Ham Radio General Class Test Station Setup and Equipment 3

Question 1

What test instrument is most useful for checking the frequency response and spurious outputs of a transmitter?

Accepted Answer

Spectrum analyzer

Answer

Multimeter

Answer

Oscilloscope

Answer

SWR meter

Question 2

What is the purpose of a dummy load in an amateur radio station?

Accepted Answer

Provide a non-radiating resistive load for testing the transmitter

Answer

Act as an emergency antenna

Answer

Block RF from entering the receiver during transmit

Answer

Tune the antenna to resonance

Question 3

What does a two-tone test evaluate in a single-sideband transmitter?

Accepted Answer

Transmitter linearity and intermodulation distortion (IMD)

Answer

Receiver selectivity

Answer

Antenna SWR across the band

Answer

Frequency stability over temperature

Question 4

Which type of connector is recommended for low-loss VHF/UHF coaxial cable connections at an amateur station?

Accepted Answer

N-type

Answer

PL-259

Answer

RCA phono

Answer

F-type

Question 5

What is the function of a preamplifier placed ahead of an HF receiver or transceiver?

Accepted Answer

Boost weak incoming signals to improve reception on noisy bands

Answer

Increase transmitter output power

Answer

Filter broadcast interference

Answer

Lower the receiver's operating frequency

Question 6

Why should coaxial cable connectors be weatherproofed when installed outdoors?

Accepted Answer

To prevent moisture from entering and causing high-resistance connections and RF leakage

Answer

To increase the cable's power handling capacity

Answer

To protect the cable from UV degradation only

Answer

To prevent animals from chewing the cable