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  

T7B-2014: Common transmitter and receiver problems: symptoms of overload and overdrive; distortion; causes of interference; interference and consumer electronics; part 15 devices; over and under modulation; RF feedback; off frequency signals; fading and noise; problems with digital communications interfaces

T7B01-2014: What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Talk farther away from the microphone

Talk louder into the microphone

Let the transceiver cool off

Change to a higher power level

T7B02-2014: What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

The receiver is unable to reject strong signals outside the AM or FM band

The microphone gain of the transmitter is turned up too high

The audio amplifier of the transmitter is overloaded

The deviation of an FM transmitter is set too low

T7B03-2014: Which of the following may be a cause of radio frequency interference?

All of these choices are correct

Fundamental overload


Spurious emissions

T7B04-2014: Which of the following is a way to reduce or eliminate interference by an amateur transmitter to a nearby telephone?

Put a RF filter on the telephone

Put a filter on the amateur transmitter

Reduce the microphone gain

Reduce the SWR on the transmitter transmission line

T7B05-2014: How can overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Block the amateur signal with a filter at the antenna input of the affected receiver

Block the interfering signal with a filter on the amateur transmitter

Switch the transmitter from FM to SSB

Switch the transmitter to a narrow-band mode

T7B06-2014: Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel

Immediately turn off your transmitter and contact the nearest FCC office for assistance

Tell them that your license gives you the right to transmit and nothing can be done to reduce the interference

Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

T7B07-2014: Which of the following may be useful in correcting a radio frequency interference problem?

All of these choices are correct

Snap-on ferrite chokes

Low-pass and high-pass filters

Band-reject and band-pass filters

T7B08-2014: What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

All of these choices are correct

Work with your neighbor to identify the offending device

Politely inform your neighbor about the rules that prohibit the use of devices which cause interference

Check your station and make sure it meets the standards of good amateur practice

T7B09-2014: What is a Part 15 device?

An unlicensed device that may emit low powered radio signals on frequencies used by a licensed service

A type of amateur radio that can legally be used in the citizen’s band

A device for long distance communications using special codes sanctioned by the International Amateur Radio Union

A type of test set used to determine whether a transmitter is in compliance with FCC regulation 91.15

T7B10-2014: What might be the problem if you receive a report that your audio signal through the repeater is distorted or unintelligible?

All of these choices are correct

Your transmitter may be slightly off frequency

Your batteries may be running low

You could be in a bad location

T7B11-2014: What is a symptom of RF feedback in a transmitter or transceiver?

Reports of garbled, distorted, or unintelligible transmissions

Excessive SWR at the antenna connection

The transmitter will not stay on the desired frequency

Frequent blowing of power supply fuses

T7B12-2014: What might be the first step to resolve cable TV interference from your ham radio transmission?

Be sure all TV coaxial connectors are installed properly

Add a low pass filter to the TV antenna input

Add a high pass filter to the TV antenna input

Add a preamplifier to the TV antenna input

Color key:
● = Unseen
● = Weak
● = Review
● = Learned
● = Incorrect answer
Previous group:
T7A-2014: Station equipment: receivers; transmitters; transceivers; modulation; transverters; low power and weak signal operation; transmit and receive amplifiers
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Technician Class Exam Question Pool
Next group:
T7C-2014: Antenna measurements and troubleshooting: measuring SWR; dummy loads; coaxial cables; feed line failure modes
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