Ham Technician License Practice Quiz
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T0A02: How does current flowing through the body cause a health hazard?
By heating tissue
It disrupts the electrical functions of cells
It causes involuntary muscle contractions
All of these choices are correct
T0B02: What is a good precaution to observe before climbing an antenna tower?
Make sure that you wear a grounded wrist strap
Remove all tower grounding connections
Put on a climbing harness and safety glasses
All of the these choices are correct
T0C08: Which of the following actions might amateur operators take to prevent exposure to RF radiation in excess of FCC-supplied limits?
Relocate antennas
Relocate the transmitter
Increase the duty cycle
All of these choices are correct
T1A06: What is the FCC Part 97 definition of telecommand?
An instruction bulletin issued by the FCC
A one-way radio transmission of measurements at a distance from the measuring instrument
A one-way transmission to initiate, modify or terminate functions of a device at a distance
An instruction from a VEC
T1B09: Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?
To allow for calibration error in the transmitter frequency display
So that modulation sidebands do not extend beyond the band edge
To allow for transmitter frequency drift
All of these choices are correct
T1C11: If your license has expired and is still within the allowable grace period, may you continue to operate a transmitter on amateur service frequencies?
No, transmitting is not allowed until the ULS database shows that the license has been renewed
Yes, but only if you identify using the suffix "GP"
Yes, but only during authorized nets
Yes, for up to two years
T1D05: When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?
When the equipment is normally used in an amateur station and such activity is not conducted on a regular basis
When the asking price is $100.00 or less
When the asking price is less than its appraised value
When the equipment is not the personal property of either the station licensee or the control operator or their close relatives
T1E02: Who is eligible to be the control operator of an amateur station?
Only a person holding an amateur service license from any country that belongs to the United Nations
Only a citizen of the United States
Only a person over the age of 18
Only a person for whom an amateur operator/primary station license grant appears in the FCC database or who is authorized for alien reciprocal operation
T1F11: To which foreign stations do the FCC rules authorize the transmission of non-emergency third party communications?
Any station whose government permits such communications
Those in ITU Region 2 only
Those in ITU Regions 2 and 3 only
Those in ITU Region 3 only
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
T2B05: What determines the amount of deviation of an FM signal?
Both the frequency and amplitude of the modulating signal
The frequency of the modulating signal
The amplitude of the modulating signal
The relative phase of the modulating signal and the carrier
T2C11: What is meant by the term "check" in reference to a formal traffic message?
The check is a count of the number of words or word equivalents in the text portion of the message
The check is the value of a money order attached to the message
The check is a list of stations that have relayed the message
The check is a box on the message form that tells you the message was received
T3A04: What can happen if the antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?
The modulation sidebands might become inverted
Signals could be significantly weaker
Signals have an echo effect on voices
Nothing significant will happen
T3B09: What are the frequency limits of the UHF spectrum?
30 to 300 kHz
30 to 300 MHz
300 to 3000 kHz
300 to 3000 MHz
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
T4B08: What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?
Permits monitoring several modes at once
Permits noise or interference reduction by selecting a bandwidth matching the mode
Increases the number of frequencies that can be stored in memory
Increases the amount of offset between receive and transmit frequencies
T5A04: What is the name for a current that flows only in one direction?
Alternating current
Direct current
Normal current
Smooth current
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
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
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
T6A02: What type of component is often used as an adjustable volume control?
Fixed resistor
Power resistor
Potentiometer
Transformer
T6B04: Which of these components is made of three layers of semiconductor material?
Alternator
Bipolar junction transistor
Triode
Pentagrid converter
T6C09: What is component 4 in figure T2?
Variable inductor
Double-pole switch
Potentiometer
Transformer
T6D11: Which of the following is a common use of coaxial cable?
Carry dc power from a vehicle battery to a mobile radio
Carry RF signals between a radio and antenna
Secure masts, tubing, and other cylindrical objects on towers
Connect data signals from a TNC to a computer
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
T7B04: What is the most likely cause of interference to a non-cordless telephone from a nearby transmitter?
Harmonics from the transmitter
The telephone is inadvertently acting as a radio receiver
Poor station grounding
Improper transmitter adjustment
T7C08: What instrument other than an SWR meter could you use to determine if a feedline and antenna are properly matched?
Voltmeter
Ohmmeter
Iambic pentameter
Directional wattmeter
T7D07: Which of the following measurements are commonly made using a multimeter?
SWR and RF power
Signal strength and noise
Impedance and reactance
Voltage and resistance
T8A01: Which of the following is a form of amplitude modulation?
Spread-spectrum
Packet radio
Single sideband
Phase shift keying
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
T8C04: Which of the following is good procedure when contacting another station in a radio contest?
Be sure to sign only the last two letters of your call if there is a pileup calling the station
Work the station twice to be sure that you are in his log
Send only the minimum information needed for proper identification and the contest exchange
All of these choices are correct
T8D05: Which of the following emission modes may be used by a Technician Class operator between 219 and 220 MHz?
Spread spectrum
Data
SSB voice
Fast-scan television
T9A09: What is the approximate length, in inches, of a 6 meter 1/2-wavelength wire dipole antenna?
6
50
112
236
T9B10: What electrical difference exists between the smaller RG-58 and larger RG-8 coaxial cables?
There is no significant difference between the two types
RG-58 cable has less loss at a given frequency
RG-8 cable has less loss at a given frequency
RG-58 cable can handle higher power levels
