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

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

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

E1D08: Which VHF amateur service bands have frequencies available for space stations?

6 meters and 2 meters

6 meters, 2 meters, and 1.25 meters

2 meters and 1.25 meters

E1E14: For which types of out-of-pocket expenses do the Part 97 rules state that VEs and VECs may be reimbursed?

Teaching an amateur operator license examination preparation course

No expenses are authorized for reimbursement

Providing amateur operator license examination preparation training materials

E1F13: What types of communications may be transmitted to amateur stations in foreign countries?

Business-related messages for non-profit organizations

Messages intended for connection to users of the maritime satellite service

All of these choices are correct

E2A02: What is the direction of a descending pass for an amateur satellite?

From west to east

From east to west

From south to north

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

E2C11: How should you generally identify your station when attempting to contact a DX station working a pileup or in a contest?

Send only the last two letters of your call sign until you make contact

Send your full call sign and grid square

Send the call sign of the DX station three times, the words this is, then your call sign three times

E2D04: What is the purpose of digital store-and-forward functions on an Amateur Radio satellite?

To upload operational software for the transponder

To delay download of telemetry between satellites

To relay messages between satellites

E2E08: Which of the following HF digital modes can be used to transfer binary files?

Hellschreiber

RTTY

AMTOR

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

E3B08: What type of HF propagation is probably occurring if radio signals travel along the terminator between daylight and darkness?

Transequatorial

Sporadic-E

Long-path

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

E4A09: Which of the following describes a good method for measuring the intermodulation distortion of your own PSK signal?

Multiply the ALC level on the transmitter during a normal transmission by the average power output

Use an RF voltmeter coupled to the transmitter output using appropriate isolation to prevent damage to the meter

All of these choices are correct

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

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

E4D05: What transmitter frequencies would cause an intermodulation-product signal in a receiver tuned to 146.70 MHz when a nearby station transmits on 146.52 MHz?

146.88 MHz and 146.34 MHz

146.10 MHz and 147.30 MHz

173.35 MHz and 139.40 MHz

E4E13: What might be the cause of a loud roaring or buzzing AC line interference that comes and goes at intervals?

Arcing contacts in a thermostatically controlled device

A defective doorbell or doorbell transformer inside a nearby residence

A malfunctioning illuminated advertising display

E5A12: What is the half-power bandwidth of a parallel resonant circuit that has a resonant frequency of 3.7 MHz and a Q of 118?

436.6 kHz

218.3 kHz

15.7 kHz

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

E5C06: In polar coordinates, what is the impedance of a network consisting of a 100-ohm-reactance capacitor in series with a 100-ohm resistor?

121 ohms at an angle of -25 degrees

191 ohms at an angle of -85 degrees

161 ohms at an angle of -65 degrees

E5D12: How many watts are consumed in a circuit having a power factor of 0.2 if the input is 100-V AC at 4 amperes?

400 watts

2000 watts

50 watts

E6A02: Which of the following semiconductor materials contains excess free electrons?

P-type

Bipolar

Insulated gate

E6B12: What is one common use for PIN diodes?

As a constant current source

As a constant voltage source

As a high voltage rectifier

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

E6D12: How many turns will be required to produce a 5-microhenry inductor using a powdered-iron toroidal core that has an inductance index (A L) value of 40 microhenrys/100 turns?

13 turns

79 turns

141 turns

E6E12: What is a "Jones filter" as used as part of a HF receiver IF stage?

An automatic notch filter

A special filter that emphasizes image responses

A filter that removes impulse noise

E6F04: What is the photovoltaic effect?

The conversion of voltage to current when exposed to light

The conversion of electrical energy to mechanical energy

The tendency of a battery to discharge when used outside

E7A15: What is a D flip-flop?

A differential class D amplifier used as a flip-flop circuit

A dynamic memory storage element

A flip-flop whose output is capable of both positive and negative voltage excursions

E7B20: What is a parametric amplifier?

A type of bipolar operational amplifier with excellent linearity derived from use of very high voltage on the collector

A high power amplifier for HF application utilizing the Miller effect to increase gain

An audio push-pull amplifier using silicon carbide transistors for extremely low noise

E7C13: What is one advantage of a Pi matching network over an L matching network consisting of a single inductor and a single capacitor?

L networks cannot perform impedance transformation

Pi networks have fewer components

Pi networks are designed for balanced input and output

E7D04: Which of the following types of linear voltage regulator usually make the most efficient use of the primary power source?

A series current source

A shunt regulator

A shunt current source

E7E12: What is a frequency discriminator stage in a FM receiver?

An FM generator circuit

A circuit for filtering two closely adjacent signals

An automatic band-switching circuit

E7F04: What additional circuitry must be added to a 100-kHz crystal-controlled marker generator so as to provide markers at 50 and 25 kHz?

An emitter-follower

Two frequency multipliers

A voltage divider

E7G03: Which of the following is an advantage of using an op-amp instead of LC elements in an audio filter?

Op-amps are more rugged

Op-amps are fixed at one frequency

Op-amps are available in more varieties than are LC elements

E7H18: What are the major spectral impurity components of phase-locked loop synthesizers?

Digital conversion noise

Spurious signals at discrete frequencies

Nyquist limit noise

E8A11: What is one use for a pulse modulated signal?

Linear amplification

PSK31 data transmission

Multiphase power transmission

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

E8C07: What is the necessary bandwidth of a 4800-Hz frequency shift, 9600-baud ASCII FM transmission?

9.6 kHz

4.8 kHz

5.76 kHz

E8D03: What input-amplitude parameter is valuable in evaluating the signal-handling capability of a Class A amplifier?

RMS voltage

Average power

Resting voltage

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%

E9B07: How does the total amount of radiation emitted by a directional gain antenna compare with the total amount of radiation emitted from an isotropic antenna, assuming each is driven by the same amount of power?

The total amount of radiation from the directional antenna is increased by the gain of the antenna

The total amount of radiation from the directional antenna is stronger by its front to back ratio

The radiation from the isotropic antenna is 2.15 dB stronger than that from the directional antenna

E9C05: What are the disadvantages of a terminated rhombic antenna for the HF bands?

The antenna has a very narrow operating bandwidth

The antenna produces a circularly polarized signal

The antenna is more sensitive to man-made static than any other type

E9D03: How does the beamwidth of an antenna vary as the gain is increased?

It increases geometrically

It increases arithmetically

It is essentially unaffected

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

E9F14: What impedance does a 1/2-wavelength transmission line present to a generator when the line is shorted at the far end?

Very high impedance

The same as the characteristic impedance of the line

The same as the output impedance of the generator

E9G03: Which of the following is often determined using a Smith chart?

Beam headings and radiation patterns

Satellite azimuth and elevation bearings

Trigonometric functions

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