Ham General License Practice Quiz


• Percentage: 0%; Correct: 0; Total: 0 of 35

G0A12: What precaution should you take whenever you make adjustments or repairs to an antenna?

Ensure that you and the antenna structure are grounded
Turn off the transmitter and disconnect the feed line
Wear a radiation badge
All of these choices are correct

G0B02: What is the minimum wire size that may be safely used for a circuit that draws up to 20 amperes of continuous current?

AWG number 20
AWG number 16
AWG number 12
AWG number 8

G1A12: When General Class licensees are not permitted to use the entire voice portion of a particular band, which portion of the voice segment is generally available to them?

The lower frequency end
The upper frequency end
The lower frequency end on frequencies below 7.3 MHz and the upper end on frequencies above 14.150 MHz
The upper frequency end on frequencies below 7.3 MHz and the lower end on frequencies above 14.150 MHz

G1B01: What is the maximum height above ground to which an antenna structure may be erected without requiring notification to the FAA and registration with the FCC, provided it is not at or near a public use airport?

50 feet
100 feet
200 feet
300 feet

G1C03: What is the maximum bandwidth permitted by FCC rules for Amateur Radio stations when transmitting on USB frequencies in the 60 meter band?

2.8 kHz
5.6 kHz
1.8 kHz
3 kHz

G1D01: Which of the following is a proper way to identify when transmitting using phone on General Class frequencies if you have a CSCE for the required elements but your upgrade from Technician has not appeared in the FCC database?

Give your call sign followed by the words "General Class"
No special identification is needed
Give your call sign followed by "slant AG"
Give your call sign followed the abbreviation 'CSCE'

G1E02: When may a 10 meter repeater retransmit the 2 meter signal from a station having a Technician Class control operator?

Under no circumstances
Only if the station on 10 meters is operating under a Special Temporary Authorization allowing such retransmission
Only during an FCC declared general state of communications emergency
Only if the 10 meter repeater control operator holds at least a General Class license

G2A05: Which mode of voice communication is most commonly used on the high frequency amateur bands?

Frequency modulation
Double sideband
Single sideband
Phase modulation

G2B01: Which of the following is true concerning access to frequencies?

Nets always have priority
QSO's in process always have priority
No one has priority access to frequencies, common courtesy should be a guide
Contest operations must always yield to non-contest use of frequencies

G2C01: Which of the following describes full break-in telegraphy (QSK)?

Breaking stations send the Morse code prosign BK
Automatic keyers are used to send Morse code instead of hand keys
An operator must activate a manual send/receive switch before and after every transmission
Transmitting stations can receive between code characters and elements

G2D10: What is QRP operation?

Remote piloted model control
Low power transmit operation
Transmission using Quick Response Protocol
Traffic relay procedure net operation

G2E08: What segment of the 80 meter band is most commonly used for data transmissions?

3570 ' 3600 kHz
3500 ' 3525 kHz
3700 ' 3750 kHz
3775 ' 3825 kHz

G3A02: What effect does a Sudden Ionospheric Disturbance have on the daytime ionospheric propagation of HF radio waves?

It enhances propagation on all HF frequencies
It disrupts signals on lower frequencies more than those on higher frequencies
It disrupts communications via satellite more than direct communications
None, because only areas on the night side of the Earth are affected

G3B03: Which of the following applies when selecting a frequency for lowest attenuation when transmitting on HF?

Select a frequency just below the MUF
Select a frequency just above the LUF
Select a frequency just below the critical frequency
Select a frequency just above the critical frequency

G3C06: What is a characteristic of HF scatter signals?

They have high intelligibility
They have a wavering sound
They have very large swings in signal strength
All of these choices are correct

G4A11: Which of the following is a use for the IF shift control on a receiver?

To avoid interference from stations very close to the receive frequency
To change frequency rapidly
To permit listening on a different frequency from that on which you are transmitting
To tune in stations that are slightly off frequency without changing your transmit frequency

G4B12: What problem can occur when making measurements on an antenna system with an antenna analyzer?

