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 are some examples of electrical equipment which use magnetism?
Last Answer : Motors, generators, speakers, computers, televisions, tape recorders, and many others
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 : When maintenance personnel are working on electrical equipment, all supply switches should be secured in the open position and tagged specifically by the _____________. A. watch engineer B. chief engineer or first assistant C. chief electrician D. person performing the repair
Last Answer : Answer: D
Description : When working on electrical circuits containing large capacitors, in addition to deenergizing the circuit, which of the listed precautions should also be taken? A. Keep all radio equipment ... capacitor insulation resistance. C. Ground the capacitor terminals. D. Check capacitor circuit polarity.
Last Answer : Answer: C
Description : Fixed capital investment of a chemical plant is the total amount of money needed to supply the necessary plant and manufacturing facilities plus the working capital for operation of the facilities. Which of ... (B) Equipment installation cost (C) Cost for piping (D) Equipment insulation cost
Last Answer : (D) Equipment insulation cost
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 : Air gap readings for electrical generating equipment should be taken periodicly. This is to _______. I. determine the condition of the bearings II. prevent damage to the rotor and stator A. I only B. II only C. both I and II D. neither I or II
Description : Air gap readings should be taken on electrical generation equipment periodicly to ________. I. check machine effeciency II. determine the need for cleaning A. I only B. II only C. both I and II D. neither I or II
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 procedure should you use when a power input to your equipment is missing?
Last Answer : Work backwards from the load to the source.
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 type of maintenance involves isolating equipment troubles and replacing defective parts?
Last Answer : Corrective maintenance.
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 : 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 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 : 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 : 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 : 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 : You plan to measure your tape recorder’s SNR. What test equipment will you need?
Last Answer : A VTVM and a signal generator.
Description : What are the functions of cryptographic equipment?
Last Answer : To code or decode messages.
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 : 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 : 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 : In the right-hand rule for propagation, the thumb points in the direction of the E field and the forefinger points in the direction of the H field. In what direction does the middle finger point?
Last Answer : Direction of wave propagation.
Description : When using the tight-hand rule to determine precession, which finger indicates the direction of the applied force?
Last Answer : Middle finger.
Description : Is it considered safe for a person to touch any energized low-voltage conductor with the bare hand?
Last Answer : NEVER! All energized electric circuits should be considered potentially dangerous.
Description : What restrictions are placed on the use of the electrical lock method?
Last Answer : It can be used only if the leads of the synchro are accessible and the rotor is free to turn.
Description : What type of flux must be used in all electrical and electronic soldering?
Last Answer : Noncorrosive, nonconductive rosin fluxes.
Description : What is the tin-lead alloy percentage of solder used for electrical connectors, splices, and terminal lugs?
Last Answer : 60-percent tin and 40-percent lead (60/40 solder).
Description : Which quantity (voltage or current) determines the intensity of an electrical shock?
Last Answer : Current.
Description : What is the output voltage of a CT when it is set on electrical zero?
Last Answer : Zero or minimum voltage.
Description : What is the name given to the electrical output of a CT?
Last Answer : Error signal
Description : What is the amplitude and voltage induced into the rotor when the CX is turned 90º while the CT remains on electrical zero?
Last Answer : The voltage is maximum and in phase with the ac excitation voltage to the CX.
Description : When a CT is on electrical zero, what is the relationship between its rotor and the S2 winding?
Last Answer : They are perpendicular to each other.