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

E1A02: When using a transceiver that displays the carrier frequency of phone signals, which of the following displayed frequencies represents the lowest frequency at which a properly adjusted LSB emission will be totally within the band?

The exact lower band edge

300 Hz above the lower band edge

1 kHz above the lower band edge

E1B02: Which of the following factors might cause the physical location of an amateur station apparatus or antenna structure to be restricted?

The location is near an area of political conflict

The location is of geographical or horticultural importance

The location is in an ITU zone designated for coordination with one or more foreign governments

E1C06: Which of the following statements concerning remotely controlled amateur stations is true?

Only Extra Class operators may be the control operator of a remote station

A control operator need not be present at the control point

Repeater and auxiliary stations may not be remotely controlled

E1D07: Which amateur service HF bands have frequencies authorized to space stations?

Only 40m, 20m, 17m, 15m and 10m bands

40m, 30m, 20m, 15m, 12m and 10m bands

All HF bands

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

E1F10: What is the maximum transmitter power for an amateur station transmitting spread spectrum communications?

1 W

1.5 W

1.5 kW

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

HEO

Geomagnetic

LEO

E2B17: What is the approximate bandwidth of a slow-scan TV signal?

600 Hz

2 MHz

6 MHz

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

3.525 MHz

14.020 MHz

28.330 MHz

E2D08: Which of the following types of packet frames is used to transmit APRS beacon data?

Disconnect

Acknowledgement

Connect

E2E12: Which type of digital communication does not support keyboard-to-keyboard operation?

RTTY

PSK31

MFSK

E3A08: When a meteor strikes the Earth's atmosphere, a cylindrical region of free electrons is formed at what layer of the ionosphere?

The F1 layer

The F2 layer

The D layer

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

1000 miles

2500 miles

7500 miles

E3C03: Where in the ionosphere does Aurora activity occur?

In the F1-region

In the F2-region

In the D-region

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

SWR

Q

Time

E4B14: What happens if a dip meter is too tightly coupled to a tuned circuit being checked?

Harmonics are generated

Cross modulation occurs

Intermodulation distortion occurs

E4C10: Which of the following is a desirable amount of selectivity for an amateur RTTY HF receiver?

100 Hz

6000 Hz

2400 Hz

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

Amplifier desensitization

Neutralization

Adjacent channel interference

E4E02: Which of the following types of receiver noise can often be reduced with a DSP noise filter?

Broadband white noise

Ignition noise

Power line noise

E5A17: What is the resonant frequency of a parallel RLC circuit if R is 47 ohms, L is 25 microhenrys and C is 10 picofarads?

63.2 MHz

10.1 kHz

63.2 kHz

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

E5C23: Which point on Figure E5-2 best represents the impedance of a series circuit consisting of a 300-ohm resistor, a 0.64-microhenry inductor and an 85-picofarad capacitor at 24.900 MHz?

Point 1

Point 3

Point 5

E5D10: How can the true power be determined in an AC circuit where the voltage and current are out of phase?

By dividing the reactive power by the power factor

By dividing the apparent power by the power factor

By multiplying the reactive power times the power factor

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

2

4

5

E6B03: What special type of diode is capable of both amplification and oscillation?

Point contact

Zener

Junction

E6C04: Which of the following is the primary advantage of tri-state logic?

Low power consumption

High speed operation

More efficient arithmetic operations

E6D01: What is cathode ray tube (CRT) persistence?

The time it takes for an image to appear after the electron beam is turned on

The relative brightness of the display under varying conditions of ambient light

The ability of the display to remain in focus under varying conditions

E6E01: What is a crystal lattice filter?

A power supply filter made with interlaced quartz crystals

An audio filter made with four quartz crystals that resonate at 1-kHz intervals

A filter with wide bandwidth and shallow skirts made using quartz crystals

E6F02: What happens to the conductivity of a photoconductive material when light shines on it?

It decreases

It stays the same

It becomes unstable

E7A01: Which of the following is a bistable circuit?

An "AND" gate

An "OR" gate

A clock

E7B11: In Figure E7-1, what is the purpose of R3?

Fixed bias

Emitter bypass

Output load resistor

E7C03: What advantage does a Pi-L-network have over a Pi-network for impedance matching between the final amplifier of a vacuum-tube transmitter and an antenna?

Higher efficiency

Lower losses

Greater transformation range

E7D10: What is the purpose of C3 in the circuit shown in Figure E7-3?

It provides brute force filtering of the output

It provides fixed bias for Q1

It clips the peaks of the ripple

E7E10: How does a diode detector function?

By breakdown of the Zener voltage

By mixing signals with noise in the transition region of the diode

By sensing the change of reactance in the diode with respect to frequency

E7F01: What is the purpose of a prescaler circuit?

It converts the output of a JK flip flop to that of an RS flip-flop

It multiplies a higher frequency signal so a low-frequency counter can display the operating frequency

It prevents oscillation in a low-frequency counter circuit

E7G07: What magnitude of voltage gain can be expected from the circuit in Figure E7-4 when R1 is 10 ohms and RF is 470 ohms?

0.21

94

24

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

E8A14: Which of these methods is commonly used to convert analog signals to digital signals?

Harmonic regeneration

Level shifting

Phase reversal

E8B01: What is the term for the ratio between the frequency deviation of an RF carrier wave, and the modulating frequency of its corresponding FM-phone signal?

FM compressibility

Quieting index

Percentage of modulation

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

ASCII

AX.25

Baudot

E8D01: Which of the following is the easiest voltage amplitude parameter to measure when viewing a pure sine wave signal on an analog oscilloscope?

RMS voltage

Average voltage

DC voltage

E9A15: What is meant by the radiation resistance of an antenna?

The combined losses of the antenna elements and feed line

The specific impedance of the antenna

The resistance in the atmosphere that an antenna must overcome to be able to radiate a signal

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

E9D07: What is a disadvantage of using a multiband trapped antenna?

It radiates the harmonics and fundamental equally well

It is too sharply directional at lower frequencies

It must be neutralized

E9E13: What is the purpose of a Wilkinson divider?

It divides the operating frequency of a transmitter signal so it can be used on a lower frequency band

It is used to feed high-impedance antennas from a low-impedance source

It is used to feed low-impedance loads from a high-impedance source

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

E9G10: What do the arcs on a Smith chart represent?

Frequency

SWR

Points with constant resistance

E9H03: What is the effective isotropic radiated power of a repeater station with 200 watts transmitter power output, 2-dB feed line loss, 2.8-dB duplexer loss, 1.2-dB circulator loss and 7-dBi antenna gain?

159 watts

632 watts

63.2 watts