BE Avionics Engineering

How is the velocity of an aircraft measured by passive  radio system:-

Earth be considered as a communication medium:-

Which is  not  an advantage  of  using  a  digital  data bus ;-

What type of communication is used in a commercial walkie talkie:-

What is the failure probability for a UAV;-

What device  is  used  to  demodulated  a  time  division multiplexing  analog  wave ;-

Using  an audio  tone   to  encode  angles  is  an efficient  method :-

The  radiation from an open  line  can be  increased  by bending  to which angle :-

What is the frequency of rotation of directional beam in a VOR;-

Why are VHF ,  UHF and   microwave  signals   used   in satellite  communication;-

Which is false with respect to  centralized  architecture :-

Geocentric spherical coordinates are used for short dead reckoning navigation:-

which  circuit  is  used  to produce the IF  for  better  selection and  filtering :-

Which is false with respect to MEMS gyros:-

Which  amplifier  is  used  in the  transmitter   substation;-

What is used  between the two lead  wires of a parallel  transmission line ;-

___________ does not fall under the positioning system;-

What is the number  of  channels   in the MLS  system:-

A sine wave whose frequency is some integer multiple of a fundamental sine wave is called:-

if frequency  modulation. carrier  frequency  is always greater than baseband  frequency ;-

what is  processing  gain ;-

The resistance generated by air to the movement of vehicle with N speed is proportional  to:-

Which is  not  a  basic   parameter  used  to  define  visibility  category ;-

What is  the  output  of  a  mixer  circuit  ;-

Which  is  false  with respect  to   TRN;-