E0A11: Which of the following injuries can result from using high-power UHF or microwave transmitters?

Hearing loss caused by high voltage corona discharge

Blood clotting from the intense magnetic field

Ingestion of ozone gas from the cooling system

E1A08: If a station in a message forwarding system inadvertently forwards a message that is in violation of FCC rules, who is primarily accountable for the rules violation?

The control operator of the packet bulletin board station

The control operators of all the stations in the system

The control operators of all the stations in the system not authenticating the source from which they accept communications

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

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

E1D11: Which amateur stations are eligible to operate as Earth stations?

Any amateur station whose licensee has filed a pre-space notification with the FCC's International Bureau

Only those of General, Advanced or Amateur Extra Class operators

Only those of Amateur Extra Class operators

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

E1F01: On what frequencies are spread spectrum transmissions permitted?

Only on amateur frequencies above 50 MHz

Only on amateur frequencies above 420 MHz

Only on amateur frequencies above 144 MHz

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

E2B03: How is an interlaced scanning pattern generated in a fast-scan (NTSC) television system?

By scanning two fields simultaneously

By scanning each field from bottom to top

By scanning lines from left to right in one field and right to left in the next

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

6 meters

2 meters

33 cm

E2D11: Which of the following data are used by the APRS network to communicate your location?

Polar coordinates

Time and frequency

Radio direction finding LOPs

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

E3B09: At what time of day is gray-line propagation most likely to occur?

When the Sun is directly above the location of the transmitting station

When the Sun is directly overhead at the middle of the communications path between the two stations

When the Sun is directly above the location of the receiving station

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

E4A02: Which of the following parameters would a spectrum analyzer display on the horizontal axis?

SWR

Q

Time

E4B03: If a frequency counter with a specified accuracy of +/- 1.0 ppm reads 146,520,000 Hz, what is the most the actual frequency being measured could differ from the reading?

165.2 Hz

14.652 kHz

1.4652 MHz

E4C04: What is the definition of the noise figure of a receiver?

The ratio of atmospheric noise to phase noise

The noise bandwidth in Hertz compared to the theoretical bandwidth of a resistive network

The ratio of thermal noise to atmospheric noise

E4D03: How can intermodulation interference between two repeaters occur?

When the repeaters are in close proximity and the signals cause feedback in the final amplifier of one or both transmitters

When the signals from the transmitters are reflected out of phase from airplanes passing overhead

When the signals from the transmitters are reflected in phase from airplanes passing overhead

E4E06: What is a major cause of atmospheric static?

Solar radio frequency emissions

Geomagnetic storms

Meteor showers

E5A02: What is resonance in an electrical circuit?

The highest frequency that will pass current

The lowest frequency that will pass current

The frequency at which the reactive impedance equals the resistive impedance

E5B12: What is the phase angle between the voltage across and the current through a series RLC circuit if XC is 75 ohms, R is 100 ohms, and XL is 50 ohms?

76 degrees with the voltage lagging the current

14 degrees with the voltage leading the current

76 degrees with the voltage leading the current

E5C22: In rectangular coordinates, what is the impedance of a network consisting of a 10-microhenry inductor in series with a 40-ohm resistor at 500 MHz?

40 - j31,400

31,400 + j40

31,400 - j40

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

E6A17: What are the names of the three terminals of a field-effect transistor?

Gate 1, gate 2, drain

Emitter, base, collector

Emitter, base 1, base 2

E6B07: What is the failure mechanism when a junction diode fails due to excessive current?

Excessive inverse voltage

Insufficient forward voltage

Charge carrier depletion

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

E6D09: What devices are commonly used as VHF and UHF parasitic suppressors at the input and output terminals of transistorized HF amplifiers?

Electrolytic capacitors

Butterworth filters

Steel-core toroids

E6E06: What characteristics of the MMIC make it a popular choice for VHF through microwave circuits?

The ability to retrieve information from a single signal even in the presence of other strong signals.

Plate current that is controlled by a control grid

Nearly infinite gain, very high input impedance, and very low output impedance

E6F11: Which of the following is the approximate open-circuit voltage produced by a fully-illuminated silicon photovoltaic cell?

0.1 V

1.5 V

12 V

E7A07: What logical operation does a NAND gate perform?

It produces a logic "0" at its output only when all inputs are logic "0"

It produces a logic "1" at its output only when all inputs are logic "1"

It produces a logic "0" at its output if some but not all of its inputs are logic "1"

E7B08: How can an RF power amplifier be neutralized?

By increasing the driving power

By reducing the driving power

By feeding an in-phase component of the output back to the input

E7C08: What kind of digital signal processing audio filter might be used to remove unwanted noise from a received SSB signal?

A crystal-lattice filter

A Hilbert-transform filter

A phase-inverting filter

E7D01: What is one characteristic of a linear electronic voltage regulator?

It has a ramp voltage as its output

It eliminates the need for a pass transistor

The control element duty cycle is proportional to the line or load conditions

E7E14: What is meant by direct conversion when referring to a software defined receiver?

Software is converted from source code to object code during operation of the receiver

Incoming RF is converted to the IF frequency by rectification to generate the control voltage for a voltage controlled oscillator

Software is generated in machine language, avoiding the need for compilers

E7F08: Which of the following is performed by a frequency counter?

Determining the frequency deviation with an FM discriminator

Mixing the incoming signal with a WWV reference

Converting the phase of the measured signal to a voltage which is proportional to the frequency

E7G02: What is the effect of ringing in a filter?

An echo caused by a long time delay

A reduction in high frequency response

Partial cancellation of the signal over a range of frequencies

E7H16: Why is the short-term stability of the reference oscillator important in the design of a phase locked loop (PLL) frequency synthesizer?

Any amplitude variations in the reference oscillator signal will prevent the loop from locking to the desired signal

Any phase variations in the reference oscillator signal will produce harmonic distortion in the modulating signal

Any amplitude variations in the reference oscillator signal will prevent the loop from changing frequency

E8A08: What is the period of a wave?

The number of degrees in one cycle

The number of zero crossings in one cycle

The amplitude of the 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

E8C03: What is one advantage of using the ASCII code for data communications?

It includes built-in error-correction features

It contains fewer information bits per character than any other code

It uses one character as a shift code to send numeric and special characters

E8D08: Which of the following best describes electromagnetic waves traveling in free space?

Electric and magnetic fields become aligned as they travel

The energy propagates through a medium with a high refractive index

The waves are reflected by the ionosphere and return to their source

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

E9B02: In the antenna radiation pattern shown in Figure E9-1, what is the front-to-back ratio?

36 dB

24 dB

14 dB

E9C11: How is the far-field elevation pattern of a vertically polarized antenna affected by being mounted over seawater versus rocky ground?

The low-angle radiation decreases

The high-angle radiation increases

Both the high- and low-angle radiation decrease

E9D12: What is one advantage of using a trapped antenna?

It has high directivity in the higher-frequency bands

It has high gain

It minimizes harmonic radiation

E9E01: What system matches a high-impedance transmission line to a lower impedance antenna by connecting the line to the driven element in two places spaced a fraction of a wavelength each side of element center?

The gamma matching system

The omega matching system

The stub matching system

E9F07: How does ladder line compare to small-diameter coaxial cable such as RG-58 at 50 MHz?

Higher SWR

Smaller reflection coefficient

Lower velocity factor

E9G06: On the Smith chart shown in Figure E9-3, what is the name for the large outer circle on which the reactance arcs terminate?

Prime axis

Impedance axis

Polar axis

E9H11: What characteristic of a cardioid-pattern antenna is useful for direction finding?

A very sharp peak

Broad band response

High-radiation angle