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

E1A09: What is the first action you should take if your digital message forwarding station inadvertently forwards a communication that violates FCC rules?

Notify the originating station that the communication does not comply with FCC rules

Notify the nearest FCC Field Engineer's office

Discontinue forwarding all messages

E1B08: What limitations may the FCC place on an amateur station if its signal causes interference to domestic broadcast reception, assuming that the receiver(s) involved are of good engineering design?

The amateur station must cease operation

The amateur station must cease operation on all frequencies below 30 MHz

The amateur station must cease operation on all frequencies above 30 MHz

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

E1D09: Which amateur service UHF bands have frequencies available for a space station?

70 cm

70 cm and 33 cm

33 cm and 13 cm

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

E1F12: Who may be the control operator of an auxiliary station?

Any licensed amateur operator

Only General, Advanced or Amateur Extra Class operators

Only Amateur Extra Class operators

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

HEO

Geomagnetic

LEO

E2B15: What signals SSTV receiving equipment to begin a new picture line?

Elapsed time

Specific tone amplitudes

A two-tone signal

E2C04: On which of the following frequencies is an amateur radio contest contact generally discouraged?

3.525 MHz

14.020 MHz

28.330 MHz

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

144.20 MHz

145.02 MHz

146.52 MHz

E2E02: What do the letters FEC mean as they relate to digital operation?

First Error Correction

Fatal Error Correction

Final Error Correction

E3A06: What frequency range would you normally tune to find EME signals in the 2 meter band?

144.000 - 144.001 MHz

144.100 - 144.300 MHz

145.000 - 145.100 MHz

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

160 to 40 meters

30 to 10 meters

6 meters to 2 meters

E3C08: What is the name of the high-angle wave in HF propagation that travels for some distance within the F2 region?

Oblique-angle ray

Ordinary ray

Heaviside ray

E4A03: Which of the following parameters would a spectrum analyzer display on the vertical axis?

Duration

SWR

Q

E4B09: What is indicated if the current reading on an RF ammeter placed in series with the antenna feed line of a transmitter increases as the transmitter is tuned to resonance?

There is possibly a short to ground in the feed line

The transmitter is not properly neutralized

There is an impedance mismatch between the antenna and feed line

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

E4D08: What causes intermodulation in an electronic circuit?

Too little gain

Lack of neutralization

Positive feedback

E4E04: How can conducted and radiated noise caused by an automobile alternator be suppressed?

By installing filter capacitors in series with the DC power lead and by installing a blocking capacitor in the field lead

By installing a noise suppression resistor and a blocking capacitor in both leads

By installing a high-pass filter in series with the radio's power lead and a low-pass filter in parallel with the field lead

E5A01: What can cause the voltage across reactances in series to be larger than the voltage applied to them?

Capacitance

Conductance

Resistance

E5B04: What is the time constant of a circuit having two 220-microfarad capacitors and two 1-megohm resistors, all in parallel?

55 seconds

110 seconds

440 seconds

E5C11: What do the two numbers represent that are used to define a point on a graph using rectangular coordinates?

The magnitude and phase of the point

The sine and cosine values

The tangent and cotangent values

E5D05: Which of the following creates a magnetic field?

Potential differences between two points in space

A charged capacitor

A battery

E6A07: In Figure E6-1, what is the schematic symbol for a PNP transistor?

2

4

5

E6B04: What type of semiconductor device is designed for use as a voltage-controlled capacitor?

Tunnel diode

Silicon-controlled rectifier

Zener diode

E6C06: Why do CMOS digital integrated circuits have high immunity to noise on the input signal or power supply?

Larger bypass capacitors are used in CMOS circuit design

The input switching threshold is about two times the power supply voltage

Input signals are stronger

E6D10: What is a primary advantage of using a toroidal core instead of a solenoidal core in an inductor?

Toroidal cores make it easier to couple the magnetic energy into other components

Toroidal cores exhibit greater hysteresis

Toroidal cores have lower Q characteristics

E6E07: Which of the following techniques is typically used to construct a MMIC-based microwave amplifier?

Ground-plane construction

Point-to-point construction

Wave-soldering construction

E6F12: What absorbs the energy from light falling on a photovoltaic cell?

Protons

Photons

Holes

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"

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

Exactly 180 degrees

The entire cycle

Less than 180 degrees

E7C06: What are the distinguishing features of an elliptical filter?

Gradual passband rolloff with minimal stop band ripple

Extremely flat response over its pass band with gradually rounded stop band corners

Gradual passband rolloff with extreme stop band ripple

E7D03: What device is typically used as a stable reference voltage in a linear voltage regulator?

A tunnel diode

An SCR

A varactor diode

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

E7F09: What is the purpose of a frequency counter?

To generate a series of reference signals at known frequency intervals

To display all frequency components of a transmitted signal

To provide a signal source at a very accurate frequency

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

E7H03: How is positive feedback supplied in a Hartley oscillator?

Through a capacitive divider

Through link coupling

Through a neutralizing capacitor

E8A04: What is equivalent to the root-mean-square value of an AC voltage?

The AC voltage found by taking the square of the average value of the peak AC voltage

The DC voltage causing the same amount of heating in a given resistor as the corresponding peak AC voltage

The AC voltage found by taking the square root of the average AC value

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

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

E8D16: What is the RMS value of a 340-volt peak-to-peak pure sine wave?

170V AC

240V AC

300V AC

E9A10: How is antenna efficiency calculated?

(radiation resistance / transmission resistance) x 100%

(total resistance / radiation resistance) x 100%

(effective radiated power / transmitter output) x 100%

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

75 degrees

25 degrees

30 degrees

E9C09: What is the front-to-back ratio of the radiation pattern shown in Figure E9-2?

15 dB

3 dB

24 dB

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

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

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

E9G05: What type of chart is shown in Figure E9-3?

Free-space radiation directivity chart

Elevation angle radiation pattern chart

Azimuth angle radiation pattern chart

E9H09: Which of the following describes the construction of a receiving loop antenna?

A large circularly-polarized antenna

A small coil of wire tightly wound around a toroidal ferrite core

A vertical antenna coupled to a feed line through an inductive loop of wire