FCC Question ID
E1A07
Which amateur band requires transmission on specific channels rather than on a range of frequencies?
E1B09
Which amateur stations may be operated under RACES rules?
Only those club stations licensed to Amateur Extra class operators
Any FCC-licensed amateur station except a Technician class
Any FCC-licensed amateur station certified by the responsible civil defense organization for the area served
Any FCC-licensed amateur station participating in the Military Auxiliary Radio System (MARS)
E1C06
Which of the following statements concerning remotely controlled amateur stations is true?
Only Extra Class operators may be the control operator of a remote station
A control operator need not be present at the control point
A control operator must be present at the control point
Repeater and auxiliary stations may not be remotely controlled
E1D10
Which amateur stations are eligible to be telecommand stations?
Any amateur station designated by NASA
Any amateur station so designated by the space station licensee, subject to the privileges of the class of operator license held by the control operator
Any amateur station so designated by the ITU
All of these choices are correct
E1E11
What must the VE team do if an examinee scores a passing grade on all examination elements needed for an upgrade or new license?
Photocopy all examination documents and forward them to the FCC for processing
Three VEs must certify that the examinee is qualified for the license grant and that they have complied with the administering VE requirements
Issue the examinee the new or upgrade license
All these choices are correct
E1F02
What privileges are authorized in the U.S. to persons holding an amateur service license granted by the government of Canada?
None, they must obtain a U.S. license
All privileges of the Extra Class license
The operating terms and conditions of the Canadian amateur service license, not to exceed U.S. Extra Class privileges
Full privileges, up to and including those of the Extra Class License, on the 80, 40, 20, 15, and 10 meter bands
E2A05
What do the letters in a satellite's mode designator specify?
Power limits for uplink and downlink transmissions
The location of the ground control station
The polarization of uplink and downlink signals
The uplink and downlink frequency ranges
E2B09
What hardware, other than a receiver with SSB capability and a suitable computer, is needed to decode SSTV using Digital Radio Mondiale (DRM)?
A special IF converter
A special front end limiter
A special notch filter to remove synchronization pulses
No other hardware is needed
E2C02
Which of the following best describes the term self-spotting in regards to HF contest operating?
The generally prohibited practice of posting one’s own call sign and frequency on a spotting network
The acceptable practice of manually posting the call signs of stations on a spotting network
A manual technique for rapidly zero beating or tuning to a station’s frequency before calling that station
An automatic method for rapidly zero beating or tuning to a station’s frequency before calling that station
E2D09
Which of these digital modes has the fastest data throughput under clear communication conditions?
E2E06
What is the most common data rate used for HF packet?
E3A08
When a meteor strikes the Earth's atmosphere, a cylindrical region of free electrons is formed at what layer of the ionosphere?
E3B14
What happens to linearly polarized radio waves that split into ordinary and extraordinary waves in the ionosphere?
They are bent toward the magnetic poles
Their polarization is randomly modified
They become elliptically polarized
They become phase-locked
E3C08
What does the space weather term G5 mean?
An extreme geomagnetic storm
Very low solar activity
Moderate solar wind
Waning sunspot numbers
E4A15
What is an advantage of a period-measuring frequency counter over a direct-count type?
It can run on battery power for remote measurements
It does not require an expensive high-precision time base
It provides improved resolution of low-frequency signals within a comparable time period
It can directly measure the modulation index of an FM transmitter
E4B12
What is the significance of voltmeter sensitivity expressed in ohms per volt?
The full scale reading of the voltmeter multiplied by its ohms per volt rating will indicate the input impedance of the voltmeter
When used as a galvanometer, the reading in volts multiplied by the ohms per volt rating will determine the power drawn by the device under test
When used as an ohmmeter, the reading in ohms divided by the ohms per volt rating will determine the voltage applied to the circuit
When used as an ammeter, the full scale reading in amps divided by ohms per volt rating will determine the size of shunt needed
E4C09
Which of the following choices is a good reason for selecting a high frequency for the design of the IF in a conventional HF or VHF communications receiver?
Fewer components in the receiver
Reduced drift
Easier for front-end circuitry to eliminate image responses
Improved receiver noise figure
E4D09
What is the purpose of the preselector in a communications receiver?
To store often-used frequencies
To provide a range of AGC time constants
To increase rejection of unwanted signals
To allow selection of the optimum RF amplifier device
E4E16
What current flows equally on all conductors of an unshielded multi-conductor cable?
Differential-mode current
Common-mode current
Reactive current only
Return current
E5A02
What is resonance in an electrical circuit?
The highest frequency that will pass current
The lowest frequency that will pass current
The frequency at which the capacitive reactance equals the inductive reactance
The frequency at which the reactive impedance equals the resistive impedance
E5B08
What is the phase angle between the voltage across and the current through a series RLC circuit if XC is 100 ohms, R is 100 ohms, and XL is 75 ohms?
14 degrees with the voltage lagging the current
14 degrees with the voltage leading the current
76 degrees with the voltage leading the current
76 degrees with the voltage lagging the current
E5C03
Which of the following represents an inductive reactance in polar coordinates?
A positive real part
A negative real part
A positive phase angle
A negative phase angle
E5D14
What is reactive power?
Wattless, nonproductive power
Power consumed in wire resistance in an inductor
Power lost because of capacitor leakage
Power consumed in circuit Q
E6A13
What do the initials CMOS stand for?
Common Mode Oscillating System
Complementary Mica-Oxide Silicon
Complementary Metal-Oxide Semiconductor
Common Mode Organic Silicon
E6B07
What is the failure mechanism when a junction diode fails due to excessive current?
