Microwave Communication Which of the following is used as an oscillator device in the SHF band? Both B and C Tunnel diode Klystron tube Thyratron tube Both B and C Tunnel diode Klystron tube Thyratron tube ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 6370 mi 8493 mmi 6370 km 8493 km 6370 mi 8493 mmi 6370 km 8493 km ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator In a reflect klystron has its output taken from the reflector plate Has a low Q factor for narrow operation. Is equivalent to an LC resonant circuit Produces a frequency which is independent of the cavity size. In a reflect klystron has its output taken from the reflector plate Has a low Q factor for narrow operation. Is equivalent to an LC resonant circuit Produces a frequency which is independent of the cavity size. ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B) 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 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 ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication It is possible to increase the maximum range of a radar equipment by Narrowing the beam width and increasing the pulse duration Lowering the pulse frequency All of these Raising the peak power of the transmitter Narrowing the beam width and increasing the pulse duration Lowering the pulse frequency All of these Raising the peak power of the transmitter ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A PPI cathode-ray tube as used on a radar set Is used to check the percentage of modulation Indicates only the range of a target Is used for receiver alignment Indicates both the range and azimuth of a target Is used to check the percentage of modulation Indicates only the range of a target Is used for receiver alignment Indicates both the range and azimuth of a target ANSWER DOWNLOAD EXAMIANS APP
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