SWR readings may be incorrect if the antenna is too close to the Earth
Strong signals from nearby transmitters can affect the accuracy of measurements
The analyzer can be damaged if measurements outside the ham bands are attempted
Connecting the analyzer to an antenna can cause it to absorb harmonics

G4C03: What sound is heard from an audio device or telephone if there is interference from a nearby single-sideband phone transmitter?

A steady hum whenever the transmitter is on the air
On-and-off humming or clicking
Distorted speech
Clearly audible speech

G4D11: How close to the upper edge of the 20 meter General Class band should your displayed carrier frequency be when using 3 kHz wide'USB?

3 kHz above the edge of the band
3 kHz below the edge of the band
Your displayed carrier frequency may be set at the edge of the band
Center your signal on the edge of the band

G4E02: What is the purpose of a "corona ball" on a HF mobile antenna?

To narrow the operating bandwidth of the antenna
To increase the "Q" of the antenna
To reduce the chance of damage if the antenna should strike an object
To reduce high voltage discharge from the tip of the antenna

G5A10: What unit is used to measure impedance?

Volt
Ohm
Ampere
Watt

G5B06: What is the output PEP from a transmitter if an oscilloscope measures 200 volts peak-to-peak across a 50-ohm dummy load connected to the transmitter output?

1.4 watts
100 watts
353.5 watts
400 watts

G5C15: What is the total resistance of a 10 ohm, a 20 ohm, and a 50 ohm resistor in parallel?

5.9 ohms
0.17 ohms
10000 ohms
80 ohms

G6A04: Which of the following is an advantage of an electrolytic capacitor?

Tight tolerance
Non-polarized
High capacitance for given volume
Inexpensive RF capacitor

G6B15: When is it acceptable to recharge a carbon-zinc primary cell?

As long as the voltage has not been allowed to drop below 1.0 volt
When the cell is kept warm during the recharging period
When a constant current charger is used
Never

G6C15: What is the main reason to use keyed connectors instead of non-keyed types?

Prevention of use by unauthorized persons
Reduced chance of incorrect mating
Higher current carrying capacity
All of these choices are correct

G7A05: What portion of the AC cycle is converted to DC by a half-wave rectifier?

90 degrees
180 degrees
270 degrees
360 degrees

G7B03: Which of the following describes the function of a two input AND gate?

Output is high when either or both inputs are low
Output is high only when both inputs are high
Output is low when either or both inputs are high
Output is low only when both inputs are high

G7C03: What circuit is used to process signals from the RF amplifier and local oscillator and send the result to the IF filter in a superheterodyne receiver?

Balanced modulator
IF amplifier
Mixer
Detector

G8A11: What happens to the RF carrier signal when a modulating audio signal is applied to an FM transmitter?

The carrier frequency changes proportionally to the instantaneous amplitude of the modulating signal
The carrier frequency changes proportionally to the amplitude and frequency of the modulating signal
The carrier amplitude changes proportionally to the instantaneous frequency of the modulating signal
The carrier phase changes proportionally to the instantaneous amplitude of the modulating signal

G8B06: What is the total bandwidth of an FM-phone transmission having a 5 kHz deviation and a 3 kHz modulating frequency?

3 kHz
5 kHz
8 kHz
16 kHz

G9A06: In what values are RF feed line losses usually expressed?

ohms per 1000 ft
dB per 1000 ft
ohms per 100 ft
dB per 100 ft

G9B12: What is the approximate length for a 1/4-wave vertical antenna cut for 28.5 MHz?

8 feet
11 feet
16 feet
21 feet

G9C03: Which statement about a three-element, single-band Yagi antenna is true?

The reflector is normally the shortest parasitic element
The director is normally the shortest parasitic element
The driven element is the longest parasitic element
Low feed-point impedance increases bandwidth

G9D11: Which of the following is a disadvantage of multiband antennas?

They present low impedance on all design frequencies
They must be used with an antenna tuner
They must be fed with open wire line
They have poor harmonic rejection