Practice Exam

T5D02

1. What formula is used to calculate voltage in a circuit?

• A. E= I + R
• B. E= I x R
• C. E= I / R
• D. E = I - R

T2B11

2. Which Q signal indicates that you are changing frequency?

• A. QSL
• B. QRZ
• C. QRU
• D. QSY

T5A06

3. What is the unit of frequency?

• A. Hertz
• B. Tesla
• C. Farad
• D. Henry

T1C01

4. For which license classes are new licenses currently available from the FCC?

• A. Technician, Technician Plus, General, Amateur Extra
• B. Novice, Technician, General, Amateur Extra
• C. Novice, Technician Plus, General, Advanced
• D. Technician, General, Amateur Extra

T7D03

5. When configured to measure current, how is a multimeter connected to a component?

• A. In parallel
• B. In phase
• C. In quadrature
• D. In series

T3B06

6. What is the formula for converting frequency to approximate wavelength in meters?

• A. Wavelength in meters equals frequency in megahertz divided by 300
• B. Wavelength in meters equals frequency in hertz multiplied by 300
• C. Wavelength in meters equals 300 divided by frequency in megahertz
• D. Wavelength in meters equals frequency in hertz divided by 300

T6C03

7. What is component 2 in figure T-1?

• A. Resistor
• B. Transistor
• C. Indicator lamp
• D. Connector

T1E07

8. When the control operator is not the station licensee, who is responsible for the proper operation of the station?

• A. All licensed amateurs who are present at the operation
• B. Only the control operator
• C. The control operator and the station licensee
• D. Only the station licensee

T7A01

9. Which term describes the ability of a receiver to detect the presence of a signal?

• A. Total Harmonic Distortion
• B. Linearity
• C. Sensitivity
• D. Selectivity

T4A07

10. Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

• A. Computer "line out" to transceiver push-to-talk
• B. Computer "line out" to transceiver speaker connector
• C. Computer "line in" to transceiver push-to-talk
• D. Computer "line in" to transceiver speaker connector

T8C02

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

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

T1F03

12. When are you required to transmit your assigned call sign?

• A. At least once during each transmission
• B. At least every 10 minutes during and at the end of a communication
• C. At least every 15 minutes during and at the end of a communication
• D. At the beginning of each contact, and every 10 minutes thereafter

T6A07

13. What electrical component is typically constructed as a coil of wire?

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

T1A07

14. What is the FCC Part 97 definition of a space station?

• A. An amateur station using amateur radio satellites for relay of signals
• B. A manned satellite orbiting Earth
• C. An amateur station located more than 50 km above Earth's surface
• D. Any satellite orbiting Earth

T1B11

15. What is the maximum peak envelope power output for Technician class operators in their HF band segments?

• A. 100 watts
• B. 10 watts
• C. 200 watts
• D. 50 watts

T0B05

16. What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

• A. Prevent loosening of the turnbuckle from vibration
• B. Secure the guy line if the turnbuckle breaks
• C. Provide an ability to measure for proper tensioning
• D. Provide a ground path for lightning strikes

T0C09

17. How can you make sure your station stays in compliance with RF safety regulations?

• A. By making sure your antennas have low SWR
• B. All these choices are correct
• C. By re-evaluating the station whenever an item in the transmitter or antenna system is changed
• D. By informing the FCC of any changes made in your station

T3C03

18. What is a characteristic of VHF signals received via auroral backscatter?

• A. They are generally strongest when your antenna is aimed west
• B. They are often received from 10,000 miles or more
• C. They occur only during winter nighttime hours
• D. They are distorted and signal strength varies considerably

T2A11

19. What term describes an amateur station that is transmitting and receiving on the same frequency?

• A. Diplex
• B. Simplex
• C. Full duplex
• D. Multiplex

T5C10

20. How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

• A. 30 watts
• B. 4.8 watts
• C. 14.5 watts
• D. 0.208 watts

T5B07

21. Which is equal to 3.525 MHz?

• A. 0.003525 kHz
• B. 3,525,000 kHz
• C. 35.25 kHz
• D. 3525 kHz

T9A06

22. Which of the following types of antenna offers the greatest gain?

• A. Isotropic
• B. J pole
• C. 5/8 wave vertical
• D. Yagi

T2C01

23. When do FCC rules NOT apply to the operation of an amateur station?

• A. When operating under special ARES rules
• B. When operating a RACES station
• C. When operating under special FEMA rules
• D. FCC rules always apply

T6B01

24. Which is true about forward voltage drop in a diode?

• A. It indicates that the diode is defective
• B. It is proportional to peak inverse voltage
• C. It is lower in some diode types than in others
• D. It has no impact on the voltage delivered to the load

T9B02

25. What is the most common impedance of coaxial cables used in amateur radio?

• A. 12 ohms
• B. 50 ohms
• C. 600 ohms
• D. 8 ohms

T4B10

26. Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

• A. 5000 Hz
• B. 2400 Hz
• C. 1000 Hz
• D. 500 Hz

T7C08

27. Which instrument can be used to determine SWR?

• A. Iambic pentameter
• B. Ohmmeter
• C. Directional wattmeter
• D. Voltmeter

T6D03

28. Which of the following is a reason to use shielded wire?

• A. To prevent coupling of unwanted signals to or from the wire
• B. To couple the wire to other signals
• C. To increase the current carrying capability of the wire
• D. To decrease the resistance of DC power connections

T3A04

29. What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

• A. Received signal strength is reduced
• B. Signals have an echo effect
• C. Nothing significant will happen
• D. The modulation sidebands might become inverted

T1D09

30. When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

• A. Never
• B. When broadcasting communications to or from the space shuttle
• C. When such communications are directly related to the immediate safety of human life or protection of property
• D. Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network

T8A11

31. What is the approximate bandwidth required to transmit a CW signal?

• A. 150 Hz
• B. 15 kHz
• C. 1000 Hz
• D. 2.4 kHz

T0A12

32. Which of the following precautions should be taken when measuring high voltages with a voltmeter?

• A. Ensure that the voltmeter has very low impedance
• B. Ensure that the voltmeter is set to the correct frequency
• C. Ensure that the circuit is grounded through the voltmeter
• D. Ensure that the voltmeter and leads are rated for use at the voltages to be measured

T8B08

33. What is meant by the statement that a satellite is operating in U/V mode?

• A. The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
• B. The satellite operates using ultraviolet frequencies
• C. The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
• D. The satellite frequencies are usually variable

T8D10

34. Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

• A. Weak signal propagation beacons
• B. All these choices are correct
• C. Earth-Moon-Earth
• D. Meteor scatter

T7B11

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

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