E0A03: Which of the following would be a practical way to estimate whether the RF fields produced by an amateur radio station are within permissible MPE limits?

Use a calibrated antenna analyzer

Use a hand calculator plus Smith-chart equations to calculate the fields

All of the choices are correct

E1A05: What is the maximum power output permitted on the 60 meter band?

50 watts PEP effective radiated power relative to an isotropic radiator

50 watts PEP effective radiated power relative to a dipole

100 watts PEP effective radiated power relative to an isotropic radiator

E1B03: Within what distance must an amateur station protect an FCC monitoring facility from harmful interference?

3 miles

10 miles

30 miles

E1C10: What types of amateur stations may automatically retransmit the radio signals of other amateur stations?

Only beacon, repeater or space stations

Only earth stations, repeater stations or model craft

Only auxiliary, beacon or space stations

E1D06: Which of the following special provisions must a space station incorporate in order to comply with space station requirements?

The space station must cease all transmissions after 5 years

The space station must be capable of changing its orbit whenever such a change is ordered by NASA

All of these choices are correct

E1E06: Who is responsible for the proper conduct and necessary supervision during an amateur operator license examination session?

The VEC coordinating the session

The FCC

The VE session manager

E1F13: What types of communications may be transmitted to amateur stations in foreign countries?

Business-related messages for non-profit organizations

Messages intended for connection to users of the maritime satellite service

All of these choices are correct

E2A08: Why should effective radiated power to a satellite which uses a linear transponder be limited?

To prevent creating errors in the satellite telemetry

To prevent the satellite from emitting out of band signals

To avoid interfering with terrestrial QSOs

E2B19: What special operating frequency restrictions are imposed on slow scan TV transmissions?

None; they are allowed on all amateur frequencies

They are restricted to 7.245 MHz, 14.245 MHz, 21.345, MHz, and 28.945 MHz

They are not permitted above 54 MHz

E2C03: From which of the following bands is amateur radio contesting generally excluded?

6 meters

2 meters

33 cm

E2D05: Which of the following techniques is normally used by low Earth orbiting digital satellites to relay messages around the world?

Digipeating

Multi-satellite relaying

Node hopping

E2E05: How does ARQ accomplish error correction?

Special binary codes provide automatic correction

Special polynomial codes provide automatic correction

If errors are detected, redundant data is substituted

E3A10: Which of the following is a good technique for making meteor-scatter contacts?

15 second timed transmission sequences with stations alternating based on location

Use of high speed CW or digital modes

Short transmission with rapidly repeated call signs and signal reports

E3B03: What is the best time of day for transequatorial propagation?

Morning

Noon

Late at night

E3C09: Which of the following is usually responsible for causing VHF signals to propagate for hundreds of miles?

D-region absorption

Faraday rotation

Ground wave

E4A01: How does a spectrum analyzer differ from an oscilloscope?

A spectrum analyzer measures ionospheric reflection; an oscilloscope displays electrical signals

A spectrum analyzer displays the peak amplitude of signals; an oscilloscope displays the average amplitude of signals

A spectrum analyzer displays radio frequencies; an oscilloscope displays audio frequencies

E4B02: What is an advantage of using a bridge circuit to measure impedance?

It provides an excellent match under all conditions

It is relatively immune to drift in the signal generator source

It can display results directly in Smith chart format

E4C08: How might lowering the noise figure affect receiver performance?

It would reduce the signal to noise ratio

It would reduce bandwidth

It would increase bandwidth

E4D11: Why are third-order intermodulation products created within a receiver of particular interest compared to other products?

The third-order intercept is much higher than other orders

Third-order products are an indication of poor image rejection

Third-order intermodulation produces three products for every input signal within the band of interest

E4E10: What is a common characteristic of interference caused by a touch controlled electrical device?

The interfering signal sounds like AC hum on an AM receiver or a carrier modulated by 60 Hz hum on a SSB or CW receiver

The interfering signal may drift slowly across the HF spectrum

The interfering signal can be several kHz in width and usually repeats at regular intervals across a HF band

E5A07: What is the magnitude of the current at the input of a parallel RLC circuit at resonance?

Maximum

R/L

L/R

E5B02: What is the term for the time it takes for a charged capacitor in an RC circuit to discharge to 36.8% of its initial voltage?

One discharge period

An exponential discharge rate of one

A discharge factor of one

E5C08: In polar coordinates, what is the impedance of a network comprised of a 300-ohm-reactance inductor in series with a 400-ohm resistor?

400 ohms at an angle of 27 degrees

500 ohms at an angle of 47 degrees

700 ohms at an angle of 57 degrees

E5D04: What unit measures electrical energy stored in an electrostatic field?

