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.
Which of the following describes the construction of a MOSFET?
Which of the following antenna types will be most effective as a Near Vertical Incidence Skywave (NVIS) antenna for short-skip communications on 40 meters during the day?
What is normally meant by operating a transceiver in "split" mode?
What signals are used to conduct a two-tone test?
Why is it good to match receiver bandwidth to the bandwidth of the operating mode?
When is an amateur station allowed to use any means at its disposal to assist another station in distress?
How is an FSK signal generated?
What is the purpose of a power supply interlock?
What is the significance of the sunspot number with regard to HF propagation?
How long is a Certificate of Successful Completion of Examination (CSCE) valid for exam element credit?
What must be done to prevent standing waves on an antenna feed line?
How many states does a 3-bit binary counter have?
Which of the following would disqualify a third party from participating in stating a message over an amateur station?
Which of the following most limits an HF mobile installation?
What does the number 31 represent in "PSK31"?
What is the total resistance of three 100 ohm resistors in parallel?
Which of the following could be a cause of interference covering a wide range of frequencies?
What is Near Vertical Incidence Skywave (NVIS) propagation?
What is the output PEP from a transmitter if an oscilloscope measures 500 volts peak-to-peak across a 50 ohm resistive load connected to the transmitter output?
What is the Volunteer Monitoring Program?
Which of the following causes opposition to the flow of alternating current in a capacitor?
What does the Q signal "QRL?" mean?
What does LUF stand for?
What is meant when memory is characterized as non-volatile?
What symptoms may result from other signals interfering with a PACTOR or WINMOR transmission?
Who or what determines "good engineering and good amateur practice," as applied to the operation of an amateur station in all respects not covered by the Part 97 rules?
What circuit is used to process signals from the RF amplifier and local oscillator then send the result to the IF filter in a superheterodyne receiver?
Which type of rectifier circuit uses two diodes and a center-tapped transformer?
Which of the following would increase the bandwidth of a Yagi antenna?
Which of the following frequencies is within the General class portion of the 15-meter band?
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?
Which of the following is most commonly used for SSB voice communications in the VHF and UHF bands?
What is the limit for transmitter power on the 28 MHz band for a General Class control operator?
How does the feed-point impedance of a 1/2 wave dipole antenna change as the antenna is lowered below 1/4 wave above ground?
What precaution should be taken when installing a ground-mounted antenna?