Excessive inverse voltage
Excessive junction temperature
Insufficient forward voltage
Charge carrier depletion
E6C06
Why do CMOS digital integrated circuits have high immunity to noise on the input signal or power supply?
Larger bypass capacitors are used in CMOS circuit design
The input switching threshold is about two times the power supply voltage
The input switching threshold is about one-half the power supply voltage
Input signals are stronger
E6D11
How many turns will be required to produce a 1-mH inductor using a core that has an inductance index (A L) value of 523 millihenrys/1000 turns?
E6E06
What characteristics of the MMIC make it a popular choice for VHF through microwave circuits?
The ability to retrieve information from a single signal even in the presence of other strong signals
Plate current that is controlled by a control grid
Nearly infinite gain, very high input impedance, and very low output impedance
Controlled gain, low noise figure, and constant input and output impedance over the specified frequency range
E6F07
What is a solid state relay?
A relay using transistors to drive the relay coil
A device that uses semiconductors to implement the functions of an electromechanical relay
A mechanical relay that latches in the on or off state each time it is pulsed
A passive delay line
E7A03
Which of the following can divide the frequency of a pulse train by 2?
E7B04
Where on the load line of a Class A common emitter amplifier would bias normally be set?
Approximately half-way between saturation and cutoff
Where the load line intersects the voltage axis
At a point where the bias resistor equals the load resistor
At a point where the load line intersects the zero bias current curve
E7C04
How does an impedance-matching circuit transform a complex impedance to a resistive impedance?
It introduces negative resistance to cancel the resistive part of impedance
It introduces transconductance to cancel the reactive part of impedance
It cancels the reactive part of the impedance and changes the resistive part to a desired value
Network resistances are substituted for load resistances and reactances are matched to the resistances
E7D03
What device is typically used as a stable reference voltage in a linear voltage regulator?
E7E07
What is meant by the term baseband in radio communications?
The lowest frequency band that the transmitter or receiver covers
The frequency components present in the modulating signal
The unmodulated bandwidth of the transmitted signal
The basic oscillator frequency in an FM transmitter that is multiplied to increase the deviation and carrier frequency
E7F16
How might the sampling rate of an existing digital signal be adjusted by a factor of 3/4?
Change the gain by a factor of 3/4
Multiply each sample value by a factor of 3/4
Add 3 to each input value and subtract 4 from each output value
Interpolate by a factor of three, then decimate by a factor of four
E7G11
What absolute voltage gain can be expected from the circuit in Figure E7-4 when R1 is 3300 ohms and RF is 47 kilohms?
E7H12
Which of the following must be done to insure that a crystal oscillator provides the frequency specified by the crystal manufacturer?
Provide the crystal with a specified parallel inductance
Provide the crystal with a specified parallel capacitance
Bias the crystal at a specified voltage
Bias the crystal at a specified current
E8A02
What type of wave has a rise time significantly faster than its fall time (or vice versa)?
E8B06
What is the deviation ratio of an FM-phone signal having a maximum frequency swing of plus or minus 7.5 kHz when the maximum modulation frequency is 3.5 kHz?
E8C02
What is the definition of symbol rate in a digital transmission?
The number of control characters in a message packet
The duration of each bit in a message sent over the air
The rate at which the waveform of a transmitted signal changes to convey information
The number of characters carried per second by the station-to-station link
E8D07
What is a common cause of overmodulation of AFSK signals?
Excessive numbers of retries
Ground loops
Bit errors in the modem
Excessive transmit audio levels
E9A08
What is meant by antenna bandwidth?
Antenna length divided by the number of elements
The frequency range over which an antenna satisfies a performance requirement
The angle between the half-power radiation points
The angle formed between two imaginary lines drawn through the element ends
E9B16
How many elevation lobes appear in the forward direction of the antenna radiation pattern shown in Figure E9-2?
E9C01
What is the radiation pattern of two 1/4-wavelength vertical antennas spaced 1/2-wavelength apart and fed 180 degrees out of phase?
Cardioid
Omni-directional
A figure-8 broadside to the axis of the array
A figure-8 oriented along the axis of the array
E9D10
What happens to feed point impedance at the base of a fixed length HF mobile antenna as the frequency of operation is lowered?
The radiation resistance decreases and the capacitive reactance decreases
The radiation resistance decreases and the capacitive reactance increases
The radiation resistance increases and the capacitive reactance decreases
The radiation resistance increases and the capacitive reactance increases
E9E10
Which of these choices is an effective way to match an antenna with a 100 ohm feed point impedance to a 50 ohm coaxial cable feed line?
Connect a 1/4-wavelength open stub of 300 ohm twin-lead in parallel with the coaxial feed line where it connects to the antenna
Insert a 1/2 wavelength piece of 300 ohm twin-lead in series between the antenna terminals and the 50 ohm feed cable
Insert a 1/4-wavelength piece of 75 ohm coaxial cable transmission line in series between the antenna terminals and the 50 ohm feed cable
Connect a 1/2 wavelength shorted stub of 75 ohm cable in parallel with the 50 ohm cable where it attaches to the antenna
E9F12
What impedance does a 1/4 wavelength transmission line present to a generator when the line is open at the far end?
The same as the characteristic impedance of the line
The same as the input impedance to the generator
Very high impedance
Very low impedance
E9G06
On the Smith chart shown in Figure E9-3, what is the name for the large outer circle on which the reactance arcs terminate?
E9H09
Which of the following describes the construction of a receiving loop antenna?
A large circularly polarized antenna
A small coil of wire tightly wound around a toroidal ferrite core
One or more turns of wire wound in the shape of a large open coil
A vertical antenna coupled to a feed line through an inductive loop of wire