RECF Practice Questions and Answers Latest Update Already Passed

RECF Practice Questions and Answers Latest Update Already Passed What has the highest strength to weight ratio? Carbon Fiber According to the U.S. Dept. of commerce between 2008 and 2018 U.S. STEM jobs are predicted to grow by __ % compared to a growth rate estimated of just under 10 % for non-STEM jobs. 17% Which of the following engineers work to create roads bridges and tunnels? Civil Engineers The difference between hardwood and softwood is Hardwoods (Have leaves) are from deciduous trees, softwoods (Have needles) are from coniferous trees Quality Control inspects materials during the manufacturing process to ensure that each material has the correct characteristics Composite materials have revolutionized which industry? Aerospace what are the five largest fields of engineering? Chemical, industrial, electrical, mechanical, civil Another good way to describe engineering is simply saying that engineering is Problem Solving Select the best definition for what engineering is: the Use of tools and materials to create things to solve problems for man Mercury is known in space history as the first US manned rocket system Neil Armstrong Was the first man to walk on the moon Alan Shepard Was the first American in Space It took Apollo 11 how long to fly to the moon? 3 days The space shuttle has flown to the moon how many times? 0 First Lunar Lander that landed on the moon Eagle First spacecraft that landed on mars Pathfinder 1997 Largest rocket ever built Saturn V The first spacecraft on the moon was: 1959 Copper and Zinc mixed together make an alloy we know as: Brass Material that makes stainless steel rust resistant? Chromium Most common construction materials are: Dimensional Lumber What does the number on the recycling symbol on the bottom of a plastic container indicate? Resin Type Ferrous metals are easy detectable with: Magnets