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 : 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 system is currently used by all branches of the military to identify test equipment?
Last Answer : Joint Electronics Type Designation System (JETDS).
Description : NELAT and VAST are examples of what type of test equipment?
Last Answer : Off-line.
Description : What test equipment continuously monitors electronic systems?
Last Answer : On-line.
Description : List the three groups of test equipment used for fault isolation in 2M repair.
Last Answer : On-line, off-line, and General Purpose Electronic Test Equipment (GPETE)
Description : You plan to measure your tape recorder’s SNR. What test equipment will you need?
Last Answer : A VTVM and a signal generator.
Description : Why should you avoid using ac-powered test equipment when wearing a wrist strap?
Last Answer : For your own safety.
Description : The frequency response of test equipment refers to what aspect of ac voltage measurements?
Last Answer : the range of frequencies that can accurately be measured.
Description : The input impedance of your test equipment should exceed the impedance of the circuit under test by what ratio?
Last Answer : 10 to 1
Description : What assures the accuracy of your electronic test equipment?
Last Answer : Its calibration.
Description : Which of the two general classes of antennas is most often used with radar?
Last Answer : Directional.
Description : What are the four main classes of regular variation which affect the extent of ionization in the ionosphere?
Last Answer : Daily, seasonal, 11-year, and 27-days variation
Description : What are the four classes of operation of a transistor amplifier?
Last Answer : A, AB, B, C.
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 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 : 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.
Description : What type(s) of flux should never be used on electronic equipment?
Last Answer : Chloride or (acid) and organic.
Description : What agencies provide training, tools, equipment, and certification of the 2M system?
Last Answer : Naval Sea Systems Command (NAVSEASYSCOM) and Naval Air Systems Command (NAVAIRSYSCOM)
Description : In what publication are environmental requirements for equipment defined?
Last Answer : Procurement specifications.
Description : What are some examples of electrical equipment which use magnetism?
Last Answer : Motors, generators, speakers, computers, televisions, tape recorders, and many others
Description : What equipment should you use to de-magnetize a magnetic tape transport?
Last Answer : A hand-held degausser.
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 types of modulation are shipboard receive-only equipment designed to receive?
Last Answer : Fm or psk.
Description : What is the function of shipboard receive-only equipment?
Last Answer : To receive fleet multichannel tty broadcasts
Description : What are the functions of cryptographic equipment?
Last Answer : To code or decode messages.
Description : What should you do if you become aware of a possible malfunction in a piece of electrical equipment?
Last Answer : You should immediately report this condition to a qualified technician
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 : Ships’ generators produce 450-volt, three-phase, ac power; however, most equipment uses 117-volt, single-phase power What transformers and connections are used to convert 450- volt, threephase power to 117-volt, single-phase power?
Last Answer : A method of generating oscillations, a method of turning the oscillations on and off (keying), and an antenna to radiate the energy.
Description : When you are using an ohmmeter to test a transistor for leakage, what is indicated by a low, but not shorted, reverse resistance reading?
Last Answer : A leaking transistor
Description : Is an ammeter connected in series or in parallel with the circuit under test?
Last Answer : . In series.
Description : What must be used to test an activated circuit?
Last Answer : Approved meters or other indicating devices
Description : When measuring receiver sensitivity, what quantities must you add to the dBm reading obtained on the signal generator or test set?
Last Answer : Attenuations of the directional coupler and the connecting cable.
Description : When measuring harmonic distortion, you set the signal generator to input a 15-kHz test signal. To what frequency should you set the wave analyzer?
Last Answer : 45 kHz.
Description : What is the main advantage of using a time-domain reflectometer (tdr) to test a transmission line?
Last Answer : Tdr will indicate the nature of and the distance to or location of any faults.
Description : What capability allows the arithmetic/logic section to test various conditions encountered during processing and take action based on the result?
Last Answer : Logic.
Description : How can test personnel eliminate the effects of backscatter variations?
Last Answer : By performing the OTDR attenuation measurements in each direction along the test fiber.
Description : Why is a dead-zone fiber placed between the test fiber and OTDR when conducting attenuation measurements?
Last Answer : To reduce the effect of the initial reflection at the OTDR
Description : What is the advantage of using a battery test set versus a voltmeter to test batteries?
Last Answer : A battery test set will test batteries under load conditions.
Description : When you are using an ohmmeter to test a transistor, what range settings should be avoided?
Last Answer : Any range setting that produces a current flow through the transistor that exceeds 1 milliamp (usually R x 1 range)
Description : How is an ammeter connected to the circuit under test?
Last Answer : In series.
Description : The development of excessive test voltages is avoided by the use of meggers equipped with what device?
Last Answer : Friction clutches.