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!


What is the impact of using too much effective radiated power on a satellite uplink?

Possibility of commanding the satellite to an improper mode
Blocking access by other users
Overloading the satellite batteries
Possibility of rebooting the satellite control computer


If a frequency display shows a reading of 2425 MHz, what frequency is that in GHz?

0.002425 GHz
24.25 GHz
2.425 GHz
2425 GHz


What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

3 ohms
16 ohms
48 ohms
8 ohms


Which of the following conductors provides the lowest impedance to RF signals?

Round stranded wire
Round copper-clad steel wire
Twisted-pair cable
Flat strap


Which of the following is a use for the scanning function of an FM transceiver?

To check incoming signal deviation
To prevent interference to nearby repeaters
To scan through a range of frequencies to check for activity
To check for messages left on a digital bulletin board


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


What is the purpose of a fuse in an electrical circuit?

To prevent power supply ripple from damaging a circuit
To interrupt power in case of overload
To limit current to prevent shocks
All of these choices are correct


What is the name for a current that reverses direction on a regular basis?

Alternating current
Direct current
Circular current
Vertical current


Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Homeland Security
All of these choices are correct


Which of the following is commonly used as a visual indicator?

Zener diode
Bipolar transistor


Which of the following is a guideline when choosing an operating frequency for calling CQ?

Listen first to be sure that no one else is using the frequency
Ask if the frequency is in use
Make sure you are in your assigned band
All of these choices are correct


What is the maximum peak envelope power output for Technician class operators using their assigned portions of the HF bands?

200 watts
100 watts
50 watts
10 watts


When using a directional antenna, how might your station be able to access a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Change from vertical to horizontal polarization
Try to find a path that reflects signals to the repeater
Try the long path
Increase the antenna SWR


What is impedance?

A measure of the opposition to AC current flow in a circuit
The inverse of resistance
The Q or Quality Factor of a component
The power handling capability of a component


What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Talk louder into the microphone
Let the transceiver cool off
Change to a higher power level
Talk farther away from the microphone


Which of the following is an acceptable method to determine that your station complies with FCC RF exposure regulations?

By calculation based on FCC OET Bulletin 65
By calculation based on computer modeling
By measurement of field strength using calibrated equipment
All of these choices are correct


What is the approximate maximum bandwidth required to transmit a CW signal?

2.4 kHz
150 Hz
1000 Hz
15 kHz


What type of tones are used to control repeaters linked by the Internet Relay Linking Project (IRLP) protocol?



What, in general terms, is standing wave ratio (SWR)?

A measure of how well a load is matched to a transmission line
The ratio of high to low impedance in a feed line
The transmitter efficiency ratio
An indication of the quality of your station's ground connection


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


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 is used to convert a radio signal from one frequency to another?

Phase splitter


Which instrument would you use to measure electric potential or electromotive force?

An ammeter
A voltmeter
A wavemeter
An ohmmeter


Which of the following battery types is rechargeable?

Nickel-metal hydride
Lead-acid gel-cell
All of these choices are correct


Which of the following may be included in packet transmissions?

A check sum that permits error detection
A header that contains the call sign of the station to which the information is being sent
Automatic repeat request in case of error
All of these choices are correct


When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an exclusive Amateur Extra class operator segment of the amateur bands?

At no time
When operating a special event station
As part of a multi-operator contest team
When using a club station whose trustee is an Amateur Extra class operator licensee


In general, what happens as the frequency of a signal passing through coaxial cable is increased?

The characteristic impedance decreases
The loss decreases
The characteristic impedance increases
The loss increases


What is the meaning of the term "broadcasting" in the FCC rules for the Amateur Radio Service?

Two-way transmissions by amateur stations
Transmission of music
Transmission of messages directed only to amateur operators
Transmissions intended for reception by the general public


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


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

Pentagrid converter


What is the grace period following the expiration of an amateur license within which the license may be renewed?

Two years
Three years
Five years
Ten years


When is an amateur station required to transmit its assigned call sign?

At the beginning of each contact, and every 10 minutes thereafter
At least once during each transmission
At least every 15 minutes during and at the end of a communication
At least every 10 minutes during and at the end of a communication


What is component 4 in figure T2?

Variable inductor
Double-pole switch
Circuit Diagram


Which of the following is an accepted practice for an amateur operator who has checked into a net?

Provided that the frequency is quiet, announce the station call sign and location every 5 minutes
Move 5 kHz away from the net's frequency and use high power to ask other hams to keep clear of the net frequency
Remain on frequency without transmitting until asked to do so by the net control station
All of these choices are correct


What is a disadvantage of using a handheld VHF transceiver, with its integral antenna, inside a vehicle?

Signals might not propagate well due to the shielding effect of the vehicle
It might cause the transceiver to overheat
The SWR might decrease, decreasing the signal strength
All of these choices are correct