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!


T7A03:

Which of the following is used to convert a radio signal from one frequency to another?

Phase splitter
Mixer
Inverter
Amplifier

T5A11:

What is the unit of electromotive force?

The volt
The watt
The ampere
The ohm

T5B10:

What is the approximate amount of change, measured in decibels (dB), of a power decrease from 12 watts to 3 watts?

-1 dB
-3 dB
-6 dB
-9 dB

T8B09:

What causes spin fading of satellite signals?

Circular polarized noise interference radiated from the sun
Rotation of the satellite and its antennas
Doppler shift of the received signal
Interfering signals within the satellite uplink band

T8D02:

What does the term "APRS" mean?

Automatic Packet Reporting System
Associated Public Radio Station
Auto Planning Radio Set-up
Advanced Polar Radio System

T1C03:

What types of international communications is an FCC-licensed amateur radio station permitted to make?

Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
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 by an international broadcast station

T2B04:

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Improper transceiver offset
The repeater may require a proper CTCSS tone from your transceiver
The repeater may require a proper DCS tone from your transceiver
All of these choices are correct

T1E08:

Which of the following is an example of automatic control?

Repeater operation
Controlling the station over the internet
Using a computer or other device to send CW automatically
Using a computer or other device to identify automatically

T6C13:

Which of the following is accurately represented in electrical schematics?

Wire lengths
Physical appearance of components
The way components are interconnected
All of these choices are correct

T6A08:

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

Magnetron
Switch
Thermistor
All of these choices are correct

T8C04:

Which of the following is good procedure when contacting another station in a radio contest?

Sign only the last two letters of your call if there are many other stations calling
Contact the station twice to be sure that you are in his log
Send only the minimum information needed for proper identification and the contest exchange
All of these choices are correct

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

T1B01:

What is the International Telecommunications Union (ITU)?

An agency of the United States Department of Telecommunications Management
A United Nations agency for information and communication technology issues
An independent frequency coordination agency
A department of the FCC

T7D05:

What instrument is used to measure resistance?

An oscilloscope
A spectrum analyzer
A noise bridge
An ohmmeter

T3A10:

What may occur if data signals arrive via multiple paths?

Transmission rates can be increased by a factor equal to the number of separate paths observed
Transmission rates must be decreased by a factor equal to the number of separate paths observed
No significant changes will occur if the signals are transmitted using FM
Error rates are likely to increase

T2A06:

Which of the following is required when making on-the-air test transmissions?

Identify the transmitting station
Conduct tests only between 10 p.m. and 6 a.m. local time
Notify the FCC of the transmissions
All of these choices are correct

T7C02:

Which of the following instruments can be used to determine if an antenna is resonant at the desired operating frequency?

A VTVM
An antenna analyzer
A Q meter
A frequency counter

T1D01:

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Any country whose administration has notified the International Telecommunications Union (ITU) that it objects to such communications
Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
Any country engaged in hostilities with another country
Any country in violation of the War Powers Act of 1934

T4A11:

Where should the negative return connection of a mobile transceiver's power cable be connected?

At the battery or engine block ground strap
At the antenna mount
To any metal part of the vehicle
Through the transceiver's mounting bracket

T9A06:

What type of antennas are the quad, Yagi, and dish?

Non-resonant antennas
Log periodic antennas
Directional antennas
Isotropic antennas

T6B09:

What are the names of the two electrodes of a diode?

Plus and minus
Source and drain
Anode and cathode
Gate and base

T1F11:

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

T0B06:

What is the minimum safe distance from a power line to allow when installing an antenna?

Half the width of your property
The height of the power line above ground
1/2 wavelength at the operating frequency
Enough so that if the antenna falls unexpectedly, no part of it can come closer than 10 feet to the power wires

T5D02:

What formula is used to calculate voltage in a circuit?

Voltage (E) equals current (I) multiplied by resistance (R)
Voltage (E) equals current (I) divided by resistance (R)
Voltage (E) equals current (I) added to resistance (R)
Voltage (E) equals current (I) minus resistance (R)

T7B05:

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

T9B07:

Which of the following is true of PL-259 type coax connectors?

They are preferred for microwave operation
They are watertight
They are commonly used at HF frequencies
They are a bayonet type connector

T1A05:

What is proof of possession of an FCC-issued operator/primary license grant?

A printed operator/primary station license issued by the FCC must be displayed at the transmitter site
The control operator must have an operator/primary station license in his or her possession when in control of a transmitter
The control operator's operator/primary station license must appear in the FCC ULS consolidated licensee database
All of these choices are correct

T5C03:

What is the ability to store energy in a magnetic field called?

Admittance
Capacitance
Resistance
Inductance

T3B11:

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

150,000 kilometers per second
300,000,000 meters per second
300,000,000 miles per hour
150,000 miles per hour

T0C12:

How does RF radiation differ from ionizing radiation (radioactivity)?

RF radiation does not have sufficient energy to cause genetic damage
RF radiation can only be detected with an RF dosimeter
RF radiation is limited in range to a few feet
RF radiation is perfectly safe

T8A03:

Which type of voice mode is most often used for long-distance (weak signal) contacts on the VHF and UHF bands?

FM
DRM
SSB
PM

T6D11:

Which of the following is a resonant or tuned circuit?

An inductor and a capacitor connected in series or parallel to form a filter
A type of voltage regulator
A resistor circuit used for reducing standing wave ratio
A circuit designed to provide high-fidelity audio

T0A02:

What health hazard is presented by electrical current flowing through the body?

It may cause injury by heating tissue
It may disrupt the electrical functions of cells
It may cause involuntary muscle contractions
All of these choices are correct

T4B01:

What may happen if a transmitter is operated with the microphone gain set too high?

The output power might be too high
The output signal might become distorted
The frequency might vary
The SWR might increase

T2C12:

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