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.
Good Luck!
What dB change represents a factor of two increase or decrease in power?
How long is a Certificate of Successful Completion of Examination (CSCE) valid for exam element credit?
What might cause reflected power at the point where a feed line connects to an antenna?
Which of the following is a purpose of a beacon station as identified in the FCC rules?
What is good amateur practice if propagation changes during a contact and you notice interference from other stations on the frequency?
Which of the following is a common way to adjust the feed-point impedance of a quarter wave ground-plane vertical antenna to be approximately 50 ohms?
How does a "screwdriver" mobile antenna adjust its feed-point impedance?
What kind of device is an integrated circuit operational amplifier?
Which of the following describes how a speech processor affects a transmitted single sideband phone signal?
Which of the following causes opposition to the flow of alternating current in an inductor?
What configuration of the loops of a two-element quad antenna must be used for the antenna to operate as a beam antenna, assuming one of the elements is used as a reflector?
Which of the following statements is true of the single sideband voice mode?
Which of the following phone emissions uses the narrowest bandwidth?
How long does it take charged particles from coronal mass ejections to affect radio propagation on Earth?
Which element of a triode vacuum tube is used to regulate the flow of electrons between cathode and plate?
What effect does transmitter duty cycle have when evaluating RF exposure?
Why is the F2 region mainly responsible for the longest distance radio wave propagation?
Which of the following may cause receive interference in a radio installed in a vehicle?
Which of the following is good practice for lightning protection grounds?
Which of the following can be determined with a directional wattmeter?
What is the best speed to use when answering a CQ in Morse code?
What is the standard sideband used to generate a JT65, JT9, or FT8 digital signal when using AFSK in any amateur band?
Which of the following limitations apply to transmitter power on every amateur band?
What happens if a signal is applied to the secondary winding of a 4:1 voltage step-down transformer instead of the primary winding?
Which of these classes of amplifiers has the highest efficiency?
What might be the problem if you receive an RF burn when touching your equipment while transmitting on an HF band, assuming the equipment is connected to a ground rod?
What is the correct adjustment for the load or coupling control of a vacuum tube RF power amplifier?
Which of the following applies when selecting a frequency for lowest attenuation when transmitting on HF?
Which symbol in figure G7-1 represents an NPN junction transistor?
Which of the following is a typical application for a Direct Digital Synthesizer?
Which of the following frequencies is in the General class portion of the 40-meter band in ITU Region 2?
What is the relationship between transmitted symbol rate and bandwidth?
What types of messages for a third party in another country may be transmitted by an amateur station?
Which of the following is a good way to indicate on a clear frequency in the HF phone bands that you are looking for a contact with any station?
What is indicated on a waterfall display by one or more vertical lines on either side of a digital signal?