USI chapters 1-17 study guide Exam Solutions With 100% Correct Answers.

Unit 1 - correct answer To look for a certain unit, just press CTRL and the F key at the same time for a search bar. Credit to Musmak Make sure to scroll down and press show more to get all of the answers What did Elmer Sperry contribute to the history or UAS? - correct answer Automatic stabilization What are the three technology issues facing UAS' full integration into the airspace? - correct answer Reliability, development of Detect and Avoid technology, control link security What is the difference between a guided missile and a modern UAS? - correct answer Modern UAS are intended for recovery and guided missiles are expendable UAS like the Lightning Bug initially used INS guidance. What technology increased the accuracy and capability of UAS? - correct answer Global Positioning System What was the primary mission of the Lightning Bug in Vietnam? - correct answer Reconnaissance Why is the term "unmanned aircraft system" used versus terms like UAV or drone? - correct answer To represent all of the components of a UAS not just the air vehicle What was the first full-scale remotely piloted aircraft? - correct answer Sopwith Aerial Target In what year did Congress mandate UAS integration into the national airspace? - correct answer 2012 Which of the following would be an example of a sUAS? - correct answer ScanEagle What are the two distinctive types of unmanned aircraft systems? - correct answer Autonomous and remote control What modern-day sUAS powerhouse did Dr. Paul MacCready start? - correct answer AeroVironment What technology was added to the TDR-1 that made it different from all previous UAS? - correct answer Television guidance What are the FAA's three categories of UAS? - correct answer Micro, Small, UAS What year did nonmilitary agencies begin using UAS? - correct answer 2004 What "first" for UAS was first credited to Reginald Denny? - correct answer Mass production What system was the original genesis of the modern-day Predator? - correct answer Leading Systems Amber What UAS was created by Israel in the 1970s and battle tested in 1982? - correct answer Scout What type of UAS remote pilots did the FAA first authorize? - correct answer Public What is the upper GTOW limit of a small UAS? - correct answer Less than 55 pounds Who patented a way to control vehicles remotely using radio waves? - correct answer Nikola Tesla What was the first operational targeting drone? - correct answer De Havilland Queen Bee What are the four core components of a UAS? - correct answer Unmanned aircraft, payload, control station, control link Unit 2 - correct answer What are the four forces that act on an aircraft in flight? - correct answer Lift, weight, thrust, and drag What electro-mechanical device can be used to move a control surface? - correct answer Servo What type of flight control system was developed in the 1950s and 60s to relax the stability of an aircraft in an effort to make it more maneuverable? - correct answer Fly-by-wire Air temperature decreases and air density _____ with increases in altitude. - correct answer decreases In general, as the AOA of an airfoil increases, what two forces also increase? - correct answer Lift and drag What is the most common power source for sUAS today? - correct answer Brushless DC electric motors and LiPo batteries What four parameters are required to calculate density altitude? - correct answer Barometric pressure, air temperature, dew point, and field elevation UA can move through 3-D space with _____ degrees of freedom. - correct answer six Which of the following changes can a remote pilot expect if the UA is overweight? - correct answer Decrease in maneuverability What is one of the most important factors affecting overall aircraft performance? - correct answer Air density What are the three degrees of motion that illustrate rotation around axes? - correct answer Pitch, roll, and yaw Which fixed-wing aircraft control surface can create movement around the lateral axis? - correct answer Elevator Rotary-wing aircraft fall into which two categories? - correct answer Helicopter and multirotor What multirotor configuration uses vectored thrust to control the yaw axis? - correct answer Tricopter What type of sUAS is best suited to be powered by an internal combustion engine? - correct answer Fixed wing A helicopter is a type of _____ aircraft. - correct answer rotary-wing What is the primary advantage of rotary-wing aircraft over a fixed-wing? - correct answer VTOL and hovering flight capability Name the component of a UA that houses most of the equipment and acts as the basic structure. - correct answer Fuselage Unit 3 - correct answer What is used to measure distance of a radio wavelength? - correct answer Two adjacent points on the wave What is antenna gain? - correct answer Resultant increase by amplitude of the signal What is diffraction? - correct answer Radio waves bending and moving around an object Name the two primary types of antennas. - correct answer Omni and directional What information is transmitted through uplink? - correct answer Commands What is wave propagation? - correct answer Way in which radio waves move from the source antenna to the receiving end What is the greatest advantage of a directional antenna/transceiver over an omni antenna transceiver? - correct answer Range