Ham Technician License Practice Quiz


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

T0A05: Why is it unwise to install a 20-ampere fuse in the place of a 5-ampere fuse?

The larger fuse would be likely to blow because it is rated for higher current
The power supply ripple would greatly increase
Excessive current could cause a fire
All of these choices are correct

T0B01: When should members of a tower work team wear a hard hat and safety glasses?

At all times except when climbing the tower
At all times except when belted firmly to the tower
At all times when any work is being done on the tower
Only when the tower exceeds 30 feet in height

T0C07: What could happen if a person accidentally touched your antenna while you were transmitting?

Touching the antenna could cause television interference
They might receive a painful RF burn
They might develop radiation poisoning
All of these choices are correct

T1A01: For whom is the Amateur Radio Service intended?

Persons who have messages to broadcast to the public
Persons who need communications for the activities of their immediate family members, relatives and friends
Persons who need two-way communications for personal reasons
Persons who are interested in radio technique solely with a personal aim and without pecuniary interest

T1B04: Which amateur band are you using when your station is transmitting on 146.52 MHz?

2 meter band
20 meter band
14 meter band
6 meter band

T1C09: 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

T1D01: With which countries are FCC-licensed amateur stations prohibited from exchanging communications?

Any country whose administration has notified the ITU that it objects to such communications
Any country whose administration has notified the United Nations 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

T1E01: When must an amateur station have a control operator?

Only when the station is transmitting
Only when the station is being locally controlled
Only when the station is being remotely controlled
Only when the station is being automatically controlled

T1F09: What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Beacon station
Earth station
Repeater station
Message forwarding station

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

T2B08: What is the proper course of action if your station's transmission unintentionally interferes with another station?

Rotate your antenna slightly
Properly identify your transmission and move to a different frequency
Increase power
Change antenna polarization

T2C08: What is usually considered to be the most important job of an amateur operator when handling emergency traffic messages?

Passing messages exactly as written, spoken or as received
Estimating the number of people affected by the disaster
Communicating messages to the news media for broadcast outside the disaster area
Broadcasting emergency information to the general public

T3A02: Why are UHF signals often more effective from inside buildings than VHF signals?

VHF signals lose power faster over distance
The shorter wavelength allows them to more easily penetrate the structure of buildings
This is incorrect; VHF works better than UHF inside buildings
UHF antennas are more efficient than VHF antennas

T3B01: What is the name for the distance a radio wave travels during one complete cycle?

Wave speed
Waveform
Wavelength
Wave spread

T3C06: What mode is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Tropospheric scatter
D layer refraction
F2 layer refraction
Faraday rotation

T4A08: Which type of conductor is best to use for RF grounding?

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

T4B11: Which of the following describes the common meaning of the term 'repeater offset'?

The distance between the repeater's transmit and receive antennas
The time delay before the repeater timer resets
The difference between the repeater's transmit and receive frequencies
The maximum frequency deviation permitted on the repeater's input signal

T5A03: What is the name for the flow of electrons in an electric circuit?

Voltage
Resistance
Capacitance
Current

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

T5C09: How much power is being used in a circuit when the applied voltage is 13.8 volts DC and the current is 10 amperes?

138 watts
0.7 watts
23.8 watts
3.8 watts

T5D06: What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

3 ohms
16 ohms
48 ohms
8 Ohms

T6A11: Which battery type is not rechargeable?

Nickel-cadmium
Carbon-zinc
Lead-acid
Lithium-ion

T6B09: What are the names of the two electrodes of a diode?

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

T6C01: What is the name for standardized representations of components in an electrical wiring diagram?

Electrical depictions
Grey sketch
Schematic symbols
Component callouts

T6D06: What component is commonly used to change 120V AC house current to a lower AC voltage for other uses?

Variable capacitor
Transformer
Transistor
Diode

T7A02: What type of receiver is shown in Figure T6?

Direct conversion
Super-regenerative
Single-conversion superheterodyne
Dual-conversion superheterodyne

T7B08: What should you do if a "Part 15" device in your neighbor's home is causing harmful interference to your amateur station?

Work with your neighbor to identify the offending device
Politely inform your neighbor about the rules that require him to stop using the device if it causes interference
Check your station and make sure it meets the standards of good amateur practice
All of these choices are correct

T7C05: What is the approximate SWR value above which the protection circuits in most solid-state transmitters begin to reduce transmitter power?

2 to 1
1 to 2
6 to 1
10 to 1

T7D04: Which instrument is used to measure electric current?

An ohmmeter
A wavemeter
A voltmeter
An ammeter

T8A03: Which type of voice modulation is most often used for long-distance or weak signal contacts on the VHF and UHF bands?

FM
AM
SSB
PM

T8B03: Which of the following can be done using an amateur radio satellite?

Talk to amateur radio operators in other countries
Get global positioning information
Make telephone calls
All of these choices are correct

T8C07: What is the maximum power allowed when transmitting telecommand signals to radio controlled models?

500 milliwatts
1 watt
25 watts
1500 watts

T8D08: Which of the following may be included in packet transmissions?

A check sum which permits error detection
A header which 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

T9A11: What is meant by the gain of an antenna?

The additional power that is added to the transmitter power
The additional power that is lost in the antenna when transmitting on a higher frequency
The increase in signal strength in a specified direction when compared to a reference antenna
The increase in impedance on receive or transmit compared to a reference antenna

T9B03: Why is coaxial cable used more often than any other feedline for amateur radio antenna systems?

It is easy to use and requires few special installation considerations
It has less loss than any other type of feedline
It can handle more power than any other type of feedline
It is less expensive than any other types of feedline