Technician Class Practice Test

Select the most correct answer for each question, then submit your practice test to check your score. This practice test randomly pulls one question from each topic in the Technician pool.

Good Luck!


Which computer sound card port is connected to a transceiver's headphone or speaker output for operating digital modes?

Headphone output
Microphone or line input


What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

1 volt
10 volts
11 volts
9 volts


What is the approximate bandwidth of a single sideband (SSB) voice signal?

1 kHz
3 kHz
6 kHz
15 kHz


What is the Amateur Radio Emergency Service (ARES)?

Licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
Licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service


If a station is not strong enough to keep a repeater's receiver squelch open, which of the following might allow you to receive the station's signal?

Open the squelch on your radio
Listen on the repeater input frequency
Listen on the repeater output frequency
Increase your transmit power


How would you change a dipole antenna to make it resonant on a higher frequency?

Lengthen it
Insert coils in series with radiating wires
Shorten it
Add capacitive loading to the ends of the radiating wires


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


What is the purpose of the squelch control on a transceiver?

To set the highest level of volume desired
To set the transmitter power level
To adjust the automatic gain control
To mute receiver output noise when no signal is being received


How many amperes are flowing in a circuit when the applied voltage is 12 volts DC and the load is 120 watts?

0.1 amperes
10 amperes
12 amperes
132 amperes


What type of electrical component stores energy in a magnetic field?



How much voltage does a mobile transceiver typically require?

About 12 volts
About 30 volts
About 120 volts
About 240 volts


Which of the following is a common repeater frequency offset in the 2 meter band?

Plus or minus 5 MHz
Plus or minus 600 kHz
Plus or minus 500 kHz
Plus or minus 1 MHz


Which of the following is a requirement for the issuance of a club station license grant?

The trustee must have an Amateur Extra class operator license grant
The club must have at least four members
The club must be registered with the American Radio Relay League
All of these choices are correct


If your license has expired and is still within the allowable grace period, may you continue to operate a transmitter on Amateur Radio Service frequencies?

No, transmitting is not allowed until the FCC license database shows that the license has been renewed
Yes, but only if you identify using the suffix GP
Yes, but only during authorized nets
Yes, for up to two years


What should be done to all external ground rods or earth connections?

Waterproof them with silicone caulk or electrical tape
Keep them as far apart as possible
Bond them together with heavy wire or conductive strap
Tune them for resonance on the lowest frequency of operation


Why is it important to have low SWR when using coaxial cable feed line?

To reduce television interference
To reduce signal loss
To prolong antenna life
All of these choices are correct


How can you make sure your station stays in compliance with RF safety regulations?

By informing the FCC of any changes made in your station
By re-evaluating the station whenever an item of equipment is changed
By making sure your antennas have low SWR
All of these choices are correct


Which of the following measurements are commonly made using a multimeter?

SWR and RF power
Signal strength and noise
Impedance and reactance
Voltage and resistance


Which of the following is a result of the fact that the Amateur Radio Service is secondary in all or portions of some amateur bands (such as portions of the 70 cm band)?

U.S. amateurs may find non-amateur stations in those portions, and must avoid interfering with them
U.S. amateurs must give foreign amateur stations priority in those portions
International communications are not permitted in those portions
Digital transmissions are not permitted in those portions


How can overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Block the amateur signal with a filter at the antenna input of the affected receiver
Block the interfering signal with a filter on the amateur transmitter
Switch the transmitter from FM to SSB
Switch the transmitter to a narrow-band mode


Which of the following describes combining speech with an RF carrier signal?

Impedance matching
Low-pass filtering


What antenna polarization is normally used for long-distance weak-signal CW and SSB contacts using the VHF and UHF bands?

Right-hand circular
Left-hand circular


What type of switch is represented by component 3 in figure T2?

Single-pole single-throw
Single-pole double-throw
Double-pole single-throw
Double-pole double-throw
Circuit Diagram


Which of the following is an application of APRS (Automatic Packet Reporting System)?

Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
Showing automatically the number of packets transmitted via PACTOR during a specific time interval
Providing voice over internet connection between repeaters
Providing information on the number of stations signed into a repeater


What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

2 to 1
1 to 3
1 to 1
10 to 1


What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts?

2 dB
3 dB
5 dB
10 dB


What property of radio waves is often used to identify the different frequency bands?

The approximate wavelength
The magnetic intensity of waves
The time it takes for waves to travel one mile
The voltage standing wave ratio of waves


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
UHF signals are usually not reflected by the ionosphere
UHF signals are absorbed by the ionospheric D layer


What is component 9 in figure T2?

Variable capacitor
Variable inductor
Variable resistor
Variable transformer
Circuit Diagram


Which of these items would be useful for a hidden transmitter hunt?

Calibrated SWR meter
A directional antenna
A calibrated noise bridge
All of these choices are correct


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

Frequency Spectrum Manager appointed by the FCC
Volunteer Frequency Coordinator recognized by local amateurs
FCC Regional Field Office
International Telecommunications Union


What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

The FCC maintains a list of words that are not permitted to be used on amateur frequencies
Any such language is prohibited
The ITU maintains a list of words that are not permitted to be used on amateur frequencies
There is no such prohibition


Who may be the control operator of a station communicating through an amateur satellite or space station?

Only an Amateur Extra Class operator
A General class or higher licensee who has a satellite operator certification
Only an Amateur Extra Class operator who is also an AMSAT member
Any amateur whose license privileges allow them to transmit on the satellite uplink frequency


Which of the following are provided by satellite tracking programs?

Maps showing the real-time position of the satellite track over the earth
The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
The apparent frequency of the satellite transmission, including effects of Doppler shift
All of these choices are correct


Which of the following components can consist of three layers of semiconductor material?

Pentagrid converter