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

E1B01: Which of the following constitutes a spurious emission?

An amateur station transmission made at random without the proper call sign identification

A signal transmitted to prevent its detection by any station other than the intended recipient

Any transmitted bogus signal that interferes with another licensed radio station

E1C07: What is meant by local control?

Controlling a station through a local auxiliary link

Automatically manipulating local station controls

Controlling a repeater using a portable handheld transceiver

E1D02: What is the amateur satellite service?

A radio navigation service using satellites for the purpose of self training, intercommunication and technical studies carried out by amateurs

A spacecraft launching service for amateur-built satellites

A radio communications service using stations on Earth satellites for public service broadcast

E1E07: What should a VE do if a candidate fails to comply with the examiner's instructions during an amateur operator license examination?

Warn the candidate that continued failure to comply will result in termination of the examination

Allow the candidate to complete the examination, but invalidate the results

Immediately terminate everyones examination and close the session

E1F04: Which of the following geographic descriptions approximately describes "Line A"?

A line roughly parallel to and west of the US Atlantic coastline

A line roughly parallel to and north of the US-Mexican border and Gulf coastline

A line roughly parallel to and east of the US Pacific coastline

E2A01: What is the direction of an ascending pass for an amateur satellite?

From west to east

From east to west

From north to south

E2B19: What special operating frequency restrictions are imposed on slow scan TV transmissions?

None; they are allowed on all amateur frequencies

They are restricted to 7.245 MHz, 14.245 MHz, 21.345, MHz, and 28.945 MHz

They are not permitted above 54 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

E2D03: Which of the following digital modes is especially useful for EME communications?

FSK441

PACTOR III

Olivia

E2E09: Which of the following HF digital modes uses variable-length coding for bandwidth efficiency?

RTTY

PACTOR

MT63

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

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

160 to 40 meters

30 to 10 meters

6 meters to 2 meters

E3C12: How does the maximum distance of ground-wave propagation change when the signal frequency is increased?

It stays the same

It increases

It peaks at roughly 14 MHz

E4A12: Which of the following procedures is an important precaution to follow when connecting a spectrum analyzer to a transmitter output?

Use high quality double shielded coaxial cables to reduce signal losses

Match the antenna to the load

All of these choices are correct

E4B13: How is the compensation of an oscilloscope probe typically adjusted?

A high frequency sine wave is displayed and the probe is adjusted for maximum amplitude

A frequency standard is displayed and the probe is adjusted until the deflection time is accurate

A DC voltage standard is displayed and the probe is adjusted until the displayed voltage is accurate

E4C11: Which of the following is a desirable amount of selectivity for an amateur SSB phone receiver?

1 kHz

4.2 kHz

4.8 kHz

E4D02: Which of the following describes two problems caused by poor dynamic range in a communications receiver?

Oscillator instability requiring frequent retuning and loss of ability to recover the opposite sideband

Cross-modulation of the desired signal and insufficient audio power to operate the speaker

Oscillator instability and severe audio distortion of all but the strongest received signals

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

E5A05: What is the magnitude of the current at the input of a series RLC circuit as the frequency goes through resonance?

Minimum

R/L

L/R

E5B03: The capacitor in an RC circuit is discharged to what percentage of the starting voltage after two time constants?

86.5%

63.2%

36.8%

E5C13: What coordinate system is often used to display the resistive, inductive, and/or capacitive reactance components of an impedance?

Maidenhead grid

Faraday grid

Elliptical coordinates

E5D13: How much power is consumed in a circuit consisting of a 100 ohm resistor in series with a 100 ohm inductive reactance drawing 1 ampere?

70.7 Watts

141.4 Watts

200 Watts

E6A13: What do the initials CMOS stand for?

Common Mode Oscillating System

Complementary Mica-Oxide Silicon

Common Mode Organic Silicon

E6B05: What characteristic of a PIN diode makes it useful as an RF switch or attenuator?

Extremely high reverse breakdown voltage

Ability to dissipate large amounts of power

Reverse bias controls its forward voltage drop

E6C03: Which of the following describes tri-state logic?

Logic devices that utilize ternary math

Low power logic devices designed to operate at 3 volts

Proprietary logic devices manufactured by Tri-State Devices

E6D06: What core material property determines the inductance of a toroidal inductor?

Thermal impedance

Resistance

Reactivity

E6E04: What is the most common input and output impedance of circuits that use MMICs?

300 ohms

450 ohms

10 ohms

E6F10: What is the most common type of photovoltaic cell used for electrical power generation?

Selenium

Cadmium Sulfide

Copper oxide

E7A13: What is an SR or RS flip-flop?

A speed-reduced logic device with high power capability

A speed-reduced logic device with very low voltage operation capability

A set/reset flip-flop that toggles whenever the T input is pulsed, unless both inputs are high

E7B17: Why are third-order intermodulation distortion products of particular concern in linear power amplifiers?

Because they are relatively far in frequency from the desired signal

Because they invert the sidebands causing distortion

Because they maintain the sidebands, thus causing multiple duplicate signals

E7C09: What type of digital signal processing filter might be used to generate an SSB signal?

An adaptive filter

A notch filter

An elliptical filter

E7D13: What is the purpose of D1 in the circuit shown in Figure E7-3?

To provide line voltage stabilization

Peak clipping

Hum filtering

E7E06: Why is de-emphasis commonly used in FM communications receivers?

To reduce impulse noise reception

For higher efficiency

To remove third-order distortion products

E7F03: What is the function of a decade counter digital IC?

It decodes a decimal number for display on a seven-segment LED display

It produces ten output pulses for every input pulse

It adds two decimal numbers together

E7G15: What is the typical output impedance of an integrated circuit op-amp?

Very high

100 ohms

1000 ohms

E7H01: What are three oscillator circuits used in Amateur Radio equipment?

Taft, Pierce and negative feedback

Pierce, Fenner and Beane

Taft, Hartley and Pierce

E8A01: What type of wave is made up of a sine wave plus all of its odd harmonics?

A sine wave

A cosine wave

A tangent wave

E8B09: What is meant by deviation ratio?

The ratio of the audio modulating frequency to the center carrier frequency

The ratio of the carrier center frequency to the audio modulating frequency

The ratio of the highest audio modulating frequency to the average audio modulating frequency

E8C08: What term describes a wide-bandwidth communications system in which the transmitted carrier frequency varies according to some predetermined sequence?

Amplitude compandored single sideband

AMTOR

Time-domain frequency modulation

E8D02: What is the relationship between the peak-to-peak voltage and the peak voltage amplitude of a symmetrical waveform?

0.707:1

1.414:1

4:1

E9A09: What is meant by antenna bandwidth?

Antenna length divided by the number of elements

The angle between the half-power radiation points

The angle formed between two imaginary lines drawn through the element ends

E9B13: What does the abbreviation NEC stand for when applied to antenna modeling programs?

Next Element Comparison

National Electrical Code

Numeric Electrical Computation

E9C10: How many elevation lobes appear in the forward direction of the antenna radiation pattern shown in Figure E9-2?

3

1

7

E9D01: How does the gain of an ideal parabolic dish antenna change when the operating frequency is doubled?

Gain does not change

Gain is multiplied by 0.707

Gain increases by 3 dB

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

E9F15: What impedance does a 1/2-wavelength transmission line present to a generator when the line is open at the far end?

Very low impedance

The same as the characteristic impedance of the line

The same as the output impedance of the generator

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

E9H04: What term describes station output, including the transmitter, antenna and everything in between, when considering transmitter power and system gains and losses?

Power factor

Half-power bandwidth

Apparent power