Ham Technician License Practice Quiz


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

T0A07: Which of these precautions should be taken when installing devices for lightning protection in a coaxial cable feedline?

Include a parallel bypass switch for each protector so that it can be switched out of the circuit when running high power
Include a series switch in the ground line of each protector to prevent RF overload from inadvertently damaging the protector
Keep the ground wires from each protector separate and connected to station ground
Ground all of the protectors to a common plate which is in turn connected to an external ground

T0B03: Under what circumstances is it safe to climb a tower without a helper or observer?

When no electrical work is being performed
When no mechanical work is being performed
When the work being done is not more than 20 feet above the ground
Never

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

T1A08: Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Frequency Spectrum Manager
Frequency Coordinator
FCC Regional Field Office
International Telecommunications Union

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

T1C04: When are you allowed to operate your amateur station in a foreign country?

When the foreign country authorizes it
When there is a mutual agreement allowing third party communications
When authorization permits amateur communications in a foreign language
When you are communicating with non-licensed individuals in another country

T1D09: Under which of the following circumstances are amateur stations authorized to transmit signals related to broadcasting, program production, or news gathering, assuming no other means is available?

Only where such communications directly relate to the immediate safety of human life or protection of property
Only when broadcasting communications to or from the space shuttle.
Only where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
Only when using amateur repeaters linked to the Internet

T1E11: Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

The station custodian
The third party participant
The person operating the station equipment
The station licensee

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

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

T2B07: What should you do if you receive a report that your station's transmissions are causing splatter or interference on nearby frequencies?

Increase transmit power
Change mode of transmission
Report the interference to the equipment manufacturer
Check your transmitter for off-frequency operation or spurious emissions

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

T3A09: Which of the following is a common effect of "skip" reflections between the Earth and the ionosphere?

The sidebands become reversed at each reflection
The polarization of the original signal is randomized
The apparent frequency of the received signal is shifted by a random amount
Signals at frequencies above 30 MHz become stronger with each reflection

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

T4A11: Where should a mobile transceiver's power negative connection be made?

At the battery or engine block ground strap
At the antenna mount
To any metal part of the vehicle
Through the transceiver's mounting bracket

T4B07: What does the term "RIT" mean?

Receiver Input Tone
Receiver Incremental Tuning
Rectifier Inverter Test
Remote Input Transmitter

T5A08: Which of the following is a good electrical insulator?

Copper
Glass
Aluminum
Mercury

T5B04: How many volts are equal to one microvolt?

One one-millionth of a volt
One million volts
One thousand kilovolts
One one-thousandth of a volt

T5C02: What is the basic unit of capacitance?

The farad
The ohm
The volt
The henry

T5D01: What formula is used to calculate current in a circuit?

Current (I) equals voltage (E) multiplied by resistance (R)
Current (I) equals voltage (E) divided by resistance (R)
Current (I) equals voltage (E) added to resistance (R)
Current (I) equals voltage (E) minus resistance (R)

T6A11: Which battery type is not rechargeable?

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

T6B10: Which semiconductor component has an emitter electrode?

Bipolar transistor
Field effect transistor
Silicon diode
Bridge rectifier

T6C11: What is component 4 in figure T3?

Antenna
Transmitter
Dummy load
Ground

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

T7A12: Which term describes the ability of a receiver to discriminate between multiple signals?

Tuning rate
Sensitivity
Selectivity
Noise floor

T7B03: Which of the following may be a cause of radio frequency interference?

Fundamental overload
Harmonics
Spurious emissions
All of these choices are correct

T7C01: What is the primary purpose of a dummy load?

To prevent the radiation of signals when making tests
To prevent over-modulation of your transmitter
To improve the radiation from your antenna
To improve the signal to noise ratio of your receiver

T7D02: What is the correct way to connect a voltmeter to a circuit?

In series with the circuit
In parallel with the circuit
In quadrature with the circuit
In phase with the circuit

T8A01: Which of the following is a form of amplitude modulation?

Spread-spectrum
Packet radio
Single sideband
Phase shift keying

T8B06: What can be used to determine the time period during which an amateur satellite or space station can be accessed?

A GPS receiver
A field strength meter
A telescope
A satellite tracking program

T8C05: What is a grid locator?

A letter-number designator assigned to a geographic location
A letter-number designator assigned to an azimuth and elevation
An instrument for neutralizing a final amplifier
An instrument for radio direction finding

T8D11: What is a "parity" bit?

A control code required for automatic position reporting
A timing bit used to ensure equal sharing of a frequency
An extra code element used to detect errors in received data
A "triple width" bit used to signal the end of a character

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

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