Ham Technician License Practice Quiz

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

T0A08: What is one way to recharge a 12-volt lead-acid station battery if the commercial power is out?

Cool the battery in ice for several hours
Add acid to the battery
Connect the battery to a car's battery and run the engine
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
So that if the antenna falls unexpectedly, no part of it can come closer than 10 feet to the power wires

T0C09: 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

T1A02: What agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Homeland Security

T1B11: What emission modes are permitted in the mode-restricted sub-bands at 50.0 to 50.1 MHz and 144.0 to 144.1 MHz?

CW only
SSB only
CW and SSB

T1C10: How soon may you operate a transmitter on an amateur service frequency after you pass the examination required for your first amateur radio license?

30 days after the test date
As soon as your name and call sign appear in the FCC's ULS database
You must wait until you receive your license in the mail from the FCC

T1D04: What is the only time an amateur station is authorized to transmit music?

When incidental to an authorized retransmission of manned spacecraft communications
When the music produces no spurious emissions
When the purpose is to interfere with an illegal transmission
When the music is transmitted above 1280 MHz

T1E07: When the control operator is not the station licensee, who is responsible for the proper operation of the station?

All licensed amateurs who are present at the operation
Only the station licensee
Only the control operator
The control operator and the station licensee are equally responsible

T1F10: Who is accountable should a repeater inadvertently retransmit communications that violate the FCC rules?

The control operator of the originating station
The control operator of the repeater
The owner of the repeater
Both the originating station and the repeater owner

T2A10: What is a band plan, beyond the privileges established by the FCC?

A voluntary guideline for using different modes or activities within an amateur band
A mandated list of operating schedules
A list of scheduled net frequencies
A plan devised by a club to use a frequency band during a contest

T2B07: What should you do if you receive a report that your station's transmissions are causing splatter or interference on nearby frequencies?

Increase transmit power
Change mode of transmission
Report the interference to the equipment manufacturer
Check your transmitter for off-frequency operation or spurious emissions

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

T3A10: What may occur if VHF or UHF data signals propagate over 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 transmitting using FM
Error rates are likely to increase

T3B03: What are the two components of a radio wave?

AC and DC
Voltage and current
Electric and magnetic fields
Ionizing and non-ionizing radiation

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
They collide with trees and shrubbery and fade out

T4A10: What is the source of a high-pitched whine that varies with engine speed in a mobile transceiver's receive audio?

The ignition system
The alternator
The electric fuel pump
Anti-lock braking system controllers

T4B06: Which of the following controls could be used if the voice pitch of a single-sideband signal seems too high or low?

The AGC or limiter
The bandwidth selection
The tone squelch
The receiver RIT or clarifier

T5A05: What is the electrical term for the electromotive force (EMF) that causes electron flow?


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

T5C08: What is the formula used to calculate electrical power in a DC circuit?

Power (P) equals voltage (E) multiplied by current (I)
Power (P) equals voltage (E) divided by current (I)
Power (P) equals voltage (E) minus current (I)
Power (P) equals voltage (E) plus current (I)

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

24,000 amperes
0.1 amperes
10 amperes
216 amperes

T6A10: What is the nominal voltage of a fully charged nickel-cadmium cell?

1.0 volts
1.2 volts
1.5 volts
2.2 volts

T6B10: Which semiconductor component has an emitter electrode?

Bipolar transistor
Field effect transistor
Silicon diode
Bridge rectifier

T6C02: What is component 1 in figure T1?


T6D03: What type of switch is represented by item 3 in figure T2?

Single-pole single-throw
Single-pole double-throw
Double-pole single-throw
Double-pole double-throw

T7A12: Which term describes the ability of a receiver to discriminate between multiple signals?

Tuning rate
Noise floor

T7B07: Which of the following may be useful in correcting a radio frequency interference problem?

Snap-on ferrite chokes
Low-pass and high-pass filters
Band-reject and band-pass filters
All of these choices are correct

T7C07: What happens to power lost in a feedline?

It increases the SWR
It comes back into your transmitter and could cause damage
It is converted into heat
It can cause distortion of your signal

T7D06: Which of the following might damage a multimeter?

Measuring a voltage too small for the chosen scale
Leaving the meter in the milliamps position overnight
Attempting to measure voltage when using the resistance setting
Not allowing it to warm up properly

T8A02: What type of modulation is most commonly used for VHF packet radio transmissions?

Spread Spectrum

T8B09: What causes "spin fading" when referring to 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

T8C11: What name is given to an amateur radio station that is used to connect other amateur stations to the Internet?

A gateway
A repeater
A digipeater
A beacon

T8D02: What does the term APRS mean?

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

T9A07: What is a good reason not to use a "rubber duck" antenna inside your car?

Signals can be significantly weaker than when it is outside of the vehicle
It might cause your radio to overheat
The SWR might decrease, decreasing the signal strength
All of these choices are correct

T9B08: Why should coax connectors exposed to the weather be sealed against water intrusion?

To prevent an increase in feedline loss
To prevent interference to telephones
To keep the jacket from becoming loose
All of these choices are correct