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General Class

Intermediate license providing expanded HF privileges. Covers more advanced operating procedures, radio wave propagation, and circuit theory. 35 questions, 26 needed to pass.

426 questions | Page 9 of 21
G4A11

Why should the ALC system be inactive when transmitting AFSK data signals?

G4A12

Which of the following is a common use of the dual-VFO feature on a transceiver?

G4A13

What is the purpose of using a receive attenuator?

G4B01

What item of test equipment contains horizontal and vertical channel amplifiers?

G4B02

Which of the following is an advantage of an oscilloscope versus a digital voltmeter?

G4B03

Which of the following is the best instrument to use for checking the keying waveform of a CW transmitter?

G4B04

What signal source is connected to the vertical input of an oscilloscope when checking the RF envelope pattern of a transmitted signal?

G4B05

Why do voltmeters have high input impedance?

G4B06

What is an advantage of a digital multimeter as compared to an analog multimeter?

G4B07

What signals are used to conduct a two-tone test?

G4B08

What transmitter performance parameter does a two-tone test analyze?

G4B09

When is an analog multimeter preferred to a digital multimeter?

G4B10

Which of the following can be determined with a directional wattmeter?

G4B11

Which of the following must be connected to an antenna analyzer when it is being used for SWR measurements?

G4B12

What effect can strong signals from nearby transmitters have on an antenna analyzer?

G4B13

Which of the following can be measured with an antenna analyzer?

G4C01

Which of the following might be useful in reducing RF interference to audio frequency circuits?

G4C02

Which of the following could be a cause of interference covering a wide range of frequencies?

G4C03

What sound is heard from an audio device experiencing RF interference from a single sideband phone transmitter?

G4C04

What sound is heard from an audio device experiencing RF interference from a CW transmitter?

HAM Test Bank Editorial Team

Licensed Amateur Radio Operators & Volunteer Examiners

Content for General Class exam questions is based on official FCC Part 97 regulations and the NCVEC question pool.