E0A05: What is one of the potential hazards of using microwaves in the amateur radio bands?

Microwaves are ionizing radiation

Microwaves often travel long distances by ionospheric reflection

The extremely high frequency energy can damage the joints of antenna structures

E1A01: When using a transceiver that displays the carrier frequency of phone signals, which of the following displayed frequencies represents the highest frequency at which a properly adjusted USB emission will be totally within the band?

The exact upper band edge

300 Hz below the upper band edge

1 kHz below the upper band edge

E1B11: What is the permitted mean power of any spurious emission relative to the mean power of the fundamental emission from a station transmitter or external RF amplifier installed after January 1, 2003, and transmitting on a frequency below 30 MHZ?

At least 53 dB below

At least 63 dB below

At least 73 dB below

E1C09: Which of these frequencies are available for an automatically controlled repeater operating below 30 MHz?

18.110 - 18.168 MHz

24.940 - 24.990 MHz

10.100 - 10.150 MHz

E1D03: What is a telecommand station in the amateur satellite service?

An amateur station located on the Earth's surface for communications with other Earth stations by means of Earth satellites

An amateur station located more than 50 km above the Earth's surface

An amateur station that transmits telemetry consisting of measurements of upper atmosphere data from space

E1E08: To which of the following examinees may a VE not administer an examination?

Employees of the VE

Friends of the VE

All of these choices are correct

E1F03: Under what circumstances may a dealer sell an external RF power amplifier capable of operation below 144 MHz if it has not been granted FCC certification?

The equipment dealer assembled it from a kit

It was imported from a manufacturer in a country that does not require certification of RF power amplifiers

It was imported from a manufacturer in another country, and it was certificated by that country's government

E2A13: What type of satellite appears to stay in one position in the sky?

HEO

Geomagnetic

LEO

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

E2C10: Why might a DX station state that they are listening on another frequency?

Because the DX station may be transmitting on a frequency that is prohibited to some responding stations

To separate the calling stations from the DX station

To reduce interference, thereby improving operating efficiency

E2D06: Which of the following is a commonly used 2-meter APRS frequency?

144.20 MHz

145.02 MHz

146.52 MHz

E2E07: What is the typical bandwidth of a properly modulated MFSK16 signal?

31 Hz

550 Hz

2.16 kHz

E3A09: Which of the following frequency ranges is well suited for meteor-scatter communications?

1.8 - 1.9 MHz

10 - 14 MHz

220 - 450 MHz

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

160 to 40 meters

30 to 10 meters

6 meters to 2 meters

E3C10: How does the performance of a horizontally polarized antenna mounted on the side of a hill compare with the same antenna mounted on flat ground?

The main lobe takeoff angle increases in the downhill direction

The horizontal beam width decreases in the downhill direction

The horizontal beam width increases in the uphill direction

E4A08: Which of the following instruments would be best for measuring the SWR of a beam antenna?

A spectrum analyzer

A Q meter

An ohmmeter

E4B15: Which of the following can be used as a relative measurement of the Q for a series-tuned circuit?

The inductance to capacitance ratio

The frequency shift

The resonant frequency of the circuit

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

E4D13: Which of the following can cause receiver desensitization?

Audio gain adjusted too low

Audio bias adjusted too high

Squelch gain misadjusted

E4E09: What undesirable effect can occur when using an IF noise blanker?

Received audio in the speech range might have an echo effect

The audio frequency bandwidth of the received signal might be compressed

FM signals can no longer be demodulated

E5A06: What is the magnitude of the circulating current within the components of a parallel LC circuit at resonance?

It is at a minimum

It equals 1 divided by the quantity 2 times Pi, multiplied by the square root of inductance L multiplied by capacitance C

It equals 2 multiplied by Pi, multiplied by frequency "F", multiplied by inductance "L"

E5B01: What is the term for the time required for the capacitor in an RC circuit to be charged to 63.2% of the applied voltage?

An exponential rate of one

One exponential period

A time factor of one

E5C17: In rectangular coordinates, what is the impedance of a circuit that has an admittance of 5 millisiemens at -30 degrees?

173 - j100 ohms

200 + j100 ohms

200 - j100 ohms

E5D11: What is the power factor of an R-L circuit having a 60 degree phase angle between the voltage and the current?

