Civil Engineering Mcqs

Electromagnetic radiation_______________?
  • (A)  Produces a time varying magnetic field and vice versa
  • (B)  Once generated, remains self-propagating
  • (C)  Is capable to travel across space
  • (D)  All of these
Which one of the following residual biases involves the GPS accuracy ?
  • (A)  Satellite dependent biases due to uncertainty in the orbital parameters of the satellite
  • (B)  Receiver -dependent biases due to clock stability with line
  • (C)  Signal propagation biases due to the sphere and troposphere propagation
  • (D)  All the above