Microwave Communication A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor. Echosounder Fathometer SONAR LORAN Echosounder Fathometer SONAR LORAN ANSWER DOWNLOAD EXAMIANS APP
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 Traveling-wave tube Gunn diode Reflex klystron Magnetron 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. Third Sixth Fifth Fourth Third Sixth Fifth Fourth ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B) All of these Must be capable of floating or being secured to a survival May be tested during the first five minutes of any hour Must have its battery replaced after emergency use All of these Must be capable of floating or being secured to a survival May be tested during the first five minutes of any hour Must have its battery replaced after emergency use ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Microwave frequencies are normally regarded as those in the range of 10 to 1000 GHz 1 to 500 MHz 1 to 100 GHz 1000 to 10,000 GHz 10 to 1000 GHz 1 to 500 MHz 1 to 100 GHz 1000 to 10,000 GHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following operating frequencies is used for the modern loran navigational system? Loran D: 10.2 kHz Loran C: 100 kHz Loran B: 900 kHz Loran A: 1950 kHz Loran D: 10.2 kHz Loran C: 100 kHz Loran B: 900 kHz Loran A: 1950 kHz ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS