Microwave Communication A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor. SONAR LORAN Echosounder Fathometer SONAR LORAN Echosounder Fathometer 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 A: 1950 kHz Loran B: 900 kHz Loran C: 100 kHz Loran D: 10.2 kHz Loran A: 1950 kHz Loran B: 900 kHz Loran C: 100 kHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal attempting to travel in the reverse direction? Wave trap Tunnel diode Isolator Circulator Wave trap Tunnel diode Isolator Circulator ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication It is possible to increase the maximum range of a radar equipment by Lowering the pulse frequency All of these Narrowing the beam width and increasing the pulse duration Raising the peak power of the transmitter Lowering the pulse frequency All of these Narrowing the beam width and increasing the pulse duration Raising the peak power of the transmitter ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 8493 km 6370 km 6370 mi 8493 mmi 8493 km 6370 km 6370 mi 8493 mmi ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Reflex-klystron Magnetron Klystron Thyratron Reflex-klystron Magnetron Klystron Thyratron ANSWER DOWNLOAD EXAMIANS APP