Online courses for the ham radio license exams.

Technician Class Exam Question Pool

effective 7/01/2014 thru 6/30/2018

    Unseen questions
    Weak questions
    Review questions
    Learned questions
    Incorrect answer choices  

T4B-2014: Operating controls: tuning; use of filters; squelch function; AGC; repeater offset; memory channels

T4B01-2014: What may happen if a transmitter is operated with the microphone gain set too high?

The output signal might become distorted

The output power might be too high

The frequency might vary

The SWR might increase

T4B02-2014: Which of the following can be used to enter the operating frequency on a modern transceiver?

The keypad or VFO knob

The CTCSS or DTMF encoder

The Automatic Frequency Control

All of these choices are correct

T4B03-2014: What is the purpose of the squelch control on a transceiver?

To mute receiver output noise when no signal is being received

To set the highest level of volume desired

To set the transmitter power level

To adjust the automatic gain control

T4B04-2014: What is a way to enable quick access to a favorite frequency on your transceiver?

Store the frequency in a memory channel

Enable the CTCSS tones

Disable the CTCSS tones

Use the scan mode to select the desired frequency

T4B05-2014: Which of the following would reduce ignition interference to a receiver?

Turn on the noise blanker

Change frequency slightly

Decrease the squelch setting

Use the RIT control

T4B06-2014: Which of the following controls could be used if the voice pitch of a single-sideband signal seems too high or low?

The receiver RIT or clarifier

The AGC or limiter

The bandwidth selection

The tone squelch

T4B07-2014: What does the term “RIT” mean?

Receiver Incremental Tuning

Receiver Input Tone

Rectifier Inverter Test

Remote Input Transmitter

T4B08-2014: What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Permits noise or interference reduction by selecting a bandwidth matching the mode

Permits monitoring several modes at once

Increases the number of frequencies that can be stored in memory

Increases the amount of offset between receive and transmit frequencies

T4B09-2014: Which of the following is an appropriate receive filter bandwidth to select in order to minimize noise and interference for SSB reception?

2400 Hz

500 Hz

1000 Hz

5000 Hz

T4B10-2014: Which of the following is an appropriate receive filter bandwidth to select in order to minimize noise and interference for CW reception?

500 Hz

1000 Hz

2400 Hz

5000 Hz

T4B11-2014: Which of the following describes the common meaning of the term "repeater offset"?

The difference between the repeater’s transmit and receive frequencies

The distance between the repeater’s transmit and receive antennas

The time delay before the repeater timer resets

Matching the antenna impedance to the feed line impedance

T4B12-2014: What is the function of automatic gain control or AGC?

To keep received audio relatively constant

To protect an antenna from lightning

To eliminate RF on the station cabling

An asymmetric goniometer control used for antenna matching

Color key:
● = Unseen
● = Weak
● = Review
● = Learned
● = Incorrect answer
Previous group:
T4A-2014: Station setup: connecting microphones; reducing unwanted emissions; power source; connecting a computer; RF grounding; connecting digital equipment; connecting an SWR meter
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Technician Class Exam Question Pool
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T5A-2014: Electrical principles, units, and terms: current and voltage; conductors and insulators; alternating and direct current
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