ATT ET Test 10 Review 2024 (A+ Guaranteed)

Two objects at the same range must be separated by at least ____ beam width to be separately distinguishable by the RADAR system. correct answers One. What is the phase shift of a stationary object? correct answers Stationary objects have no Doppler Effect. The beam produced by the orange-peel parabolic antenna is _____ in the horizontal plane and _____ in the vertical. correct answers Narrow, Wide. What two types of energy transmissions do RADAR systems employ? correct answers Pulsed, Continuous Wave (CW) What is the function of the charging choke in the line-in type modulator? correct answers Causes Pin to charge to twice the power supply potential. How does FTC affect receiver gain, if at all? correct answers Has no effect. Which radar receiver component converts the IF pulses to video pulses? correct answers Video Detector. What are the types of losses that are associated with transmission lines? correct answers Resistive, capacitive, inductive. What type of loss is due to the expanding and collapsing magnetic fields inducing a voltage and current in surfaces near the transmission lines? correct answers Induction Loss. What type of transmission line uses the outer conductor to shield the center conductor? correct answers Flexible Coaxial Cable. Which transmission line allows the least velocity (60% of the speed of light)? correct answers Twisted Pair. A waveguide is defined as a system of material boundries, capable of guiding ______. correct answers Electromagnetic Energy. In a waveguide, as the frequency increases the bus bar _____ in size. correct answers increases What is the physical handling and installation of waveguides called? correct answers Plumbing. This resistive load absorbs all energy from the transmitter so that it doesn't leave the antenna. correct answers Dummy Load. What are the operational pressures of high and low power dry air systems? correct answers 25 to 35 PSI high, and 1 to 8 PSI low.