Which of the following is an appropriate power supply rating for a typical 50-watt output mobile FM transceiver?

1. A 24.0 volts at 4 amperes
2. B 13.8 volts at 4 amperes
3. C 24.0 volts at 12 amperes
4. D 13.8 volts at 12 amperes

Which of the following should be considered when selecting an accessory SWR meter?

1. A The frequency and power level at which the measurements will be made
2. B The distance that the meter will be located from the antenna
3. C The maximum SWR anticipated on the transmission line
4. D The ability of the meter to compensate for a poor transmission line match to the antenna

Why are short, heavy-gauge wires used for a transceiver's DC power connection?

1. A To minimize voltage drop when transmitting
2. B To provide a close match to the power supply output impedance
3. C To avoid RF interference
4. D To minimize radiative losses in the power cable

How are the audio input and output of a transceiver connected in a station configured to operate using FT8?

1. A To a computer running a terminal program and connected to a terminal node controller unit
2. B To the audio output and input of a computer running FT8 software
3. C To an FT8 conversion unit, a keyboard, and a computer monitor
4. D To a computer connected to the FT8converter.com website

Where should an RF power meter be installed?

1. A In the feed line, between the transmitter and antenna
2. B At the power supply output
3. C In parallel with the push-to-talk line and the antenna
4. D In the power supply cable, as close as possible to the radio

What signals are used in a computer-radio interface for digital mode operation?

1. A Receive and transmit mode, status, and location
2. B Antenna and RF power
3. C Receive audio, transmit audio, and transmitter keying
4. D NMEA GPS location and DC power

Which of the following is one of the connections required between a computer and a transceiver to operate digital modes?

1. A Computer "line out" to transceiver push-to-talk
2. B Computer "line in" to transceiver push-to-talk
3. C Computer "line in" to transceiver speaker connector
4. D Computer "line out" to transceiver speaker connector

Which of the following conductors is preferred for bonding at RF?

1. A Copper braid removed from coaxial cable
2. B Copper-clad steel wire
3. C Twisted-pair cable
4. D Flat copper strap

How can you determine the length of time that equipment can be powered from a battery?

1. A Divide the watt-hour rating of the battery by the peak power consumption of the equipment
2. B Divide the battery ampere-hour rating by the average current draw of the equipment
3. C Multiply the watts per hour consumed by the equipment by the battery power rating
4. D Multiply the square of the current rating of the battery by the input resistance of the equipment

What function does a digital mode hotspot perform for nearby transceivers?

1. A Communication with a digital voice or data network
2. B FT8 digital communications via AFSK using a smartphone connected to the internet
3. C RTTY encoding and decoding without a computer
4. D High-speed digital communications for meteor scatter

Where should the negative power return of a mobile transceiver be connected in a vehicle?

1. A At the 12-volt battery chassis ground
2. B To the shell of the power connector
3. C To any metal part of the vehicle
4. D Through the transceiver's mounting bracket

What is an electronic keyer?

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