T0A01: Which is a commonly accepted value for the lowest voltage that can cause a dangerous electric shock?

12 volts

120 volts

300 volts

T0B04: Which of the following is an important safety precaution to observe when putting up an antenna tower?

Wear a ground strap connected to your wrist at all times

Insulate the base of the tower to avoid lightning strikes

All of these choices are correct

T0C04: What factors affect the RF exposure of people near an amateur station antenna?

Frequency and power level of the RF field

Distance from the antenna to a person

Radiation pattern of the antenna

T1A08: Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Frequency Spectrum Manager

FCC Regional Field Office

International Telecommunications Union

T1B02: North American amateur stations are located in which ITU region?

Region 1

Region 3

Region 4

T1C03: What types of international communications are permitted by an FCC-licensed amateur station?

Communications incidental to conducting business or remarks of a personal nature

Only communications incidental to contest exchanges, all other communications are prohibited

Any communications that would be permitted on an international broadcast station

T1D09: Under which of the following circumstances are amateur stations authorized to transmit signals related to broadcasting, program production, or news gathering, assuming no other means is available?

Only when broadcasting communications to or from the space shuttle.

Only where noncommercial programming is gathered and supplied exclusively to the National Public Radio network

Only when using amateur repeaters linked to the Internet

T1E02: Who is eligible to be the control operator of an amateur station?

Only a person holding an amateur service license from any country that belongs to the United Nations

Only a citizen of the United States

Only a person over the age of 18

T1F08: When may a Technician Class licensee be the control operator of a station operating in an exclusive Extra Class operator segment of the amateur bands?

On Armed Forces Day

As part of a multi-operator contest team

When using a club station whose trustee is an Extra Class operator licensee

T2A11: What are the FCC rules regarding power levels used in the amateur bands?

Always use the maximum power allowed to ensure that you complete the contact

An amateur may use no more than 200 watts PEP to make an amateur contact

An amateur may use up to 1500 watts PEP on any amateur frequency

T2B10: What is the "Q" signal used to indicate that you are receiving interference from other stations?

QRN

QTH

QSB

T2C04: What do RACES and ARES have in common?

They represent the two largest ham clubs in the United States

Both organizations broadcast road and weather traffic information

Neither may handle emergency traffic supporting public service agencies

T3A11: Which part of the atmosphere enables the propagation of radio signals around the world?

The stratosphere

The troposphere

The magnetosphere

T3B11: What is the approximate velocity of a radio wave as it travels through free space?

3000 kilometers per second

300,000 miles per hour

186,000 miles per hour

T3C01: Why are "direct" (not via a repeater) UHF signals rarely heard from stations outside your local coverage area?

They are too weak to go very far

FCC regulations prohibit them from going more than 50 miles

They collide with trees and shrubbery and fade out

T4A03: Which is a good reason to use a regulated power supply for communications equipment?

A regulated power supply has FCC approval

A fuse or circuit breaker regulates the power

Power consumption is independent of load

T4B05: Which of the following would reduce ignition interference to a receiver?

Change frequency slightly

Decrease the squelch setting

Use the RIT control

T5A07: Which of the following is a good electrical conductor?

Glass

Wood

Rubber

T5B11: What is the approximate amount of change, measured in decibels (dB), of a power increase from 20 watts to 200 watts?

12 dB

18 dB

28 dB

T5C04: What is the basic unit of inductance?

The coulomb

The farad

The ohm

T5D09: What is the current flowing through a 24-ohm resistor connected across 240 volts?

24,000 amperes

0.1 amperes

216 amperes

T6A08: What electrical component is used to connect or disconnect electrical circuits?

Zener Diode

Inductor

Variable resistor

T6B01: What class of electronic components is capable of using a voltage or current signal to control current flow?

Capacitors

Inductors

Resistors

T6C07: What is component 8 in figure T2?

Resistor

Inductor

Regulator IC

T6D10: What is the function of component 2 in Figure T1?

Give off light when current flows through it

Supply electrical energy

Convert electrical energy into radio waves

T7A13: Where is an RF preamplifier installed?

At the output of the transmitter's power amplifier

Between a transmitter and antenna tuner

At the receiver's audio output

T7B11: What is a symptom of RF feedback in a transmitter or transceiver?

Excessive SWR at the antenna connection

The transmitter will not stay on the desired frequency

Frequent blowing of power supply fuses

T7C01: What is the primary purpose of a dummy load?

To prevent over-modulation of your transmitter

To improve the radiation from your antenna

To improve the signal to noise ratio of your receiver

T7D05: What instrument is used to measure resistance?

An oscilloscope

A spectrum analyzer

A noise bridge

T8A08: What is the approximate bandwidth of a single sideband voice signal?

1 kHz

6 kHz

15 kHz

T8B08: What is meant by the statement that a satellite is operating in "mode U/V"?

The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band

The satellite operates using ultraviolet frequencies

The satellite frequencies are usually variable

T8C05: What is a grid locator?

A letter-number designator assigned to an azimuth and elevation

An instrument for neutralizing a final amplifier

An instrument for radio direction finding

T8D01: Which of the following is an example of a digital communications method?

Packet

PSK31

MFSK

T9A11: What is meant by the gain of an antenna?

The additional power that is added to the transmitter power

The additional power that is lost in the antenna when transmitting on a higher frequency

The increase in impedance on receive or transmit compared to a reference antenna

T9B03: Why is coaxial cable used more often than any other feedline for amateur radio antenna systems?

It has less loss than any other type of feedline

It can handle more power than any other type of feedline

It is less expensive than any other types of feedline