Microwave Communication Which of the following is used as an oscillator device in the SHF band? Tunnel diode Thyratron tube Both B and C Klystron tube Tunnel diode Thyratron tube Both B and C Klystron tube 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 No noticeable effect A decrease in range A decrease in gain A reduction in horizontal resolution No noticeable effect A decrease in range A decrease in gain A reduction in horizontal resolution ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a All of these Waveguide match Direct coax-helix match Cavity match All of these Waveguide match Direct coax-helix match Cavity match ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If the instantaneous RF potentials on the two sides of a magnetron cavity are of opposite polarity, the operation is in the π mode π/4 mode 2π mode π/2 mode π mode π/4 mode 2π mode π/2 mode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What ferrite device can be used instead of duplexer of isolate microwave transmitter and receiver when both are connected to the same antenna? Isolator Simplex Circulator Magnetron Isolator Simplex Circulator Magnetron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B) May be tested during the first five minutes of any hour All of these Must be capable of floating or being secured to a survival Must have its battery replaced after emergency use May be tested during the first five minutes of any hour All of these Must be capable of floating or being secured to a survival Must have its battery replaced after emergency use ANSWER DOWNLOAD EXAMIANS APP
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