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Microwave Communication

Microwave Communication
Which causes multipath or frequency selective fading?

Small reflector
Nearer reflector
Further reflector
Large reflector

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Microwave Communication
A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B)

Must have its battery replaced after emergency use
May be tested during the first five minutes of any hour
Must be capable of floating or being secured to a survival
All of these

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Microwave Communication
In an SHF pulsed radar set, a reflex klystron can be used as a

Transmitter oscillator
Duplexer stage
Local oscillator
Single mixer stage

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Microwave Communication
Which of the following is used as a high power microwave oscillator?

Klystron
Magnetron
Thyratron
Reflex-klystron

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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
2π mode
π/4 mode
π/2 mode

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Microwave Communication
A high-power microwave pulse of the order of megawatts can be generated by a

Traveling-wave tube
Gunn diode
Reflex klystron
Magnetron

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MORE MCQ ON Microwave Communication

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