Practice Exam

T5A09

1. Which of the following describes alternating current?

• A. Current that alternates between positive and negative directions
• B. Current that alternates between a positive direction and zero
• C. All these answers are correct
• D. Current that alternates between a negative direction and zero

T0C03

2. How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

• A. It increases by a factor of 2
• B. It increases by a factor of 3
• C. It decreases by 50 percent
• D. There is no adjustment allowed for lower duty cycle

T6A04

3. What electrical component stores energy in an electric field?

• A. Capacitor
• B. Inductor
• C. Varistor
• D. Diode

T7D07

4. Which of the following measurements are made using a multimeter?

• A. Signal strength and noise
• B. Impedance and reactance
• C. Voltage and resistance
• D. All these choices are correct

T1E01

5. When may an amateur station transmit without a control operator?

• A. Never
• B. When the transmitting station is an auxiliary station
• C. When the station licensee is away and another licensed amateur is using the station
• D. When using automatic control, such as in the case of a repeater

T4A12

6. What is an electronic keyer?

• A. A device for switching antennas from transmit to receive
• B. An interlock to prevent unauthorized use of a radio
• C. A device that assists in manual sending of Morse code
• D. A device for voice activated switching from receive to transmit

T3A03

7. What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

• A. Left-hand circular
• B. Right-hand circular
• C. Horizontal
• D. Vertical

T3B09

8. What frequency range is referred to as UHF?

• A. 300 to 3000 kHz
• B. 30 to 300 kHz
• C. 30 to 300 MHz
• D. 300 to 3000 MHz

T7C06

9. What does an SWR reading of 4:1 indicate?

• A. Loss of -4 dB
• B. Gain of +4 dB
• C. Good impedance match
• D. Impedance mismatch

T7A06

10. What device converts the RF input and output of a transceiver to another band?

• A. High-pass filter
• B. Low-pass filter
• C. Transverter
• D. Phase converter

T1B06

11. On which HF bands does a Technician class operator have phone privileges?

• A. 10 meter band only
• B. 80 meter, 40 meter, 15 meter, and 10 meter bands
• C. 30 meter band only
• D. None

T1D08

12. In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

• A. When the communication is made to obtain emergency information for a local broadcast station
• B. When the communication is related to the sale of amateur equipment by the control operator's employer
• C. All these choices are correct
• D. When the communication is incidental to classroom instruction at an educational institution

T5B04

13. Which is equal to one microvolt?

• A. One million volts
• B. One one-thousandth of a volt
• C. One one-millionth of a volt
• D. One thousand kilovolts

T5D07

14. What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

• A. 200 amperes
• B. 0.667 amperes
• C. 1.5 amperes
• D. 9600 amperes

T1A09

15. Who selects a Frequency Coordinator?

• A. The FCC Office of Spectrum Management and Coordination Policy
• B. The local chapter of the Office of National Council of Independent Frequency Coordinators
• C. Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
• D. FCC Regional Field Office

T8C02

16. Which of these items would be useful for a hidden transmitter hunt?

• A. All these choices are correct
• B. A directional antenna
• C. A calibrated noise bridge
• D. Calibrated SWR meter

T8D09

17. What is CW?

• A. A type of electromagnetic propagation
• B. A digital mode used primarily on 2 meter FM
• C. Another name for a Morse code transmission
• D. A technique for coil winding

T1C10

18. How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

• A. As soon as you receive your license in the mail from the FCC
• B. Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
• C. As soon as your operator/station license grant appears on the ARRL website
• D. As soon as your operator/station license grant appears in the FCC's license database

T0B04

19. Which of the following is an important safety precaution to observe when putting up an antenna tower?

• A. Insulate the base of the tower to avoid lightning strikes
• B. All these choices are correct
• C. Look for and stay clear of any overhead electrical wires
• D. Wear a ground strap connected to your wrist at all times

T6B07

20. What causes a light-emitting diode (LED) to emit light?

• A. Reverse current
• B. Inductively-coupled RF signal
• C. Capacitively-coupled RF signal
• D. Forward current

T8A12

21. Which of the following is a disadvantage of FM compared with single sideband?

• A. FM signals are harder to tune
• B. Only one signal can be received at a time
• C. Voice quality is poorer
• D. All these choices are correct

T7B11

22. What is a symptom of RF feedback in a transmitter or transceiver?

• A. Excessive SWR at the antenna connection
• B. The transmitter will not stay on the desired frequency
• C. Reports of garbled, distorted, or unintelligible voice transmissions
• D. Frequent blowing of power supply fuses

T6C04

23. What is component 3 in figure T-1?

• A. Ground symbol
• B. Lamp
• C. Transistor
• D. Resistor

T6D07

24. Which of the following is commonly used as a visual indicator?

• A. LED
• B. FET
• C. Bipolar transistor
• D. Zener diode

T4B02

25. Which of the following can be used to enter a transceiver's operating frequency?

• A. The keypad or VFO knob
• B. The CTCSS or DTMF encoder
• C. The Automatic Frequency Control
• D. All these choices are correct

T3C10

26. Which of the following bands may provide long-distance communications via the ionosphere's F region during the peak of the sunspot cycle?

• A. 70 centimeters and 1.25 meters
• B. 6 and 10 meters
• C. 23 centimeters
• D. All these choices are correct

T2A09

27. Which of the following indicates that a station is listening on a repeater and looking for a contact?

• A. The repeater call sign followed by the station's call sign
• B. The station's call sign followed by the word "monitoring"
• C. "CQ CQ" followed by the repeater's call sign
• D. "QSY" followed by your call sign

T9B08

28. Which of the following is a source of loss in coaxial feed line?

• A. Multiple connectors in the line
• B. Water intrusion into coaxial connectors
• C. High SWR
• D. All these choices are correct

T5C05

29. What is the unit of impedance?

• A. The volt
• B. The ampere
• C. The ohm
• D. The coulomb

T9A07

30. What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

• A. All these choices are correct
• B. The SWR might decrease, decreasing the signal strength
• C. Signal strength is reduced due to the shielding effect of the vehicle
• D. The bandwidth of the antenna will decrease, increasing SWR

T1F05

31. What method of call sign identification is required for a station transmitting phone signals?

• A. Send the call sign followed by the indicator R
• B. Send the call sign followed by the indicator RPT
• C. Send the call sign using only a phone emission
• D. Send the call sign using a CW or phone emission

T8B11

32. Who may receive telemetry from a space station?

• A. A licensed radio amateur with a transmitter equipped for interrogating the satellite
• B. Anyone
• C. A licensed radio amateur who has registered for an access code from AMSAT
• D. A licensed radio amateur who has been certified by the protocol developer

T2B09

33. Why are simplex channels designated in the VHF/UHF band plans?

• A. So stations within range of each other can communicate without tying up a repeater
• B. So stations with simple transmitters can access the repeater without automated offset
• C. For contest operation
• D. For working DX only

T2C09

34. Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

• A. Yes, but only in situations involving the immediate safety of human life or protection of property
• B. Yes, but only when part of a RACES emergency plan
• C. Yes, but only when part of a FEMA emergency plan
• D. No

T0A01

35. Which of the following is a safety hazard of a 12-volt storage battery?

• A. Touching both terminals with the hands can cause electrical shock
• B. All these choices are correct
• C. RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
• D. Shorting the terminals can cause burns, fire, or an explosion