Ham Technician License Practice Quiz
• Percentage: 0%; Correct: 0; Total: 0 of 35
T0A12: What kind of hazard might exist in a power supply when it is turned off and disconnected?
Static electricity could damage the grounding system
Circulating currents inside the transformer might cause damage
The fuse might blow if you remove the cover
You might receive an electric shock from stored charge in large capacitors
T0B08: What is considered to be a proper grounding method for a tower?
A single four-foot ground rod, driven into the ground no more than 12 inches from the base
A ferrite-core RF choke connected between the tower and ground
Separate eight-foot long ground rods for each tower leg, bonded to the tower and each other
A connection between the tower base and a cold water pipe
T0C02: Which of the following frequencies has the lowest Maximum Permissible Exposure limit?
T1A07: What is the FCC Part 97 definition of telemetry?
An information bulletin issued by the FCC
A one-way transmission to initiate, modify or terminate functions of a device at a distance
A one-way transmission of measurements at a distance from the measuring instrument
An information bulletin from a VEC
T1B08: What do the FCC rules mean when an amateur frequency band is said to be available on a secondary basis?
Secondary users of a frequency have equal rights to operate
Amateurs are only allowed to use the frequency at night
Amateurs may not cause harmful interference to primary users
Secondary users are not allowed on amateur bands
T1C02: Which of the following is a valid US amateur radio station call sign?
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
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
T1F02: When using tactical identifiers, how often must your station transmit the station's FCC-assigned call sign?
Never, the tactical call is sufficient
Once during every hour
Every ten minutes
At the end of every communication
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
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?
T2C01: What set of rules applies to proper operation of your station when using amateur radio at the request of public service officials?
T3A01: What should you do if another operator reports that your station's 2 meter signals were strong just a moment ago, but now they are weak or distorted?
Change the batteries in your radio to a different type
Turn on the CTCSS tone
Ask the other operator to adjust his squelch control
Try moving a few feet, as random reflections may be causing multi-path distortion
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
T3C09: What is generally the best time for long-distance 10 meter band propagation?
During daylight hours
During nighttime hours
When there are coronal mass ejections
Whenever the solar flux is low
T4A02: What could be used in place of a regular speaker to help you copy signals in a noisy area?
A video display
A low pass filter
A set of headphones
A boom microphone
T4B07: What does the term "RIT" mean?
Receiver Input Tone
Receiver Incremental Tuning
Rectifier Inverter Test
Remote Input Transmitter
T5A04: What is the name for a current that flows only in one direction?
T5B11: What is the approximate amount of change, measured in decibels (dB), of a power increase from 20 watts to 200 watts?
T5C01: What is the ability to store energy in an electric field called?
T5D09: What is the current flowing through a 24-ohm resistor connected across 240 volts?
T6A05: What type of electrical component consists of two or more conductive surfaces separated by an insulator?
T6B04: Which of these components is made of three layers of semiconductor material?
Bipolar junction transistor
T6C04: What is component 3 in figure T1?
T6D03: What type of switch is represented by item 3 in figure T2?
T7A07: If figure T5 represents a transceiver in which block 1 is the transmitter portion and block 3 is the receiver portion, what is the function of block 2?
A balanced modulator
A transmit-receive switch
A power amplifier
A high-pass filter
T7B10: What might be the problem if you receive a report that your audio signal through the repeater is distorted or unintelligible?
Your transmitter may be slightly off frequency
Your batteries may be running low
You could be in a bad location
All of these choices are correct
T7C03: What, in general terms, is standing wave ratio (SWR)?
A measure of how well a load is matched to a transmission line
The ratio of high to low impedance in a feedline
The transmitter efficiency ratio
An indication of the quality of your station's ground connection
T7D11: Which of the following precautions should be taken when measuring circuit resistance with an ohmmeter?
Ensure that the applied voltages are correct
Ensure that the circuit is not powered
Ensure that the circuit is grounded
Ensure that the circuit is operating at the correct frequency
T8A09: What is the approximate bandwidth of a VHF repeater FM phone signal?
Less than 500 Hz
About 150 kHz
Between 5 and 15 kHz
Between 50 and 125 kHz
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
T8C10: How do you select a specific IRLP node when using a portable transceiver?
Choose a specific CTCSS tone
Choose the correct DSC tone
Access the repeater autopatch
Use the keypad to transmit the IRLP node ID
T8D05: Which of the following emission modes may be used by a Technician Class operator between 219 and 220 MHz?
T9A04: What is a disadvantage of the "rubber duck" antenna supplied with most handheld radio transceivers?
It does not transmit or receive as effectively as a full-sized antenna
It transmits a circularly polarized signal
If the rubber end cap is lost it will unravel very quickly
All of these choices are correct
T9B05: What generally happens as the frequency of a signal passing through coaxial cable is increased?
The apparent SWR increases
The reflected power increases
The characteristic impedance increases
The loss increases