Ham General License Practice Quiz


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

G0A09: What type of instrument can be used to accurately measure an RF field?

A receiver with an S meter
A calibrated field-strength meter with a calibrated antenna
A betascope with a dummy antenna calibrated at 50 ohms
An oscilloscope with a high-stability crystal marker generator

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

G1A07: Which of the following frequencies is within the General Class portion of the 75 meter phone band?

1875 kHz
3750 kHz
3900 kHz
4005 kHz

G1B05: When may music be transmitted by an amateur station?

At any time, as long as it produces no spurious emissions
When it is unintentionally transmitted from the background at the transmitter
When it is transmitted on frequencies above 1215 MHz
When it is an incidental part of a manned space craft retransmission

G1C01: What is the maximum transmitting power an amateur station may use on 10.140 MHz?

200 watts PEP output
1000 watts PEP output
1500 watts PEP output
2000 watts PEP output

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

G1E07: With which foreign countries is third party traffic prohibited, except for messages directly involving emergencies or disaster relief communications?

Countries in ITU Region 2
Countries in ITU Region 1
Every foreign country, unless there is a third party agreement in effect with that country
Any country which is not a member of the International Amateur Radio Union (IARU)

G2A11: What does the expression "CQ DX" usually indicate?

A general call for any station
The caller is listening for a station in Germany
The caller is looking for any station outside their own country
A distress call

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

G2C04: What does it mean when a CW operator sends "CL" at the end of a transmission?

Keep frequency clear
Operating full break-in
Listening only for a specific station or stations
Closing station

G2D04: Which of the following describes an azimuthal projection map?

A world map that shows accurate land masses
A world map projection centered on a particular location
A world map that shows the angle at which an amateur satellite crosses the equator
A world map that shows the number of degrees longitude that an amateur satellite appears to move westward at the equator with each orbit

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

G3A01: What is the sunspot number?

A measure of solar activity based on counting sunspots and sunspot groups
A 3 digit identifier which is used to track individual sunspots
A measure of the radio flux from the Sun measured at 10.7 cm
A measure of the sunspot count based on radio flux measurements

G3B10: What is the approximate maximum distance along the Earth's surface that is normally covered in one hop using the E region?

180 miles
1,200 miles
2,500 miles
12,000 miles

G3C12: Which ionospheric layer is the most absorbent of long skip signals during daylight hours on frequencies below 10 MHz?

The F2 layer
The F1 layer
The E layer
The D layer

G4A06: What type of device is often used to enable matching the transmitter output to an impedance other than 50 ohms?

Balanced modulator
SWR Bridge
Antenna coupler
Q Multiplier

G4B16: What signals are used to conduct a two-tone test?

Two audio signals of the same frequency shifted 90-degrees
Two non-harmonically related audio signals
Two swept frequency tones
Two audio frequency range square wave signals of equal amplitude

G4C09: How can a ground loop be avoided?

Connect all ground conductors in series
Connect the AC neutral conductor to the ground wire
Avoid using lock washers and star washers when making ground connections
Connect all ground conductors to a single point

G4D05: How does an S meter reading of 20 dB over S-9 compare to an S-9 signal, assuming a properly calibrated S meter?

It is 10 times weaker
It is 20 times weaker
It is 20 times stronger
It is 100 times stronger

G4E06: What is one disadvantage of using a shortened mobile antenna as opposed to a full size antenna?

Short antennas are more likely to cause distortion of transmitted signals
Short antennas can only receive vertically polarized signals
Operating bandwidth may be very limited
Harmonic radiation may increase

G5A05: How does an inductor react to AC?

As the frequency of the applied AC increases, the reactance decreases
As the amplitude of the applied AC increases, the reactance increases
As the amplitude of the applied AC increases, the reactance decreases
As the frequency of the applied AC increases, the reactance increases

G5B10: What percentage of power loss would result from a transmission line loss of 1 dB?

10.9%
12.2%
20.5%
25.9%

G5C01: What causes a voltage to appear across the secondary winding of a transformer when an AC voltage source is connected across its primary winding?

Capacitive coupling
Displacement current coupling
Mutual inductance
Mutual capacitance

G6A01: Which of the following is an important characteristic for capacitors used to filter the DC output of a switching power supply?

Low equivalent series resistance
High equivalent series resistance
Low Temperature coefficient
High Temperature coefficient

G6B11: Which of the following solid state devices is most like a vacuum tube in its general operating characteristics?

A bipolar transistor
A Field Effect Transistor
A tunnel diode
A varistor

G6C18: What is a type SMA connector?

A large bayonet-type connector usable at power levels in excess of 1 KW
A small threaded connector suitable for signals up to several GHz
A connector designed for serial multiple access signals
A type of push-on connector intended for high-voltage applications

G7A09: Which symbol in figure G7-1 represents a field effect transistor?

Symbol 2
Symbol 5
Symbol 1
Symbol 4

G7B09: What determines the frequency of an LC oscillator?

The number of stages in the counter
The number of stages in the divider
The inductance and capacitance in the tank circuit
The time delay of the lag circuit

G7C02: Which circuit is used to combine signals from the carrier oscillator and speech amplifier and send the result to the filter in a typical single-sideband phone transmitter?

Discriminator
Detector
IF amplifier
Balanced modulator

G8A01: What is the name of the process that changes the envelope of an RF wave to carry information?

Phase modulation
Frequency modulation
Spread spectrum modulation
Amplitude modulation

G8B12: What is the relationship between transmitted symbol rate and bandwidth?

Symbol rate and bandwidth are not related
Higher symbol rates require higher bandwidth
Lower symbol rates require higher bandwidth
Bandwidth is constant for data mode signals

G9A02: What are the typical characteristic impedances of coaxial cables used for antenna feed lines at amateur stations?

25 and 30 ohms
50 and 75 ohms
80 and 100 ohms
500 and 750 ohms

G9B01: What is one disadvantage of a directly fed random-wire antenna?

It must be longer than 1 wavelength
You may experience RF burns when touching metal objects in your station
It produces only vertically polarized radiation
It is not effective on the higher HF bands

G9C12: Which of the following is an advantage of using a gamma match for impedance matching of a Yagi antenna to 50-ohm coax feed line?

It does not require that the elements be insulated from the boom
It does not require any inductors or capacitors
It is useful for matching multiband antennas
All of these choices are correct

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