Description : What main advantage does a bridge rectifier have over a conventional full-wave rectifier?
Last Answer : The bridge rectifier can produce twice the voltage with the same size transformer.
Last Answer : The bridge rectifier can produce double the voltage with the same size transformer.
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 is the main advantage of a series motor?
Last Answer : High torque (turning force) at low speed.
Description : What is the main advantage of the rotating field alternator?
Last Answer : Output voltage is taken directly from the armature (not through brushes or slip rings).
Description : Why is detector saturation not generally a problem in fiber optic communications systems?
Last Answer : Because fiber optic communications systems operate at low optical power levels.
Description : What are the two limitations to an active satellite communications system?
Last Answer : Satellite down-link transmitter power and up-link receiver sensitivity.
Description : What was the major operational limitation of early communications satellites?
Last Answer : The lack of suitable power sources.
Description : A typical satellite communications operational link consists of a satellite and what two other components?
Last Answer : Earth terminals.
Description : What are the two types of communications satellites?
Last Answer : Passive and active.
Description : What four switched networks are part of the defense communications system?
Last Answer : AUTOVON, AUTOSEVOCOM, AUTODIN, and DSSCS.
Description : What are the five most prominent communications modes of operation?
Last Answer : Simplex, half-duplex, semiduplex, duplex, and broadcast.
Description : The naval communications system is made up of what two groups of communications?
Last Answer : Strategic and tactical.
Description : What are the disadvantages of radiotelephone communications?
Last Answer : Static, enemy interference or a high local noise level.
Description : Why is radiotelephone one of the most useful methods of military communications?
Last Answer : It is direct, convenient and easy to use.
Description : What are the two types of electrical communications?
Last Answer : Radio and wire.
Description : What are the four general types of communications services in the hf band?
Last Answer : Point-to-point, ship-to-shore, ground-to-air, and fleet broadcast.
Description : What are the three fundamental requirements of a military communications system?
Last Answer : Reliability, security, and speed.
Description : The transmission of still images over an electrical communications system is known as what?
Last Answer : Facsimile.
Description : What type of modulation do most analog fiber optic communications systems use?
Last Answer : Intensity modulation.
Description : An advantage of a distributed word processing network is 1) increased number of reports handled 2) less delay in inter-office communications 3) greater corporate control over outputs 4) All of these
Last Answer : 2) less delay in inter-office communications
Description : What is an advantage of using a resistance soldering iron when soldering wire to a connector?
Last Answer : The soldering tips are hot only during the brief period of soldering the connection, thus minimizing the chance of burning the wire insulation or connector inserts.
Description : What is a major advantage of the crimped terminal over the soldered terminal?
Last Answer : Requires relatively little operator skill to install.
Description : What advantage does a half adder have over a quarter adder?
Last Answer : The half adder generates a carry.
Description : What is the advantage of designing a limited bandwidth into a servo amplifier?
Last Answer : Unwanted noise-generated frequencies are rejected
Description : What is the advantage of using a closed-servo loop to control load velocity?
Last Answer : The closed-servo loop can regulate load speed under changing conditions.
Description : What is the primary advantage of power-amplifier transmitters over keyed-oscillator transmitters?
Last Answer : Frequency stability.
Description : What is the advantage of using in-line wattmeters over output power meters?
Last Answer : Most in-line wattmeters are capable of measuring both forward and reflected power.
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 is the chief advantage of the air coaxial line?
Last Answer : The ability to minimize radiation losses.
Description : What is the primary advantage of the shielded pair?
Last Answer : The conductors are balanced to ground.
Description : What is the great advantage of computers over typewriters?
Last Answer : Correcting errors.
Description : What is the primary advantage of bulk-effect devices over normal pn-junction semiconductors?
Last Answer : Larger microwave power outputs.
Description : What is the primary advantage of hybrid circuits?
Last Answer : Circuit flexibility
Description : The ability to place more components in a given space is an advantage of the __
Last Answer : Cordwood module.
Description : What is a major advantage of modular construction?
Last Answer : Rapid repair of systems and improved efficiency
Description : What is the advantage of single-sideband (ssb) transmission over AM transmission?
Last Answer : The same amount of intelligence can be transmitted with one sixth of the output power with less than one-half the bandwidth.
Description : What is the advantage of directly heated cathodes?
Last Answer : They reach operating temperatures quickly.
Description : Why is direct accessing of data a big advantage over the sequential accessing of data?
Last Answer : It gives us fast, immediate access to specific data without having to examine each and every record from the beginning.
Description : What advantage does a shunt motor have over a series motor?
Last Answer : It maintains a constant speed under varying loads.
Description : What is the primary advantage of a ratio detector?
Last Answer : Suppresses amplitude noise without limiter stages.
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 : What is the major advantage of a transistor over a tube?
Last Answer : Rugged design.
Description : What is one advantage of an out-of-circuit meter when it is compared with an in-circuit meter?
Last Answer : Out-of-circuit meters can be used on more than one electrical or electronic device.
Description : What is the primary advantage of the electrodynamometer type meter over the D’Arsonval-type meter?
Last Answer : The electrodynamometer-type meter can be used to measure both ac and dc currents.
Description : What advantage is gained by using pole pieces with curved faces in the D’Arsonval meter movement?
Last Answer : Two-position and three-position.
Description : What is the primary advantage of using a current probe?
Last Answer : Current probes enable you to perform current measurements without disconnecting wires. Current probes are clamped around the insulated wire.
Description : What is the advantage of adding parasitic elements to a Yagi array?
Last Answer : Increased gain.