Ham Technician License Practice Quiz

• Percentage: 0%; Correct: 0; Total: 0 of 35

T0A02: How does current flowing through the body cause a health hazard?

By heating tissue
It disrupts the electrical functions of cells
It causes involuntary muscle contractions
All of these choices are correct

T0B03: Under what circumstances is it safe to climb a tower without a helper or observer?

When no electrical work is being performed
When no mechanical work is being performed
When the work being done is not more than 20 feet above the ground

T0C07: What could happen if a person accidentally touched your antenna while you were transmitting?

Touching the antenna could cause television interference
They might receive a painful RF burn
They might develop radiation poisoning
All of these choices are correct

T1A03: Which part of the FCC rules contains the rules and regulations governing the Amateur Radio Service?

Part 73
Part 95
Part 90
Part 97

T1B06: Which 23 cm frequency is authorized to a Technician Class operator license?

2315 MHz
1296 MHz
3390 MHz
146.52 MHz

T1C06: From which of the following may an FCC-licensed amateur station transmit, in addition to places where the FCC regulates communications?

From within any country that belongs to the International Telecommunications Union
From within any country that is a member of the United Nations
From anywhere within in ITU Regions 2 and 3
From any vessel or craft located in international waters and documented or registered in the United States

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 where such communications directly relate to the immediate safety of human life or protection of property
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

T1E09: What type of control is being used when transmitting using a handheld radio?

Radio control
Unattended control
Automatic control
Local control

T1F01: What type of identification is being used when identifying a station on the air as 'Race Headquarters'?

Tactical call
Self-assigned designator
Broadcast station

T2A06: What must an amateur operator do when making on-air transmissions to test equipment or antennas?

Properly identify the transmitting station
Make test transmissions only after 10:00 p.m. local time
Notify the FCC of the test transmission
State the purpose of the test during the test procedure

T2B11: What is the "Q" signal used to indicate that you are changing frequency?


T2C06: Which of the following is common practice during net operations to get the immediate attention of the net control station when reporting an emergency?

Repeat the words SOS three times followed by the call sign of the reporting station
Press the push-to-talk button three times
Begin your transmission with 'Priority' or 'Emergency' followed by your call sign
Play a pre-recorded emergency alert tone followed by your call sign

T3A02: Why are UHF signals often more effective from inside buildings than VHF signals?

VHF signals lose power faster over distance
The shorter wavelength allows them to more easily penetrate the structure of buildings
This is incorrect; VHF works better than UHF inside buildings
UHF antennas are more efficient than VHF antennas

T3B10: What frequency range is referred to as HF?

300 to 3000 MHz
30 to 300 MHz
3 to 30 MHz
300 to 3000 kHz

T3C10: What is the radio horizon?

The distance at which radio signals between two points are effectively blocked by the curvature of the Earth
The distance from the ground to a horizontally mounted antenna
The farthest point you can see when standing at the base of your antenna tower
The shortest distance between two points on the Earth's surface

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

It prevents voltage fluctuations from reaching sensitive circuits
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
Turn on the noise blanker
Use the RIT control

T5A11: What is the basic unit of electromotive force?

The volt
The watt
The ampere
The ohm

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

10 dB
12 dB
18 dB
28 dB

T5C09: How much power is being used in a circuit when the applied voltage is 13.8 volts DC and the current is 10 amperes?

138 watts
0.7 watts
23.8 watts
3.8 watts

T5D04: What is the resistance of a circuit in which a current of 3 amperes flows through a resistor connected to 90 volts?

3 ohms
30 ohms
93 ohms
270 ohms

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

Zener Diode
Variable resistor

T6B03: Which of these components can be used as an electronic switch or amplifier?


T6C03: What is component 2 in figure T1?

Indicator lamp

T6D04: Which of the following can be used to display signal strength on a numeric scale?


T7A13: Where is an RF preamplifier installed?

Between the antenna and receiver
At the output of the transmitter's power amplifier
Between a transmitter and antenna tuner
At the receiver's audio output

T7B06: What should you do first if someone tells you that your station's transmissions are interfering with their radio or TV reception?

Make sure that your station is functioning properly and that it does not cause interference to your own television
Immediately turn off your transmitter and contact the nearest FCC office for assistance
Tell them that your license gives you the right to transmit and nothing can be done to reduce the interference
Continue operating normally because your equipment cannot possibly cause any interference

T7C09: Which of the following is the most common cause for failure of coaxial cables?

Moisture contamination
Gamma rays
The velocity factor exceeds 1.0

T7D11: Which of the following precautions should be taken when measuring circuit resistance with an ohmmeter?

Ensure that the applied voltages are correct
Ensure that the circuit is not powered
Ensure that the circuit is grounded
Ensure that the circuit is operating at the correct frequency

T8A06: Which sideband is normally used for 10 meter HF, VHF and UHF single-sideband communications?

Upper sideband
Lower sideband
Suppressed sideband
Inverted sideband

T8B07: With regard to satellite communications, what is Doppler shift?

A change in the satellite orbit
A mode where the satellite receives signals on one band and transmits on another
An observed change in signal frequency caused by relative motion between the satellite and the earth station
A special digital communications mode for some satellites

T8C08: What is required in place of on-air station identification when sending signals to a radio control model using amateur frequencies?

Voice identification must be transmitted every 10 minutes
Morse code ID must be sent once per hour
A label indicating the licensee's name, call sign and address must be affixed to the transmitter
A flag must be affixed to the transmitter antenna with the station call sign in 1 inch high letters or larger

T8D03: Which of the following is normally used when sending automatic location reports via amateur radio?

A connection to the vehicle speedometer
A WWV receiver
A connection to a broadcast FM sub-carrier receiver
A Global Positioning System receiver

T9A03: Which of the following describes a simple dipole mounted so the conductor is parallel to the Earth's surface?

A ground wave antenna
A horizontally polarized antenna
A rhombic antenna
A vertically polarized antenna

T9B10: What electrical difference exists between the smaller RG-58 and larger RG-8 coaxial cables?

There is no significant difference between the two types
RG-58 cable has less loss at a given frequency
RG-8 cable has less loss at a given frequency
RG-58 cable can handle higher power levels