Ham Technician License Practice Quiz
• Percentage: 0%; Correct: 0; Total: 0 of 35
T0A01: Which is a commonly accepted value for the lowest voltage that can cause a dangerous electric shock?
12 volts
30 volts
120 volts
300 volts
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
T0C01: What type of radiation are VHF and UHF radio signals?
Gamma radiation
Ionizing radiation
Alpha radiation
Non-ionizing radiation
T1A02: What agency regulates and enforces the rules for the Amateur Radio Service in the United States?
FEMA
The ITU
The FCC
Homeland Security
T1B10: Which of the bands available to Technician Class operators have mode-restricted sub-bands?
The 6 meter, 2 meter, and 70 cm bands
The 2 meter and 13 cm bands
The 6 meter, 2 meter, and 1.25 meter bands
The 2 meter and 70 cm bands
T1C01: Which type of call sign has a single letter in both the prefix and suffix?
Vanity
Sequential
Special event
In-memoriam
T1D06: Which of the following types of transmissions are prohibited?
Transmissions that contain obscene or indecent words or language
Transmissions to establish one-way communications
Transmissions to establish model aircraft control
Transmissions for third party communications
T1E07: When the control operator is not the station licensee, who is responsible for the proper operation of the station?
All licensed amateurs who are present at the operation
Only the station licensee
Only the control operator
The control operator and the station licensee are equally responsible
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
T2A09: What brief statement is often used in place of "CQ" to indicate that you are listening on a repeater?
Say "Hello test" followed by your call sign
Say your call sign
Say the repeater call sign followed by your call sign
Say the letters "QSY" followed by your call sign
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
T3A03: What antenna polarization is normally used for long-distance weak-signal CW and SSB contacts using the VHF and UHF bands?
Right-hand circular
Left-hand circular
Horizontal
Vertical
T3B01: What is the name for the distance a radio wave travels during one complete cycle?
Wave speed
Waveform
Wavelength
Wave spread
T3C11: Why do VHF and UHF radio signals usually travel somewhat farther than the visual line of sight distance between two stations?
Radio signals move somewhat faster than the speed of light
Radio waves are not blocked by dust particles
The Earth seems less curved to radio waves than to light
Radio waves are blocked by dust particles
T4A09: Which would you use to reduce RF current flowing on the shield of an audio cable?
Band-pass filter
Low-pass filter
Preamplifier
Ferrite choke
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
T5A04: What is the name for a current that flows only in one direction?
Alternating current
Direct current
Normal current
Smooth current
T5B11: What is the approximate amount of change, measured in decibels (dB), of a power increase from 20 watts to 200 watts?
10 dB
12 dB
18 dB
28 dB
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
T5D05: What is the resistance in a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?
18 ohms
0.125 ohms
8 ohms
13.5 ohms
T6A02: What type of component is often used as an adjustable volume control?
Fixed resistor
Power resistor
Potentiometer
Transformer
T6B09: What are the names of the two electrodes of a diode?
Plus and minus
Source and drain
Anode and cathode
Gate and base
T6C12: What do the symbols on an electrical circuit schematic diagram represent?
Electrical components
Logic states
Digital codes
Traffic nodes
T6D05: What type of circuit controls the amount of voltage from a power supply?
Regulator
Oscillator
Filter
Phase inverter
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
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
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
T7D04: Which instrument is used to measure electric current?
An ohmmeter
A wavemeter
A voltmeter
An ammeter
T8A08: What is the approximate bandwidth of a single sideband voice signal?
1 kHz
3 kHz
6 kHz
15 kHz
T8B02: How much transmitter power should be used on the uplink frequency of an amateur satellite or space station?
The maximum power of your transmitter
The minimum amount of power needed to complete the contact
No more than half the rating of your linear amplifier
Never more than 1 watt
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
T9A01: What is a beam antenna?
An antenna built from aluminum I-beams
An omnidirectional antenna invented by Clarence Beam
An antenna that concentrates signals in one direction
An antenna that reverses the phase of received signals
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
