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
T0B05: What is the purpose of a gin pole?
To temporarily replace guy wires
To be used in place of a safety harness
To lift tower sections or antennas
To provide a temporary ground
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
T1A05: What is the FCC Part 97 definition of a space station?
Any multi-stage satellite
An Earth satellite that carries one of more amateur operators
An amateur station located less than 25 km above the Earth's surface
An amateur station located more than 50 km above the Earth's surface
T1B07: What amateur band are you using if you are transmitting on 223.50 MHz?
15 meter band
10 meter band
2 meter band
1.25 meter band
T1C02: Which of the following is a valid US amateur radio station call sign?
KMA3505
W3ABC
KDKA
11Q1176
T1D02: On which of the following occasions may an FCC-licensed amateur station exchange messages with a U.S. military station?
During an Armed Forces Day Communications Test
During a Memorial Day Celebration
During an Independence Day celebration
During a propagation test
T1E04: What determines the transmitting privileges of an amateur station?
The frequency authorized by the frequency coordinator
The class of operator license held by the station licensee
The highest class of operator license held by anyone on the premises
The class of operator license held by the control operator
T1F01: What type of identification is being used when identifying a station on the air as 'Race Headquarters'?
Tactical call
Self-assigned designator
SSID
Broadcast station
T2A03: What is a common repeater frequency offset in the 70 cm band?
Plus or minus 5 MHz
Plus or minus 600 kHz
Minus 600 kHz
Plus 600 kHz
T2B02: What is the term used to describe the use of a sub-audible tone transmitted with normal voice audio to open the squelch of a receiver?
Carrier squelch
Tone burst
DTMF
CTCSS
T2C10: What is the preamble in a formal traffic message?
The first paragraph of the message text
The message number
The priority handling indicator for the message
The information needed to track the message as it passes through the amateur radio traffic handling system
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
T3B06: What is the formula for converting frequency to wavelength in meters?
Wavelength in meters equals frequency in hertz multiplied by 300
Wavelength in meters equals frequency in hertz divided by 300
Wavelength in meters equals frequency in megahertz divided by 300
Wavelength in meters equals 300 divided by frequency in megahertz
T3C05: What is meant by the term "knife-edge" propagation?
Signals are reflected back toward the originating station at acute angles
Signals are sliced into several discrete beams and arrive via different paths
Signals are partially refracted around solid objects exhibiting sharp edges
Signals propagated close to the band edge exhibiting a sharp cutoff
T4A06: Which of the following would be connected between a transceiver and computer in a packet radio station?
Transmatch
Mixer
Terminal node controller
Antenna
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
T5A11: What is the basic unit of electromotive force?
The volt
The watt
The ampere
The ohm
T5B09: What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts?
2 dB
3 dB
5 dB
10 dB
T5C04: What is the basic unit of inductance?
The coulomb
The farad
The henry
The ohm
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
T6A03: What electrical parameter is controlled by a potentiometer?
Inductance
Resistance
Capacitance
Field strength
T6B02: What electronic component allows current to flow in only one direction?
Resistor
Fuse
Diode
Driven Element
T6C08: What is component 9 in figure T2?
Variable capacitor
Variable inductor
Variable resistor
Variable transformer
T6D09: What is the name of a device that combines several semiconductors and other components into one package?
Transducer
Multi-pole relay
Integrated circuit
Transformer
T7A03: What is the function of a mixer in a superheterodyne receiver?
To reject signals outside of the desired passband
To combine signals from several stations together
To shift the incoming signal to an intermediate frequency
To connect the receiver with an auxiliary device, such as a TNC
T7B09: What could be happening if another operator reports a variable high-pitched whine on the audio from your mobile transmitter?
Your microphone is picking up noise from an open window
You have the volume on your receiver set too high
You need to adjust your squelch control
Noise on the vehicle's electrical system is being transmitted along with your speech audio
T7C10: Why should the outer jacket of coaxial cable be resistant to ultraviolet light?
Ultraviolet resistant jackets prevent harmonic radiation
Ultraviolet light can increase losses in the cable's jacket
Ultraviolet and RF signals can mix together, causing interference
Ultraviolet light can damage the jacket and allow water to enter the cable
T7D04: Which instrument is used to measure electric current?
An ohmmeter
A wavemeter
A voltmeter
An ammeter
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
T8B08: What is meant by the statement that a satellite is operating in "mode U/V"?
The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
The satellite uplink is in the 70 cm band and the downlink is in the 2 meter band
The satellite operates using ultraviolet frequencies
The satellite frequencies are usually variable
T8C03: What popular operating activity involves contacting as many stations as possible during a specified period of time?
Contesting
Net operations
Public service events
Simulated emergency exercises
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
