Ham Technician License Practice Quiz

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

T0A04: 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

T0B07: Which of the following is an important safety rule to remember when using a crank-up tower?

This type of tower must never be painted
This type of tower must never be grounded
This type of tower must never be climbed unless it is in the fully retracted position
All of these choices are correct

T0C02: Which of the following frequencies has the lowest Maximum Permissible Exposure limit?

3.5 MHz
50 MHz
440 MHz
1296 MHz

T1A04: Which of the following meets the FCC definition of harmful interference?

Radio transmissions that annoy users of a repeater
Unwanted radio transmissions that cause costly harm to radio station apparatus
That which seriously degrades, obstructs, or repeatedly interrupts a radio communication service operating in accordance with the Radio Regulations
Static from lightning storms

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

2315 MHz
1296 MHz
3390 MHz
146.52 MHz

T1C05: What must you do if you are operating on the 23 cm band and learn that you are interfering with a radiolocation station outside the United States?

Stop operating or take steps to eliminate the harmful interference
Nothing, because this band is allocated exclusively to the amateur service
Establish contact with the radiolocation station and ask them to change frequency
Change to CW mode, because this would not likely cause interference

T1D08: When may the control operator of an amateur station receive compensation for operating the station?

When engaging in communications on behalf of their employer
When the communication is incidental to classroom instruction at an educational institution
When re-broadcasting weather alerts during a RACES net
When notifying other amateur operators of the availability for sale or trade of apparatus

T1E03: Who must designate the station control operator?

The station licensee
The frequency coordinator

T1F05: What method of call sign identification is required for a station transmitting phone signals?

Send the call sign followed by the indicator RPT
Send the call sign using CW or phone emission
Send the call sign followed by the indicator R
Send the call sign using only phone emission

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

T2B09: Which of the following methods is encouraged by the FCC when identifying your station when using phone?

Use of a phonetic alphabet
Send your call sign in CW as well as voice
Repeat your call sign three times
Increase your signal to full power when identifying

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

T3C04: Which of the following propagation types is most commonly associated with occasional strong over-the-horizon signals on the 10, 6, and 2 meter bands?

Sporadic E
D layer absorption
Gray-line propagation

T4A04: Where must a filter be installed to reduce harmonic emissions?

Between the transmitter and the antenna
Between the receiver and the transmitter
At the station power supply
At the microphone

T4B04: What is a way to enable quick access to a favorite frequency on your transceiver?

Enable the CTCSS tones
Store the frequency in a memory channel
Disable the CTCSS tones
Use the scan mode to select the desired frequency

T5A06: How much voltage does a mobile transceiver usually require?

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

T5B07: If a frequency readout calibrated in megahertz shows a reading of 3.525 MHz, what would it show if it were calibrated in kilohertz?

0.003525 kHz
35.25 kHz
3525 kHz
3,525,000 kHz

T5C11: 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

T5D11: 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

T6A01: What electrical component is used to oppose the flow of current in a DC circuit?


T6B02: What electronic component allows current to flow in only one direction?

Driven Element

T6C10: What is component 3 in figure T3?

Variable capacitor
Variable inductor

T6D09: What is the name of a device that combines several semiconductors and other components into one package?

Multi-pole relay
Integrated circuit

T7A10: What device increases the low-power output from a handheld transceiver?

A voltage divider
An RF power amplifier
An impedance network
A voltage regulator

T7B12: What does the acronym "BER" mean when applied to digital communications systems?

Baud Enhancement Recovery
Baud Error Removal
Bit Error Rate
Bit Exponent Resource

T7C02: Which of the following instruments can be used to determine if an antenna is resonant at the desired operating frequency?

An antenna analyzer
A "Q" meter
A frequency counter

T7D09: What is the characteristic appearance of a "cold" solder joint?

Dark black spots
A bright or shiny surface
A grainy or dull surface
A greenish tint

T8A07: What is the primary advantage of single sideband over FM for voice transmissions?

SSB signals are easier to tune
SSB signals are less susceptible to interference
SSB signals have narrower bandwidth
All of these choices are correct

T8B04: Which amateur stations may make contact with an amateur station on the International Space Station using 2 meter and 70 cm band amateur radio frequencies?

Only members of amateur radio clubs at NASA facilities
Any amateur holding a Technician or higher class license
Only the astronaut's family members who are hams
You cannot talk to the ISS on amateur radio frequencies

T8C03: What popular operating activity involves contacting as many stations as possible during a specified period of time?

Net operations
Public service events
Simulated emergency exercises

T8D09: What code is used when sending CW in the amateur bands?

International Morse

T9A05: 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 capacity hats to the ends of the radiating wires

T9B06: Which of the following connectors is most suitable for frequencies above 400 MHz?

A UHF (PL-259/SO-239) connector
A Type N connector
An RS-213 connector
A DB-23 connector