Microwave Communication A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the Output power would increase The frequency will decrease Bunching would occur earlier in time Oscillation will cease Output power would increase The frequency will decrease Bunching would occur earlier in time Oscillation will cease ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What allow microwave to pass in only one direction? Capacitor Varactor-triac Ferrite emitter RF emitter Capacitor Varactor-triac Ferrite emitter RF emitter 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 1,000 watts 100 watts 1,000,000 watts 10,000 watts 1,000 watts 100 watts 1,000,000 watts 10,000 watts ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A thin layer of dirt and grime coverts the reflecting surface of the parabolic dish of a radar set. The particular effect on the performance of the radar will be A decrease in gain A decrease in range No noticeable effect A reduction in horizontal resolution A decrease in gain A decrease in range No noticeable effect A reduction in horizontal resolution 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 C: 100 kHz Loran B: 900 kHz Loran D: 10.2 kHz Loran A: 1950 kHz Loran C: 100 kHz Loran B: 900 kHz Loran D: 10.2 kHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The maximum usable range of the usual radar set (on any particular range setting) is determined by The bandwidth of the receiver IF stages The interval between transmitted pulses The duty cycle The width of the transmitted pulses The bandwidth of the receiver IF stages The interval between transmitted pulses The duty cycle The width of the transmitted pulses ANSWER DOWNLOAD EXAMIANS APP
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