
• Which term means that the output signal is just like the input signal in all respects except amplitude?
• What are the two stability requirements commonly needed for equipment using oscillators?
• Which two variables determine the primary frequency of any resonant cavity?
• What do synchros primarily transmit rapidly between equipment and stations?
• What term is given to devices used for position-sensing in various applications?
• On what principle is GPS navigation based?
• What do we call the phenomenon that occurs when an antenna receives waves in a specific orientation?
• What principle do synchros operate on?
• What is any undesired change in a signal from input to output?
• Which of the following can be regarded as an amplifier that provides its own input signal?
• What type of wave is produced when an electron beam is removed quickly from its target surface?
• Which process solves the problem of interelectrode capacitance in the transistor of an RF amplifier?
• Which equation represents Ohm's Law?
• What frequency range does the AN/SPS-67(V) radar set operate in using a coaxial magnetron as the transmitter output tube?
• In which scenario would potential energy be most prevalent?
• What term describes the duration that phosphor on a screen remains illuminated after an electron beam is turned off?
• What is the magnitude of current measured in?
• What is a special extended normal charge given periodically to batteries called?
• What major function do synchros perform in electronic systems?
• What is a combination of elements and compounds that are not chemically combined and can be separated by physical means?
• Which of the following materials would most likely be used to create a permanent magnet?
• What is primarily used in some waveguide systems to increase the dielectric constant inside the waveguide?
• What type of circuit is used to clamp or restrain a waveform to a fixed DC potential?
• What is the radar system used on carriers and amphibious-type ships that operates in a 2-4 GHz frequency band?
• How many interrogating aircraft can the Tactical Air Navigation AN/URN-20 set simultaneously provide individual distance measuring service for?
• What phenomenon can occur when damping is introduced in an oscillator circuit?
• Which type of test system is off-line but general-purpose?
• How are potentiometers typically connected?
• Which type of device converts light energy into electrical energy?
• What devices are used for taking depth soundings?
• What primarily determines the opposition presented to the input terminals of a short transmission line?
• What is the result when two or more elements are chemically combined?
• Which system continuously monitors electronics performances and faults?
• Which type of voltage source uses chemical action to produce voltage?
• What is a light-controlled variable resistor?
• What is defined as the transmission, emission, or reception of signs, signals, writings, images, or sounds over a distance?
• Which devices in signal generators are responsible for regulating the output signal voltage?
• What are hollow metal tubes used to transfer energy from one point to another called?
• What type of oscillator obtains its DC power for the transistor separately and parallel to the tank circuit?
• What primarily determines the frequency of oscillation in an RC oscillator?
• Which electrical action causes rapid corrosion of metals when dissimilar metals contact?
• What is the most common radar indicator group used in the Navy?
• What is the name of the space occupied by one full cycle of a radio wave at any given instant?
• What are the three essential parts of a complete antenna system?
• What is the process known as of transferring energy between circuits?
• What is the unit of conductance?
• What is a frequency that is a whole number multiple of a smaller basic frequency called?
• What is the HF frequency range?
• What are the two types of variable resistors?
• Which type of energy is contained by an object due to its motion?
• Which element is the most widely used conductor throughout electrical applications?
• What physical property is described by the term 'residual magnetism'?
• What does the term reluctance refer to in magnetism?
• How many basic types of filter circuits are there?
• Which term best describes the effectiveness of an insulating material's ability to resist electrical flow?
• Transistors are semiconductor devices with how many or more terminals?