Microwave Communication In a radar-set receiver, the usual mixer stage is A Rochelle salts crystal A silicon crystal And FET A tunnel diode A Rochelle salts crystal A silicon crystal And FET A tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor. Echosounder SONAR Fathometer LORAN Echosounder SONAR Fathometer LORAN ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the The frequency will decrease Output power would increase Bunching would occur earlier in time Oscillation will cease The frequency will decrease Output power would increase Bunching would occur earlier in time Oscillation will cease ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If the duration of the radar transmitted pulse, on a particular range of operation, is increased, the required bandwidth of the receiver’s IF amplifiers Must remain as before Must be increased May be decreased Must be doubled Must remain as before Must be increased May be decreased Must be doubled 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 Must have its battery replaced after emergency use Must be capable of floating or being secured to a survival All of these May be tested during the first five minutes of any hour Must have its battery replaced after emergency use Must be capable of floating or being secured to a survival All of these ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Small reflector Further reflector Large reflector Nearer reflector Small reflector Further reflector Large reflector Nearer reflector ANSWER DOWNLOAD EXAMIANS APP
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