Ham General License Practice Quiz


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

G0A07: What effect does transmitter duty cycle have when evaluating RF exposure?

A lower transmitter duty cycle permits greater short-term exposure levels
A higher transmitter duty cycle permits greater short-term exposure levels
Low duty cycle transmitters are exempt from RF exposure evaluation requirements
High duty cycle transmitters are exempt from RF exposure requirements

G0B13: What must you do when powering your house from an emergency generator?

Disconnect the incoming utility power feed
Insure that the generator is not grounded
Insure that all lightning grounds are disconnected
All of these choices are correct

G1A13: Which, if any, amateur band is shared with the Citizens Radio Service?

10 meters
12 meters
15 meters
None

G1B09: When may an amateur station transmit communications in which the licensee or control operator has a pecuniary (monetary) interest?

When other amateurs are being notified of the sale of apparatus normally used in an amateur station and such activity is not done on a regular basis
Only when there is no other means of communications readily available
When other amateurs are being notified of the sale of any item with a monetary value less than $200 and such activity is not done on a regular basis
Never

G1C02: What is the maximum transmitting power an amateur station may use on the 12 meter band?

1500 PEP output, except for 200 watts PEP output in the Novice portion
200 watts PEP output
1500 watts PEP output
An effective radiated power equivalent to 50 watts from a half-wave dipole

G1D09: How long is a Certificate of Successful Completion of Examination (CSCE) valid for exam element credit?

30 days
180 days
365 days
For as long as your current license is valid

G1E06: Which of the following applies in the event of interference between a coordinated repeater and an uncoordinated repeater?

The licensee of the non-coordinated repeater has primary responsibility to resolve the interference
The licensee of the coordinated repeater has primary responsibility to resolve the interference
Both repeater licensees share equal responsibility to resolve the interference
The frequency coordinator bears primary responsibility to resolve the interference

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

Frequency modulation
Double sideband
Single sideband
Phase modulation

G2B03: If propagation changes during your contact and you notice increasing interference from other activity on the same frequency, what should you do?

Tell the interfering stations to change frequency
Report the interference to your local Amateur Auxiliary Coordinator
As a common courtesy, move your contact to another frequency
Increase power to overcome interference

G2C07: When sending CW, what does a 'C' mean when added to the RST report?

Chirpy or unstable signal
Report was read from S meter reading rather than estimated
100 percent copy
Key clicks

G2D07: Which of the following is required by the FCC rules when operating in the 60 meter band?

If you are using other than a dipole antenna, you must keep a record of the gain of your antenna
You must keep a log of the date, time, frequency, power level and stations worked
You must keep a log of all third party traffic
You must keep a log of the manufacturer of your equipment and the antenna used

G2E11: What does the abbreviation "MFSK" stand for?

Manual Frequency Shift Keying
Multi (or Multiple) Frequency Shift Keying
Manual Frequency Sideband Keying
Multi (or Multiple) Frequency Sideband Keying

G3A15: How long does it take charged particles from coronal mass ejections to affect radio-wave propagation on the Earth?

28 days
14 days
4 to 8 minutes
20 to 40 hours

G3B12: What factors affect the Maximum Usable Frequency (MUF)?

Path distance and location
Time of day and season
Solar radiation and ionospheric disturbances
All of these choices are correct

G3C04: What does the term 'critical angle' mean as used in radio wave propagation?

The long path azimuth of a distant station
The short path azimuth of a distant station
The lowest takeoff angle that will return a radio wave to the Earth under specific ionospheric conditions
The highest takeoff angle that will return a radio wave to the Earth under specific ionospheric conditions

G4A07: What condition can lead to permanent damage when using a solid-state RF power amplifier?

Exceeding the Maximum Usable Frequency
Low input SWR
Shorting the input signal to ground
Excessive drive power

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

G4C10: What could be a symptom of a ground loop somewhere in your station?

You receive reports of "hum" on your station's transmitted signal
The SWR reading for one or more antennas is suddenly very high
An item of station equipment starts to draw excessive amounts of current
You receive reports of harmonic interference from your station

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

G4E04: Why is it best NOT to draw the DC power for a 100-watt HF transceiver from an automobile's auxiliary power socket?

The socket is not wired with an RF-shielded power cable
The socket's wiring may be inadequate for the current being drawn by the
The DC polarity of the socket is reversed from the polarity of modern HF
Drawing more than 50 watts from this socket could cause the engine to overheat

G5A09: What unit is used to measure reactance?

Farad
Ohm
Ampere
Siemens

G5B09: What is the RMS voltage of a sine wave with a value of 17 volts peak?

8.5 volts
12 volts
24 volts
34 volts

G5C03: Which of the following components should be added to an existing resistor to increase the resistance?

A resistor in parallel
A resistor in series
A capacitor in series
A capacitor in parallel

G6A10: How should the winding axes of solenoid inductors be placed to minimize their mutual inductance?

In line
Parallel to each other
At right angles
Interleaved

G6B12: What is the primary purpose of a screen grid in a vacuum tube?

To reduce grid-to-plate capacitance
To increase efficiency
To increase the control grid resistance
To decrease plate resistance

G6C14: Which of these connector types is commonly used for audio signals in Amateur Radio stations?

PL-259
BNC
RCA Phono
Type N

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

G7B12: Which of these classes of amplifiers has the highest efficiency?

Class A
Class B
Class AB
Class C

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

G8A12: What signal(s) would be found at the output of a properly adjusted balanced modulator?

Both upper and lower sidebands
Either upper or lower sideband, but not both
Both upper and lower sidebands and the carrier
The modulating signal and the unmodulated carrier

G8B07: What is the frequency deviation for a 12.21-MHz reactance-modulated oscillator in a 5-kHz deviation, 146.52-MHz FM-phone transmitter?

101.75 Hz
416.7 Hz
5 kHz
60 kHz

G9A10: What standing wave ratio will result from the connection of a 50-ohm feed line to a non-reactive load having a 10-ohm impedance?

2:1
50:1
1:5
5:1

G9B10: What is the approximate length for a 1/2-wave dipole antenna cut for 14.250 MHz?

8 feet
16 feet
24 feet
32 feet

G9C10: Which of the following is a Yagi antenna design variable that could be adjusted to optimize forward gain, front-to-back ratio, or SWR bandwidth?

The physical length of the boom
The number of elements on the boom
The spacing of each element along the boom
All of these choices are correct

G9D10: Which of the following describes a Beverage antenna?

A vertical antenna constructed from beverage cans
A broad-band mobile antenna
A helical antenna for space reception
A very long and low directional receiving antenna