1.414

0.866

1.73

E6A16: What are the majority charge carriers in N-type semiconductor material?

Holes

Free protons

Free neutrons

E6B06: Which of the following is a common use of a hot-carrier diode?

As balanced mixers in FM generation

As a variable capacitance in an automatic frequency control circuit

As a constant voltage reference in a power supply

E6C12: What is BiCMOS logic?

A logic device with two CMOS circuits per package

An FET logic family based on bimetallic semiconductors

A logic family based on bismuth CMOS devices

E6D15: What is the principle advantage of liquid-crystal display (LCD) devices over other types of display devices?

They can display changes instantly

They are visible in all light conditions

They can be easily interchanged with other display devices

E6E09: Which of the following must be done to insure that a crystal oscillator provides the frequency specified by the crystal manufacturer?

Provide the crystal with a specified parallel inductance

Bias the crystal at a specified voltage

Bias the crystal at a specified current

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

An ordinary metal

A heavy metal

A liquid semiconductor

E7A06: What is a characteristic of a monostable multivibrator?

It is a clock that produces a continuous square wave oscillating between 1 and 0

It stores one bit of data in either a 0 or 1 state

It maintains a constant output voltage, regardless of variations in the input voltage

E7B12: What type of circuit is shown in Figure E7-1?

Switching voltage regulator

Linear voltage regulator

Emitter follower amplifier

E7C05: Which filter type is described as having ripple in the passband and a sharp cutoff?

A Butterworth filter

An active LC filter

A passive op-amp filter

E7D12: What is the purpose of R2 in the circuit shown in Figure E7-3?

It provides fixed bias for Q1

It provides fixed bias for D1

It decouples hum from D1

E7E07: What is meant by the term baseband in radio communications?

The lowest frequency band that the transmitter or receiver covers

The unmodulated bandwidth of the transmitted signal

The basic oscillator frequency in an FM transmitter that is multiplied to increase the deviation and carrier frequency

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

E7H04: How is positive feedback supplied in a Colpitts oscillator?

Through a tapped coil

Through link coupling

Through a neutralizing capacitor

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

E8B05: What is the deviation ratio of an FM-phone signal having a maximum frequency swing of plus-or-minus 5 kHz when the maximum modulation frequency is 3 kHz?

60

0.167

0.6

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

E8D15: Which of the following is a typical value for the RMS voltage at a standard U.S. household electrical power outlet?

340V AC

85V AC

170V AC

E9A09: What is meant by antenna bandwidth?

Antenna length divided by the number of elements

The angle between the half-power radiation points

The angle formed between two imaginary lines drawn through the element ends

E9B06: If the boom of a Yagi antenna is lengthened and the elements are properly retuned, what usually occurs?

The SWR decreases

The front-to-back ratio increases

The gain bandwidth decreases rapidly

E9C10: How many elevation lobes appear in the forward direction of the antenna radiation pattern shown in Figure E9-2?

3

1

7

E9D06: Why should an HF mobile antenna loading coil have a high ratio of reactance to resistance?

To swamp out harmonics

To maximize losses

To minimize the Q

E9E10: Which of these choices is an effective way to match an antenna with a 100-ohm feed point impedance to a 50-ohm coaxial cable feed line?

Connect a 1/4-wavelength open stub of 300-ohm twin-lead in parallel with the coaxial feed line where it connects to the antenna

Insert a 1/2 wavelength piece of 300-ohm twin-lead in series between the antenna terminals and the 50-ohm feed cable

Connect 1/2 wavelength shorted stub of 75-ohm cable in parallel with the 50-ohm cable where it attaches to the antenna

E9F05: What is the approximate physical length of a solid polyethylene dielectric coaxial transmission line that is electrically one-quarter wavelength long at 14.1 MHz?

20 meters

2.3 meters

0.2 meters

E9G01: Which of the following can be calculated using a Smith chart?

Radiation resistance

Antenna radiation pattern

Radio propagation

E9H04: What term describes station output, including the transmitter, antenna and everything in between, when considering transmitter power and system gains and losses?

Power factor

Half-power bandwidth

Apparent power