Coulomb

Watt

Volt

E6A08: What term indicates the frequency at which the grounded-base current gain of a transistor has decreased to 0.7 of the gain obtainable at 1 kHz?

Corner frequency

Alpha rejection frequency

Beta cutoff frequency

E6B12: What is one common use for PIN diodes?

As a constant current source

As a constant voltage source

As a high voltage rectifier

E6C07: In Figure E6-5, what is the schematic symbol for an AND gate?

2

3

4

E6D11: How many turns will be required to produce a 1-mH inductor using a ferrite toroidal core that has an inductance index (A L) value of 523 millihenrys/1000 turns?

2 turns

4 turns

229 turns

E6E12: What is a "Jones filter" as used as part of a HF receiver IF stage?

An automatic notch filter

A special filter that emphasizes image responses

A filter that removes impulse noise

E6F06: Which of these materials is affected the most by photoconductivity?

An ordinary metal

A heavy metal

A liquid semiconductor

E7A12: What is the name for logic which represents a logic "0" as a high voltage?

Reverse Logic

Assertive Logic

Positive Logic

E7B01: For what portion of a signal cycle does a Class AB amplifier operate?

Exactly 180 degrees

The entire cycle

Less than 180 degrees

E7C12: Which of the following describes a Pi-L network used for matching a vacuum-tube final amplifier to a 50-ohm unbalanced output?

A Phase Inverter Load network

A network with only three discrete parts

A matching network in which all components are isolated from ground

E7D14: What is one purpose of a "bleeder" resistor in a conventional (unregulated) power supply?

To cut down on waste heat generated by the power supply

To balance the low-voltage filament windings

To boost the amount of output current

E7E02: What is the function of a reactance modulator?

To produce PM signals by using an electrically variable resistance

To produce AM signals by using an electrically variable inductance or capacitance

To produce AM signals by using an electrically variable resistance

E7F06: What is one purpose of a marker generator?

To add audio markers to an oscilloscope

To provide a frequency reference for a phase locked loop

To add time signals to a transmitted signal

E7G11: What absolute voltage gain can be expected from the circuit in Figure E7-4 when R1 is 3300 ohms and RF is 47 kilohms?

28

7

0.07

E7H07: What is a magnetron oscillator?

An oscillator in which the output is fed back to the input by the magnetic field of a transformer

A crystal oscillator in which variable frequency is obtained by placing the crystal in a strong magnetic field

A reference standard oscillator in which the oscillations are synchronized by magnetic coupling to a rubidium gas tube

E8A03: What type of wave is made up of sine waves of a given fundamental frequency plus all its harmonics?

A square wave

A sine wave

A cosine wave

E8B04: What is the modulation index of an FM-phone signal having a maximum carrier deviation of plus or minus 6 kHz when modulated with a 2-kHz modulating frequency?

6000

2000

1/3

E8C08: What term describes a wide-bandwidth communications system in which the transmitted carrier frequency varies according to some predetermined sequence?

Amplitude compandored single sideband

AMTOR

Time-domain frequency modulation

E8D09: What is meant by circularly polarized electromagnetic waves?

Waves with an electric field bent into a circular shape

Waves that circle the Earth

Waves produced by a loop antenna

E9A14: How much gain does an antenna have compared to a 1/2-wavelength dipole when it has 12 dB gain over an isotropic antenna?

6.17 dB

12.5 dB

14.15 dB

E9B04: What may occur when a directional antenna is operated at different frequencies within the band for which it was designed?

Feed point impedance may become negative

The E-field and H-field patterns may reverse

Element spacing limits could be exceeded

E9C01: What is the radiation pattern of two 1/4-wavelength vertical antennas spaced 1/2-wavelength apart and fed 180 degrees out of phase?

A cardioid

Omnidirectional

A figure-8 broadside to the axis of the array

E9D01: How does the gain of an ideal parabolic dish antenna change when the operating frequency is doubled?

Gain does not change

Gain is multiplied by 0.707

Gain increases by 3 dB

E9E05: How must the driven element in a 3-element Yagi be tuned to use a hairpin matching system?

The driven element reactance must be inductive

The driven element resonance must be lower than the operating frequency

The driven element radiation resistance must be higher than the characteristic impedance of the transmission line

E9F11: What impedance does a 1/8-wavelength transmission line present to a generator when the line is open at the far end?

The same as the characteristic impedance of the line

An inductive reactance

The same as the input impedance of the final generator stage

E9G09: What third family of circles is often added to a Smith chart during the process of solving problems?

Antenna-length circles

Coaxial-length circles

Radiation-pattern circles

E9H02: What is the effective radiated power relative to a dipole of a repeater station with 200 watts transmitter power output, 4-dB feed line loss, 3.2-dB duplexer loss, 0.8-dB circulator loss and 10-dBd antenna gain?

2000 watts

126 watts

300 watts