E0A07: How may dangerous levels of carbon monoxide from an emergency generator be detected?

By the odor

Any ordinary smoke detector can be used

By the yellowish appearance of the gas

E1A04: With your transceiver displaying the carrier frequency of phone signals, you hear a DX station calling CQ on 3.601 MHz LSB. Is it legal to return the call using lower sideband on the same frequency?

Yes, because the DX station initiated the contact

Yes, because the displayed frequency is within the 75 meter phone band segment

No, USA stations are not permitted to use phone emissions below 3.610 MHz

E1B05: What is the maximum bandwidth for a data emission on 60 meters?

60 Hz

170 Hz

1.5 kHz

E1C04: When may an automatically controlled station retransmit third party communications?

Never

When specifically agreed upon by the sending and receiving stations

When approved by the National Telecommunication and Information Administration

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

E1E11: What must the VE team do if an examinee scores a passing grade on all examination elements needed for an upgrade or new license?

Photocopy all examination documents and forward them to the FCC for processing

Issue the examinee the new or upgrade license

All these choices are correct

E1F02: Which of the following operating arrangements allows an FCC-licensed US citizen to operate in many European countries, and alien amateurs from many European countries to operate in the US?

IARP agreement

ITU reciprocal license

All of these choices are correct

E2A12: What is one way to predict the location of a satellite at a given time?

By means of the Doppler data for the specified satellite

By subtracting the mean anomaly from the orbital inclination

By adding the mean anomaly to the orbital inclination

E2B12: How are analog SSTV images typically transmitted on the HF bands?

Video is converted to equivalent Baudot representation

Video is converted to equivalent ASCII representation

Varying tone frequencies representing the video are transmitted using PSK

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

E2D12: How does JT65 improve EME communications?

It controls the receiver to track Doppler shift

It supplies signals to guide the antenna to track the Moon

All of these choices are correct

E2E10: Which of these digital communications modes has the narrowest bandwidth?

MFSK16

170-Hz shift, 45 baud RTTY

300-baud packet

E3A01: What is the approximate maximum separation measured along the surface of the Earth between two stations communicating by Moon bounce?

500 miles, if the Moon is at perigee

2000 miles, if the Moon is at apogee

5000 miles, if the Moon is at perigee

E3B02: What is the approximate maximum range for signals using transequatorial propagation?

1000 miles

2500 miles

7500 miles

E3C07: How does the radiation pattern of a horizontally polarized 3-element beam antenna vary with its height above ground?

The main lobe takeoff angle increases with increasing height

The horizontal beam width increases with height

The horizontal beam width decreases with height

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

E4B10: Which of the following describes a method to measure intermodulation distortion in an SSB transmitter?

Modulate the transmitter with two non-harmonically related radio frequencies and observe the RF output with a spectrum analyzer

Modulate the transmitter with two harmonically related audio frequencies and observe the RF output with a peak reading wattmeter

Modulate the transmitter with two harmonically related audio frequencies and observe the RF output with a logic analyzer

E4C05: What does a value of -174 dBm/Hz represent with regard to the noise floor of a receiver?

The minimum detectable signal as a function of receive frequency

The noise figure of a 1 Hz bandwidth receiver

The galactic noise contribution to minimum detectable signal

E4D04: Which of the following may reduce or eliminate intermodulation interference in a repeater caused by another transmitter operating in close proximity?

A band-pass filter in the feed line between the transmitter and receiver

A Class C final amplifier

A Class D final amplifier

E4E06: What is a major cause of atmospheric static?

Solar radio frequency emissions

Geomagnetic storms

Meteor showers

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"

E5B07: What is the phase angle between the voltage across and the current through a series RLC circuit if XC is 500 ohms, R is 1 kilohm, and XL is 250 ohms?

68.2 degrees with the voltage leading the current

14.0 degrees with the voltage leading the current

68.2 degrees with the voltage lagging the current

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

E5D06: In what direction is the magnetic field oriented about a conductor in relation to the direction of electron flow?

