Initial checkin

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+G4B – Tests and test equipment
+
+- [[G4B01]] (D)
+What item of test equipment contains horizontal and vertical channel amplifiers?
+	- A. An ohmmeter
+	- B. A signal generator
+	- C. An ammeter
+	- D. An oscilloscope
+--
+- [[G4B02]] (D)
+Which of the following is an advantage of an oscilloscope versus a digital voltmeter?
+	- A. An oscilloscope uses less power
+	- B. Complex impedances can be easily measured
+	- C. Greater precision
+	- D. Complex waveforms can be measured
+--
+- [[G4B03]] (A)
+Which of the following is the best instrument to use for checking the keying waveform of a CW transmitter?
+	- A. An oscilloscope
+	- B. A field strength meter
+	- C. A sidetone monitor
+	- D. A wavemeter
+--
+- [[G4B04]] (D)
+What signal source is connected to the vertical input of an oscilloscope when checking the RF envelope pattern of a transmitted signal?
+	- A. The local oscillator of the transmitter
+	- B. An external RF oscillator
+	- C. The transmitter balanced mixer output
+	- D. The attenuated RF output of the transmitter
+--
+- [[G4B05]] (D)
+Why do voltmeters have high input impedance?
+	- A. It improves the frequency response
+	- B. It allows for higher voltages to be safely measured
+	- C. It improves the resolution of the readings
+	- D. It decreases the loading on circuits being measured
+--
+- [[G4B06]] (C)
+What is an advantage of a digital multimeter as compared to an analog multimeter?
+	- A. Better for measuring computer circuits
+	- B. Less prone to overload
+	- C. Higher precision
+	- D. Faster response
+--
+- [[G4B07]] (B)
+What signals are used to conduct a two-tone test?
+	- A. Two audio signals of the same frequency shifted 90 degrees
+	- B. Two non-harmonically related audio signals
+	- C. Two swept frequency tones
+	- D. Two audio frequency range square wave signals of equal amplitude
+--
+- [[G4B08]] (A)
+What transmitter performance parameter does a two-tone test analyze?
+	- A. Linearity
+	- B. Percentage of suppression of the carrier and undesired sideband for SSB
+	- C. Percentage of frequency modulation
+	- D. Percentage of carrier phase shift
+--
+- [[G4B09]] (D)
+When is an analog multimeter preferred to a digital multimeter?
+	- A. When testing logic circuits
+	- B. When high precision is desired
+	- C. When measuring the frequency of an oscillator
+	- D. When adjusting circuits for maximum or minimum values
+--
+- [[G4B10]] (A)
+Which of the following can be determined with a directional wattmeter?
+	- A. Standing wave ratio
+	- B. Antenna front-to-back ratio
+	- C. RF interference
+	- D. Radio wave propagation
+--
+- [[G4B11]] (C)
+Which of the following must be connected to an antenna analyzer when it is being used for SWR measurements?
+	- A. Receiver
+	- B. Transmitter
+	- C. Antenna and feed line
+	- D. All these choices are correct
+--
+- [[G4B12]] (B)
+What effect can strong signals from nearby transmitters have on an antenna analyzer?
+	- A. Desensitization which can cause intermodulation products which interfere with impedance readings
+	- B. Received power that interferes with SWR readings
+	- C. Generation of harmonics which interfere with frequency readings
+	- D. All these choices are correct
+--
+- [[G4B13]] (C)
+Which of the following can be measured with an antenna analyzer?
+	- A. Front-to-back ratio of an antenna
+	- B. Power output from a transmitter
+	- C. Impedance of coaxial cable
+	- D. Gain of a directional antenna