E0A10: What material found in some electronic components such as high-voltage capacitors and transformers is considered toxic?

Polyethylene

Polytetrafluroethylene

Polymorphic silicon

E1A10: If an amateur station is installed aboard a ship or aircraft, what condition must be met before the station is operated?

The amateur station operator must agree to not transmit when the main ship or aircraft radios are in use

It must have a power supply that is completely independent of the main ship or aircraft power supply

Its operator must have an FCC Marine or Aircraft endorsement on his or her amateur license

E1B06: Which of the following additional rules apply if you are installing an amateur station antenna at a site at or near a public use airport?

No special rules apply if your antenna structure will be less than 300 feet in height

You must file an Environmental Impact Statement with the EPA before construction begins

You must obtain a construction permit from the airport zoning authority

E1C08: What is the maximum permissible duration of a remotely controlled station's transmissions if its control link malfunctions?

30 seconds

5 minutes

10 minutes

E1D01: What is the definition of the term telemetry?

Two-way radiotelephone transmissions in excess of 1000 feet

Two-way single channel transmissions of data

One-way transmission that initiates, modifies, or terminates the functions of a device at a distance

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

E2A11: What type of antenna can be used to minimize the effects of spin modulation and Faraday rotation?

A linearly polarized antenna

An isotropic antenna

A log-periodic dipole array

E2B10: Which of the following is an acceptable bandwidth for Digital Radio Mondiale (DRM) based voice or SSTV digital transmissions made on the HF amateur bands?

10 KHz

15 KHz

20 KHz

E2C12: What might help to restore contact when DX signals become too weak to copy across an entire HF band a few hours after sunset?

Switch to a higher frequency HF band

Wait 90 minutes or so for the signal degradation to pass

Wait 24 hours before attempting another communication on the band

E2D04: What is the purpose of digital store-and-forward functions on an Amateur Radio satellite?

To upload operational software for the transponder

To delay download of telemetry between satellites

To relay messages between satellites

E2E09: Which of the following HF digital modes uses variable-length coding for bandwidth efficiency?

RTTY

PACTOR

MT63

E3A02: What characterizes libration fading of an Earth-Moon-Earth signal?

A slow change in the pitch of the CW signal

A gradual loss of signal as the Sun rises

The returning echo is several Hertz lower in frequency than the transmitted signal

E3B05: Which amateur bands typically support long-path propagation?

160 to 40 meters

30 to 10 meters

6 meters to 2 meters

E3C11: From the contiguous 48 states, in which approximate direction should an antenna be pointed to take maximum advantage of aurora propagation?

South

East

West

E4A10: Which of the following tests establishes that a silicon NPN junction transistor is biased on?

Measure base-to-emitter resistance with an ohmmeter; it should be approximately

Measure base-to-emitter resistance with an ohmmeter; it should be approximately 0.6 to 0.7 ohms

Measure base-to-emitter voltage with a voltmeter; it should be approximately

E4B08: Which of the following is a characteristic of a good DC voltmeter?

High reluctance input

Low reluctance input

Low impedance input

E4C06: A CW receiver with the AGC off has an equivalent input noise power density of -174 dBm/Hz. What would be the level of an unmodulated carrier input to this receiver that would yield an audio output SNR of 0 dB in a 400 Hz noise bandwidth?

174 dBm

-164 dBm

-155 dBm

E4D06: What is the term for unwanted signals generated by the mixing of two or more signals?

Amplifier desensitization

Neutralization

Adjacent channel interference

E4E14: What is one type of electrical interference that might be caused by the operation of a nearby personal computer?

A loud AC hum in the audio output of your station receiver

A clicking noise at intervals of a few seconds

A whining type noise that continually pulses off and on

E5A12: What is the half-power bandwidth of a parallel resonant circuit that has a resonant frequency of 3.7 MHz and a Q of 118?

436.6 kHz

218.3 kHz

15.7 kHz

E5B03: The capacitor in an RC circuit is discharged to what percentage of the starting voltage after two time constants?

86.5%

63.2%

36.8%

E5C05: In polar coordinates, what is the impedance of a network consisting of a 400-ohm-reactance inductor in parallel with a 300-ohm resistor?

240 ohms at an angle of -36.9 degrees

500 ohms at an angle of 53.1 degrees

500 ohms at an angle of -53.1 degrees

E5D02: Why is the resistance of a conductor different for RF currents than for direct currents?

Because the insulation conducts current at high frequencies

Because of the Heisenburg Effect

Because conductors are non-linear devices

E6A05: What is the alpha of a bipolar junction transistor?

The change of collector current with respect to base current

The change of base current with respect to collector current

The change of collector current with respect to gate current

E6B10: In Figure E6-3, what is the schematic symbol for a light-emitting diode?

1

6

7

E6C13: Which of the following is an advantage of BiCMOS logic?

