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

G0B01: Which wire or wires in a four-conductor line cord should be attached to fuses or circuit breakers in a device operated from a 240-VAC single-phase source?

Only the hot wires
Only the neutral wire
Only the ground wire
All wires

G1A15: What is the appropriate action if, when operating on either the 30 or 60 meter bands, a station in the primary service interferes with your contact?

Notify the FCC's regional Engineer in Charge of the interference
Increase your transmitter's power to overcome the interference
Attempt to contact the station and request that it stop the interference
Move to a clear frequency

G1B06: When is an amateur station permitted to transmit secret codes?

During a declared communications emergency
To control a space station
Only when the information is of a routine, personal nature
Only with Special Temporary Authorization from the FCC

G1C04: Which of the following is a limitation on transmitter power on the 14 MHz band?

Only the minimum power necessary to carry out the desired communications should be used
Power must be limited to 200 watts when transmitting between 14.100 MHz and 14.150 MHz
Power should be limited as necessary to avoid interference to another radio service on the frequency
Effective radiated power cannot exceed 3000 watts

G1D08: Which of the following criteria must be met for a non-U.S. citizen to be an accredited Volunteer Examiner?

The person must be a resident of the U.S. for a minimum of 5 years
The person must hold an FCC granted Amateur Radio license of General Class or above
The person's home citizenship must be in the ITU 2 region
None of these choices is correct; non-U.S. citizens cannot be volunteer examiners

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

G2A01: Which sideband is most commonly used for voice communications on frequencies of 14 MHz or higher?

Upper sideband
Lower sideband
Vestigial sideband
Double sideband

G2B05: What is the customary minimum frequency separation between SSB signals under normal conditions?

Between 150 and 500 Hz
Approximately 3 kHz
Approximately 6 kHz
Approximately 10 kHz

G2C09: What does the Q signal "QSL" mean?

Send slower
We have already confirmed by card
I acknowledge receipt
We have worked before

G2D11: Which HF antenna would be the best to use for minimizing interference?

A quarter-wave vertical antenna
An isotropic antenna
A unidirectional antenna
An omnidirectional antenna

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

G3A09: What effect do high sunspot numbers have on radio communications?

High-frequency radio signals become weak and distorted
Frequencies above 300 MHz become usable for long-distance communication
Long-distance communication in the upper HF and lower VHF range is enhanced
Microwave communications become unstable

G3B04: What is a reliable way to determine if the Maximum Usable Frequency (MUF) is high enough to support skip propagation between your station and a distant location on frequencies between 14 and 30 MHz?

Listen for signals from an international beacon
Send a series of dots on the band and listen for echoes from your signal
Check the strength of TV signals from Western Europe
Check the strength of signals in the MF AM broadcast band

G3C08: Why are HF scatter signals in the skip zone usually weak?

Only a small part of the signal energy is scattered into the skip zone
Signals are scattered from the magnetosphere which is not a good reflector
Propagation is through ground waves which absorb most of the signal energy
Propagations is through ducts in F region which absorb most of the energy

G4A10: What is the purpose of an electronic keyer?

Automatic transmit/receive switching
Automatic generation of strings of dots and dashes for CW operation
VOX operation
Computer interface for PSK and RTTY operation

G4B14: What is an instance in which the use of an instrument with analog readout may be preferred over an instrument with a numerical digital readout?

When testing logic circuits
When high precision is desired
When measuring the frequency of an oscillator
When adjusting tuned circuits

G4C13: Which of the following can perform automatic notching of interfering carriers?

Band-pass tuning
A Digital Signal Processor (DSP) filter
Balanced mixing
A noise limiter

G4D08: What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?

7.178 to 7.181 MHz
7.178 to 7.184 MHz
7.175 to 7.178 MHz
7.1765 to 7.1795 MHz

G4E07: Which of the following is the most likely to cause interfering signals to be heard in the receiver of an HF mobile installation in a recent model vehicle?

The battery charging system
The anti-lock braking system
The anti-theft circuitry
The vehicle control computer

G5A01: What is impedance?

The electric charge stored by a capacitor
The inverse of resistance
The opposition to the flow of current in an AC circuit
The force of repulsion between two similar electric fields

G5B12: What would be the RMS voltage across a 50-ohm dummy load dissipating 1200 watts?

173 volts
245 volts
346 volts
692 volts

G5C05: If three equal value resistors in parallel produce 50 ohms of resistance, and the same three resistors in series produce 450 ohms, what is the value of each resistor?

1500 ohms
90 ohms
150 ohms
175 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

G6B13: What is an advantage of the low internal resistance of nickel-cadmium batteries?

Long life
High discharge current
High voltage
Rapid recharge

G6C09: Which of the following is a characteristic of a liquid crystal display?

It requires ambient or back lighting
It offers a wide dynamic range
It has a wide viewing angle
All of these choices are correct

G7A08: Which of the following is an advantage of a switch-mode power supply as compared to a linear power supply?

Faster switching time makes higher output voltage possible
Fewer circuit components are required
High frequency operation allows the use of smaller components
All of these choices are correct

G7B14: Which of the following describes a linear amplifier?

Any RF power amplifier used in conjunction with an amateur transceiver
An amplifier in which the output preserves the input waveform
A Class C high efficiency amplifier
An amplifier used as a frequency multiplier

G7C01: Which of the following is used to process signals from the balanced modulator and send them to the mixer in a single-sideband phone transmitter?

Carrier oscillator
Filter
IF amplifier
RF amplifier

G8A02: What is the name of the process that changes the phase angle of an RF wave to convey information?

Phase convolution
Phase modulation
Angle convolution
Radian inversion

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

G9A13: What would be the SWR if you feed an antenna that has a 300-ohm feed-point impedance with 50-ohm coaxial cable?

1.5:1
3:1
6:1
You cannot determine SWR from impedance values

G9B05: How does antenna height affect the horizontal (azimuthal) radiation pattern of a horizontal dipole HF antenna?

If the antenna is too high, the pattern becomes unpredictable
Antenna height has no effect on the pattern
If the antenna is less than 1/2 wavelength high, the azimuthal pattern is almost omnidirectional
If the antenna is less than 1/2 wavelength high, radiation off the ends of the wire is eliminated

G9C15: Approximately how long is each side of a quad antenna reflector element?

Slightly less than 1/4 wavelength
Slightly more than 1/4 wavelength
Slightly less than 1/2 wavelength
Slightly more than 1/2 wavelength

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