AVIONICS QUIZ-2 (AY 2025-2026)

The bearing coverage of the air defense radar is _____ degrees

• 45

• 90

• 180

• 360

To achieve the maximum range of a radar, the effective aperture of receiving Antenna 𝐴𝑒 should be,

• constant

• zero

• low

• high

To achieve the maximum range of the radar, power of the minimum detectable signal 𝑆𝑚𝑖𝑛 should be _____.

• stable

• infinity

• high

• low

In FMCW radar, the switched frequency counter is useful for getting the value of ______. 

• Doppler velocity

• swift frequency

• number of radar antennas

• range

If the Antenna beam continuously rotates for tracking a target, then it is called ______ scanning.

• sequential

• conical

• polar

• angular

The Radar, which operates with pulse signal for detecting non-stationary targets, is called ______.

• Moving Target Indication Radar

• Pulse Radar

• Continuous Wave Radar

• Frequency Modulated Continuous Wave Radar

If the radar transmitter and receiver are found in the same location, it is termed as ________.

• Multistatic radar

• Bistatic radar

• Monostatic radar

• Polystatic radar

______ MHz is used for the interrogation path from ground to air path (Uplink) of secondary radar.

• 1090

• 1030

• 650

• 400

The power density, 𝑃𝑑 at a distance, R from the Radar can be mathematically represented as,

• 𝑃𝑑 = Pt/4πR*R

• 𝑃𝑑 = Pt4πR2

• 𝑃𝑑 = Pt/4πR

• 𝑃𝑑 = Pt/4π

The Figure of Merit is the ratio of ____ SNR to ____ SNR.

• input, output

• output, input

• input, input

• output, output