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By what means is electric power measured?
Wattmeter
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Which system is used by all branches of the military to identify equipment by a system of standardized nomenclatures?
JETDS
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Which year was the Electronic Test Equipment Classification Board established to control the increased use of undesirable electronic test equipment (ETE) in fleet and shore activities?
1973
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Which command manages general purpose electronic test equipment?
SPAWARSYSCOM
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What has the responsibility for evaluating requests to purchase nonstandard GPETE and for recommending its approval or disapproval to NAVSEA?
NESEA
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Which two basic elements does the SCLSIS program have?
Validation and Inventory updating
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Which type of instrument measures the rate at which a shaft is turning?
Tachometer
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Who oversees the MEASURE program and establishes policy and guidelines?
CNO
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What can be used to measure capacitance, inductance, and resistance for precise accuracy?
AC Bridges
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Power measurements for af circuits are usually indicated in terms of decibels (dB) or decibels referenced to what?
1 milliwatt (dBm)
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Which type of unit expresses the logarithmic ratio between the input and the output of any given component, circuit, or system?
Bel
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Which type of device is the simplest type of frequency meter?
Vibrating-reed
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Which high-speed electronic counter has an accurate, crystal-controlled time base?
Electronic frequency counter
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Tube failures account for over what percent of the failures in electron-tube equipments?
90
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Transistors are easily damaged by high current; therefore, resistance measurements must not be taken with an ohmmeter that provides a maximum current output in excess of what?
1 milliampere
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When you are using ammeters, a primary rule of safety is that such current-measuring instruments must always be connected what way with a circuit?
In-Series
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When voltmeters are used, a primary rule of safety is that such voltage-measuring instruments must always be connected in which way with a circuit?
Parallel
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The maximum current range of electrodynamic wattmeters is normally restricted to approximately how many amperes?
20
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Which device is used to check for shorts?
Ohmmeter
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Good-quality, portable wattmeters usually have an accuracy of 0.2 to what percent?
0.25
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If the standing wave ratio is greater than what, then the transmission line efficiency has decreased and troubleshooting is necessary?
1.5 to 1
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What produce signals that include the audio range and extend into the rf range?
Video signal generators
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HP 8640B signal generator covers the frequency range of 500 kilohertz to 512 megahertz, and can be extended to what by using adapters?
1,024 MHz
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What produces a constant amplitude, low distortion sine wave test signal?
Oscillator
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What assures proper impedance matching between the probe and oscilloscope?
Impedance equalizer
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Which type of test equipment has the capability, without modification, to generate, modify, or measure a range of parameters of electronic functions required to test two or more equipments or systems of basically different design?
GPETE
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What was specifically designed to generate, modify, or measure a range of parameters of electronic functions of a specific or peculiar nature required to test a single system or equipment?
SPETE
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Which program was designed to keep track of all installed and portable equipment in the fleet?
SCLSIS
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Which label has black lettering on a white background that comes in two sizes and is the most commonly used label in the METCAL program?
Calibrated
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Which label has red lettering on a white background and is used when you must know the actual measurement values to use the instrument?
Calibrated – Refer to report
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What is the checking, adjusting, or systematically aligning a test instrument to a known standard known as?
Calibration
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You can convert any figure expressed in bels to decibels by multiplying that figure by what?
10
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Which labels or tags are used when some unusual or special condition in the calibration should be drawn to your attention and have black letters on a yellow background?
Special calibration
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Which label has black lettering and a white background and is affixed when the calibration is performed by the user?
User calibration
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Which label has green lettering and a white background and is used in the event that an individual instrument due for recalibration will not be used for some time in the future?
Inactive-calibrate before use
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Which data processing system was designed to provide a standardized system for the recall and scheduling of test, measurement, and diagnostic equipment (TMDE) into calibration facilities?
Measure
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Which two main categories is the maintenance of electrical and electronic equipment divided into?
Preventive and Corrective
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Transistors, however, are capable of operating in excess of how many hours at maximum rating without failure?
30,000
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Which label has black letters on a white background that is placed over readily accessible (usually exterior) adjustments to prevent tampering by the user when such tampering could affect the calibration?
Calibration-void if seal is broken
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What can be used to graphically display the back-and-forward resistance characteristics of a crystal diode?
Oscilloscope
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Which IMA policies purpose is to streamline the procedure and cut down delays in returning your equipment to you calibrated and ready to use?
No reject
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To prevent damage to electrical measuring instruments, you should observe the precautions relating to three hazards: mechanical shock, exposure to magnetic fields, and what else?
Excessive current flow
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What are used as filters for the passage or rejection of specific frequencies?
Tuned circuits
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Which calibrated resonant circuits are used to measure frequency?
Wavemeters
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Which type of device sweeps over a band of frequencies to determine what frequencies are being produced by a specific circuit under test and the amplitude of each frequency component?
Spectrum Analyzer
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Which type of meters operate from their own power sources?
Self-excited
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Most DC instruments use meters based on some form of which type of meter movement?
D’Arsonval
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Most meggers you will use are rated at how many volts?
500
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External shunts are generally used where currents greater than how many amperes must be measured?
50
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When an electrodynamometer is used as a voltmeter, no problems in construction are encountered because the current required is not more than what?
0.1 amperes
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What are used to measure frequencies already in existence?
Frequency counters
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When using the multimeter as a current-indicating instrument, never connect the test leads directly across a voltage. Always connect the instrument in what way with the load?