Its simplicity results in much less expensive devices than standard CMOS

It is totally immune to electrostatic damage

All of these choices are correct

E6D14: Which is NOT true of a charge-coupled device (CCD)?

It uses a combination of analog and digital circuitry

It can be used to make an audio delay line

It samples and stores analog signals

E6E05: Which of the following noise figure values is typical of a low-noise UHF preamplifier?

-10 dB

44 dBm

-20 dBm

E6F07: What is a solid state relay?

A relay using transistors to drive the relay coil

A mechanical relay that latches in the on or off state each time it is pulsed

A passive delay line

E7A03: Which of the following can divide the frequency of a pulse train by 2?

An XOR gate

An OR gate

A multiplexer

E7B09: Which of the following describes how the loading and tuning capacitors are to be adjusted when tuning a vacuum tube RF power amplifier that employs a pi-network output circuit?

The loading capacitor is set to maximum capacitance and the tuning capacitor is adjusted for minimum allowable plate current

The tuning capacitor is set to maximum capacitance and the loading capacitor is adjusted for minimum plate permissible current

The loading capacitor is adjusted to minimum plate current while alternately adjusting the tuning capacitor for maximum allowable plate current

E7C02: A T-network with series capacitors and a parallel shunt inductor has which of the following properties?

It is a low-pass filter

It is a band-pass filter

It is a notch filter

E7D04: Which of the following types of linear voltage regulator usually make the most efficient use of the primary power source?

A series current source

A shunt regulator

A shunt current source

E7E13: Which of the following describes a common means of generating an SSB signal when using digital signal processing?

Mixing products are converted to voltages and subtracted by adder circuits

A frequency synthesizer removes the unwanted sidebands

Emulation of quartz crystal filter characteristics

E7F02: Which of the following would be used to reduce a signal's frequency by a factor of ten?

A preamp

A marker generator

A flip-flop

E7G04: Which of the following is a type of capacitor best suited for use in high-stability op-amp RC active filter circuits?

Electrolytic

Disc ceramic

Paper

E7H14: What is a phase-locked loop circuit?

An electronic servo loop consisting of a ratio detector, reactance modulator, and voltage-controlled oscillator

An electronic circuit also known as a monostable multivibrator

An electronic circuit consisting of a precision push-pull amplifier with a differential input

E8A11: What is one use for a pulse modulated signal?

Linear amplification

PSK31 data transmission

Multiphase power transmission

E8B10: Which of these methods can be used to combine several separate analog information streams into a single analog radio frequency signal?

Frequency shift keying

A diversity combiner

Pulse compression

E8C02: What are some of the differences between the Baudot digital code and ASCII?

Baudot uses four data bits per character, ASCII uses seven or eight; Baudot uses one character as a shift code, ASCII has no shift code

Baudot uses six data bits per character, ASCII uses seven or eight; Baudot has no shift code, ASCII uses two characters as shift codes

Baudot uses seven data bits per character, ASCII uses eight; Baudot has no shift code, ASCII uses two characters as shift codes

E8D04: What is the PEP output of a transmitter that develops a peak voltage of 30 volts into a 50-ohm load?

4.5 watts

16 watts

18 watts

E9A01: Which of the following describes an isotropic antenna?

A grounded antenna used to measure earth conductivity

A horizontally polarized antenna used to compare Yagi antennas

A spacecraft antenna used to direct signals toward the earth

E9B09: What type of computer program technique is commonly used for modeling antennas?

Graphical analysis

Mutual impedance analysis

Calculus differentiation with respect to physical properties

E9C06: What is the effect of a terminating resistor on a rhombic antenna?

It reflects the standing waves on the antenna elements back to the transmitter

It changes the radiation pattern from horizontal to vertical polarization

It decreases the ground loss

E9D15: Which of the following would provide the best RF ground for your station?

A 50-ohm resistor connected to ground

An electrically-short connection to a metal water pipe

An electrically-short connection to 3 or 4 interconnected ground rods via a series RF choke

E9E12: What is the primary purpose of a phasing line when used with an antenna having multiple driven elements?

It prevents reflected power from traveling back down the feed line and causing harmonic radiation from the transmitter

It allows single-band antennas to operate on other bands

It makes sure the antenna has a low-angle radiation pattern

E9F14: What impedance does a 1/2-wavelength transmission line present to a generator when the line is shorted at the far end?

Very high impedance

The same as the characteristic impedance of the line

The same as the output impedance of the generator

E9G03: Which of the following is often determined using a Smith chart?

Beam headings and radiation patterns

Satellite azimuth and elevation bearings

Trigonometric functions

E9H07: Why is it advisable to use an RF attenuator on a receiver being used for direction finding?

It narrows the bandwidth of the received signal to improve signal to noise ratio

It compensates for the effects of an isotropic antenna, thereby improving directivity

It reduces loss of received signals caused by antenna pattern nulls, thereby increasing sensitivity