In the same direction as the current

In a direction opposite to the current

In all directions; omnidirectional

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

E6B01: What is the most useful characteristic of a Zener diode?

A constant current drop under conditions of varying voltage

A negative resistance region

An internal capacitance that varies with the applied voltage

E6C01: What is the recommended power supply voltage for TTL series integrated circuits?

12 volts

1.5 volts

13.6 volts

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

E6E02: Which of the following factors has the greatest effect in helping determine the bandwidth and response shape of a crystal ladder filter?

The DC voltage applied to the quartz crystal

The gain of the RF stage preceding the filter

The amplitude of the signals passing through the filter

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

An ordinary metal

A heavy metal

A liquid semiconductor

E7A10: What is a truth table?

A table of logic symbols that indicate the high logic states of an op-amp

A diagram showing logic states when the digital device's output is true

A table of logic symbols that indicates the low logic states of an op-amp

E7B06: Which of the following amplifier types reduces or eliminates even-order harmonics?

Push-push

Class C

Class AB

E7C11: Which of the following is the common name for a filter network which is equivalent to two L networks connected back-to-back with the inductors in series and the capacitors in shunt at the input and output?

Pi-L

Cascode

Omega

E7D09: What is the purpose of C1 in the circuit shown in Figure E7-3?

It resonates at the ripple frequency

It provides fixed bias for Q1

It decouples the output

E7E08: What are the principal frequencies that appear at the output of a mixer circuit?

Two and four times the original frequency

The sum, difference and square root of the input frequencies

1.414 and 0.707 times the input frequency

E7F10: What alternate method of determining frequency, other than by directly counting input pulses, is used by some counters?

GPS averaging

Prescaling

D/A conversion

E7G08: How does the gain of an ideal operational amplifier vary with frequency?

It increases linearly with increasing frequency

It decreases linearly with increasing frequency

It decreases logarithmically with increasing frequency

E7H06: Which of the following oscillator circuits are commonly used in VFOs?

Pierce and Zener

Armstrong and deForest

Negative feedback and balanced feedback

E8A05: What would be the most accurate way of measuring the RMS voltage of a complex waveform?

By using a grid dip meter

By measuring the voltage with a D'Arsonval meter

By using an absorption wavemeter

E8B02: How does the modulation index of a phase-modulated emission vary with RF carrier frequency (the modulated frequency)?

It increases as the RF carrier frequency increases

It decreases as the RF carrier frequency increases

It varies with the square root of the RF carrier frequency

E8C01: Which one of the following digital codes consists of elements having unequal length?

ASCII

AX.25

Baudot

E8D07: What is an electromagnetic wave?

Alternating currents in the core of an electromagnet

A wave consisting of two electric fields at right angles to each other

A wave consisting of two magnetic fields at right angles to each other

E9A08: What is meant by antenna gain?

The ratio of the signal in the forward direction to that in the opposite direction

The ratio of the amount of power radiated by an antenna compared to the transmitter output power

The final amplifier gain minus the transmission-line losses, including any phasing lines present

E9B01: In the antenna radiation pattern shown in Figure E9-1, what is the 3-dB beamwidth?

75 degrees

25 degrees

30 degrees

E9C02: What is the radiation pattern of two 1/4-wavelength vertical antennas spaced 1/4-wavelength apart and fed 90 degrees out of phase?

A figure-8 end-fire along the axis of the array

A figure-8 broadside to the axis of the array

Omnidirectional

E9D08: What happens to the bandwidth of an antenna as it is shortened through the use of loading coils?

It is increased

No change occurs

It becomes flat

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

E9F09: What is the approximate physical length of a solid polyethylene dielectric coaxial transmission line that is electrically one-quarter wavelength long at 7.2 MHz?

10 meters

24 meters

50 meters

E9G02: What type of coordinate system is used in a Smith chart?

Voltage circles and current arcs

Voltage lines and current chords

Resistance lines and reactance chords

E9H05: What is the main drawback of a wire-loop antenna for direction finding?

It is non-rotatable

It receives equally well in all directions

It is practical for use only on VHF bands