Series
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Which condition exists when the insertion of a meter into a circuit changes the operation of that circuit?
Meter-loading
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What is used to show the shape of a video pulse appearing at a selected equipment test point?
Oscilloscope
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Which two instruments are most often used to check continuity, or to measure the resistance of a circuit or circuit component?
Ohmmeter and Megger
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The differential voltmeter is a solid-state instrument that provides the capability of making dc voltage measurements from +/− 10 microvolts to +/− how many volts?
1,100
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Resistance, capacitance, and inductance can be measured with precise accuracy by using what?
Alternating-Current bridges
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Some logic probes have a feature that detects and displays high-speed transient pulses as small as how many nanoseconds wide?
10
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Which measurement charts, usually found in equipment technical manuals, contain the normal operating voltages found in the various stages of the equipment?
Point-to-point voltage
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Which capacitor property is important because it is an indication of the various losses of a capacitor?
Power factor
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Which label has black letters and a red background and is attached to an instrument that fails to meet the acceptance criteria during calibration and cannot be adequately repaired?
Rejected-Refer to attached tag
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Which type of work is done to correct, reduce, or counteract wear, failure, and damage to equipment?
Maintenance
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Which type of bridge is used for precise measurement of resistance?
Wheatstone
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What are the two types of bolometers?
Barretter and Thermistor
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Which type of circuit offers a low impedance to currents of the particular frequency to which the circuit is tuned and a relatively high impedance to currents of all other frequencies?
Series-tuned
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Which term refers to the initial operating conditions of the equipment on installation or after overhaul when it is operating according to design?
Baseline
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What is the product of the potential in volts and the current in ampere?
Watt
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A thermistor bridge circuit includes other thermistor elements, referred to as what?
Compensating thermistors
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Which type of frequency meters are used to measure the frequency of the unknown signal by matching the unknown signal with a locally generated signal of the same frequency obtained from a calibrated, precision oscillator?
Heterodyne
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Which type of instrument allows you to view rotating or reciprocating objects intermittently and produces the optical effect of a slowing down or stopping motion?
Stroboscope
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Which type of wavemeter is the type most commonly used?
Cavity
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Which type of loading device undergoes changes of resistance as changes in dissipated power occur?
Bolometer
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The rotating frequency (speed in revolutions per minute) of armatures in electric motors and engine-driven generators, as well as the blade speed in turbines, is measured with devices called tachometers, stroboscopes, and what else?
Strobotacs
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What are the two common types of portable tachometers?
Centrifugal and Chronometric
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Which type of electronic flash device is the flash duration is very short (a few millionths of a second)?
Strobotac
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What is commonly used for the analysis of waveforms generated by electronic equipment?
Cathode-Ray Oscilloscope
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Which principle do most common meters (voltmeters, ammeters, and ohmmeters) operate on?
Electromagnetic
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Which type of meter is used to measure very low currents, such as those in bridge circuits?
Galvanometer
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Which physically large, low-resistance conductor connected in parallel with meter terminals and is used to carry the majority of the load current?
Shunt
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What is the instrument called if the shunt is of such a value that the meter is calibrated in milliamperes?
Milliammeter
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Which type of alloy are shunt strips usually made of?
Manganin
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Which device compares an unknown voltage with a known internal reference voltage and to indicate the difference in their values?
Differential voltmeter
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Deflection sensitivity for a given CRT might typically be how many millimeters per volt?
0.2
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What indicates the potential difference between two points in a circuit?
Voltmeter
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In addition to the necessary power supply, a typical rf signal generator contains three other main sections: an oscillator circuit, modulator, and what else?
Output control circuit
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What is the angle the outgoing electron beam makes with the CRT center line axis between the plates called?
Angle of deflection
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Which devices are used in signal generators to regulate the voltage of the output signal?
Attenuators
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What can the multimeter function as to measure current flow?
Ammeter
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What test equipment is used to sweep over a band of frequencies to determine what frequencies are being produced by a specific circuit under test, and then the amplitude of each frequency component?
Spectrum analyzer
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Which type of meter is widely used to measure resistance and to check the continuity of electrical circuits and devices?
Ohmmeter
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What is widely used for measuring insulation resistance, such as that between a wire and the outer surface of its insulation, and the insulation resistance of cables and insulators?
Megger
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Which condition is indicated by the simultaneous flashing of the display readouts on the electronic digital multimeter?
Overload
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What is a calibrated scale (made of clear plastic) of amplitude versus time that is placed on the face of the CRT?
Graticule
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Which devices are required for the D’Arsonval-type meter movement to enable it to be used for measuring ac voltages and currents?
Rectifying
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Which rugged, field-type tester was designed to test transistors and semiconductor diodes?
AN/USM-206A
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How many impedance ranges can be selected on the Tracker 2000?
4
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What are used to test and align all types of transmitters and receivers?
Signal generators
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What is an integrated circuit-testing device?
Logic probe
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Which section is considered to be the heart of the Tracker 2000?
Signal
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What refers to the length of time the phosphor glows after the electron beam is removed?
Persistence
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What allows you to view two independent signal sources as a dual display on a single CRT?
Dual-trace operation
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What is used to examine the frequency spectrum of radar transmissions, local oscillators, test sets, and any other equipment operating within its testable frequency range?
Spectrum analyzer
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