Current Ham Radio Test Pools
Select the most correct answer for each question, then submit your practice test to check your score. This practice test randomly pulls one question from each topic in the General pool.
Why is long-distance communication on the 40-meter, 60-meter, 80-meter, and 160-meter bands more difficult during the day?
What is the primary use of a Beverage antenna?
What is the approximate maximum distance along the Earth's surface that is normally covered in one hop using the F2 region?
How does a capacitor react to AC?
What does the Q signal "QSL" mean?
What condition can lead to permanent damage to a solid-state RF power amplifier?
What is the solar flux index?
Which of the following would disqualify a third party from participating in stating a message over an amateur station?
Which communication system sometimes uses the internet to transfer messages?
What is the minimum allowable discharge voltage for maximum life of a standard 12 volt lead-acid battery?
What is the purpose of a corona ball on an HF mobile antenna?
Which of the following amateur bands is restricted to communication only on specific channels, rather than frequency ranges?
What term specifies a filter's maximum ability to reject signals outside its passband?
What is the modulation envelope of an AM signal?
What is the approximate length for a 1/2 wave dipole antenna cut for 3.550 MHz?
What dB change represents a factor of two increase or decrease in power?
Which of the following modes is most commonly used for voice communications on the 160-meter, 75-meter, and 40-meter bands?
For which of the following modes is a Class C power stage appropriate for amplifying a modulated signal?
What problem can occur when making measurements on an antenna system with an antenna analyzer?
How long is a Certificate of Successful Completion of Examination (CSCE) valid for exam element credit?
Which size of fuse or circuit breaker would be appropriate to use with a circuit that uses AWG number 14 wiring?
What is another term for the mixing of two RF signals?
How does a signal that reads 20 dB over S9 compare to one that reads S9 on a receiver, assuming a properly calibrated S meter?
What is the typical characteristic impedance of "window line" parallel transmission line?
What is the equivalent capacitance of two 5.0 nanofarad capacitors and one 750 picofarad capacitor connected in parallel?
What are the restrictions on the use of abbreviations or procedural signals in the Amateur Service?
Which of the following is an advantage of a switchmode power supply as compared to a linear power supply?
Which of the following is required when participating in a contest on HF frequencies?
What is the maximum symbol rate permitted for RTTY or data emission transmitted on the 1.25-meter and 70-centimeter bands?
How does forward error correction (FEC) allow the receiver to correct errors in received data packets?
How does increasing boom length and adding directors affect a Yagi antenna?
Which of the following is a characteristic of a liquid crystal display?
What could be a symptom of a ground loop somewhere in your station?
What is the voluntary band plan restriction for U.S. stations transmitting within the 48 contiguous states in the 50.1 to 50.125 MHz band segment?
What must you do if an evaluation of your station shows RF energy radiated from your station exceeds permissible limits?