Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Radiation Modulation Attenuation Propagation Radiation Modulation Attenuation Propagation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor. SONAR Fathometer LORAN Echosounder SONAR Fathometer LORAN Echosounder ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B) 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 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 ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the function of the duplexer is to Prevent frequency drift in the klystron All of these Aid in calibrating the display unit Allow the transmitter and the receiver to operate from a common antenna Prevent frequency drift in the klystron All of these Aid in calibrating the display unit Allow the transmitter and the receiver to operate from a common antenna 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. Sixth Third Fifth Fourth Sixth Third Fifth Fourth ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The main frequency determining element of a klystron is The accelerating voltage Its resonant cavity The repeller voltage Its mode of operation The accelerating voltage Its resonant cavity The repeller voltage Its mode of operation ANSWER DOWNLOAD EXAMIANS APP
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