Microwave Communication The main frequency determining element of a klystron is The accelerating voltage The repeller voltage Its mode of operation Its resonant cavity The accelerating voltage The repeller voltage Its mode of operation Its resonant cavity ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Theoretically electromagnetic radiation field strength varies in inverse proportion to the square of the distance, but when atmospheric attenuation effects and the absorption of the terrain are taken into account the attenuation can be as high as the inverse ___________ power of the distance. Third Sixth Fourth Fifth Third Sixth Fourth Fifth ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A magnetron is operated at a duty cycle of 0.001. It has a peak power output of 100 kilo-watts. Its average power is 100 watts 1,000 watts 1,000,000 watts 10,000 watts 100 watts 1,000 watts 1,000,000 watts 10,000 watts ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following operating frequencies is used for the modern loran navigational system? Loran A: 1950 kHz Loran B: 900 kHz Loran C: 100 kHz Loran D: 10.2 kHz Loran A: 1950 kHz Loran B: 900 kHz Loran C: 100 kHz Loran D: 10.2 kHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication At what position is the input signal inserted into a traveling-wave tube? At the collector end of the helix At the cathode end of the helix At the control grid of the electron gun At the collector At the collector end of the helix At the cathode end of the helix At the control grid of the electron gun At the collector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A PPI cathode-ray tube as used on a radar set Indicates both the range and azimuth of a target Indicates only the range of a target Is used for receiver alignment Is used to check the percentage of modulation Indicates both the range and azimuth of a target Indicates only the range of a target Is used for receiver alignment Is used to check the percentage of modulation ANSWER DOWNLOAD EXAMIANS APP
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