Description : What type of flux must be used in all electrical and electronic soldering?
Last Answer : Noncorrosive, nonconductive rosin fluxes.
Description : What test equipment is designed to generate, modify, or measure a range of parameters of electronic functions of a specific nature required to test a single system or equipment?
Last Answer : Special-purpose electronic test equipment.
Description : What test equipment continuously monitors electronic systems?
Last Answer : On-line.
Description : Why are most ships limited in their ability to stock replacement modules for repair of electronic equipment?
Last Answer : Lack of adequate storage space.
Description : What assures the accuracy of your electronic test equipment?
Last Answer : Its calibration.
Description : Why should you never place floppy disks near telephones or other electronic equipments that generate magnetic fields?
Last Answer : Magnetic fields can destroy the data on a disk.
Description : Which type of flux should be used when soldering electrical wire connections and electronic components? A. Silver flux B. Rosin flux C. Solid flux D. Acid flux
Last Answer : Answer: B
Description : What characteristic(s) of radiated energy is (are) altered to achieve electronic scanning?
Last Answer : Frequency or phase.
Description : What purpose does flux serve in the soldering process?
Last Answer : It cleans the metal by removing the oxide layer and prevents further oxidation during the soldering
Description : What effect does flux leakage in a transformer have on the coefficient of coupling (K) in the transformer?
Last Answer : it causes K to be less than unity (I).
Description : What is "leakage flux?"
Last Answer : Lines of flux generated by one winding which do not link the other winding.
Description : How is the effect of load flux on control flux eliminated in a saturable-core reactor?
Last Answer : use two load windings whose flux effects cancel in the core of the reactor or use two load windings on two toroidal cores so that load flux always aids control flux in one core and opposes control flux in the other core.
Description : Flux aids in soldering by removing what from surfaces to be soldered?
Last Answer : Oxides.
Description : The induced current in transformer which produced in the direction perpendicular to flux, is known as: a. Conventional current b. electronic current c. Perpendicular current d. Eddy current
Last Answer : c. Perpendicular current
Description : The varactor is a pn junction that acts as what type of electronic device?
Last Answer : Variable capacitor.
Description : What type of interface electronics is used in many naval electronic warfare systems?
Last Answer : NTDS interface.
Description : What type of maintenance involves isolating equipment troubles and replacing defective parts?
Last Answer : Corrective maintenance.
Description : What type of equipment normally uses 26-volt 400-hertz synchros?
Last Answer : . Aircraft.
Description : What is the most common type of integrated circuit packaging found in military equipment?
Last Answer : DIPs (dual inline packages).
Description : NELAT and VAST are examples of what type of test equipment?
Last Answer : Off-line.
Description : What type of equipment should you use to demagnetize your recorder's magnetic heads?
Last Answer : A hand-held degausser like the manual degaussers used for degaussing magnetic tape.
Description : What electronic function made the transistor famous?
Last Answer : Amplification.
Description : In applications where electronic waveforms are displayed on a CRT screen, the input signal is normally applied to what CRT element?
Last Answer : The vertical-deflection plate.
Description : For power measurements, what advantage does an electronic wattmeter have over an electrodynamic wattmeter?
Last Answer : Electronic wattmeters are capable of measuring high-fequency signals.
Description : What are the two most common semiconductor materials used in electronic and electro-optic devices?
Last Answer : Silicon and gallium arsenide.
Description : Technological advancement is measured by what, in the electronic computer world?
Last Answer : Generations.
Description : In electronic computers, vacuum tubes were replaced by transistors and transistors have been replaced by what device?
Last Answer : Integrated circuits.
Description : Solder used in electronic repair is normally an alloy of what two elements?
Last Answer : Tin and lead.
Description : List two causes of damage to ESD-sensitive electronic components
Last Answer : Esd, improper stowage, and improper handling.
Description : What is the most common source of heat in electronic soldering?
Last Answer : Conductive-type soldering iron.
Description : To what standards should a technician restore electronic assemblies?
Last Answer : Manufacturer's standards.
Description : What material is applied to electronic assemblies to prevent damage from corrosion, moisture, and stress?
Last Answer : Conformal coating
Description : In what publication would you find guidelines for performance of military electronic parts?
Last Answer : Military Standards.
Description : What problems were evident about military electronic systems during World War II?
Last Answer : Size, weight, and power consumption.
Description : How is an overload condition indicated by the electronic digital multimeter?
Last Answer : Simultaneous flashing of display readouts
Description : Power for the electronic digital multimeter is normally supplied by what internal power source?
Last Answer : Rechargeable batteries.
Description : Why do electronic devices use amplifiers?
Last Answer : To amplify the input signal to a usable level.
Description : When working on electrical equipment, why should you use only one hand?
Last Answer : . To minimize the probability of providing a path for current through your body.
Description : Before working on electrical equipment containing capacitors, what should you do to the capacitors?
Last Answer : Discharge them by shorting them to ground.
Description : What calibration label is used when actual measurement values must be known to use the test equipment?
Last Answer : CALIBRATED—REFER TO REPORT.
Description : Name the two classes of test equipment.
Last Answer : General-purpose electronic test equipment (GPETE) and special-purpose electronic test equipment (SPETE).
Description : What system is currently used by all branches of the military to identify test equipment?
Last Answer : Joint Electronics Type Designation System (JETDS).
Description : What is a clock with regard to digital equipment?
Last Answer : A timing signal.
Description : In flowcharting, what method is used to represent different operations, data flow, equipment, and so forth?
Last Answer : Different shaped symbols.
Description : Where would you find the wire identification system for a specific piece of equipment?
Last Answer : In the technical manual for the equipment
Description : What procedure should you use when a power input to your equipment is missing?
Last Answer : Work backwards from the load to the source.
Description : When you are testing a piece of equipment for intermodulation distortion, what should the output of the equipment look like?
Last Answer : An exact reproduction of the input.
Description : What equipment uses a calibrated resonant circuit to measure frequency?
Last Answer : Wavemeter.