RECF practice questions with 100% correct answers

RECF practice questions with 100% correct answers 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. - Answer️️ -17% Which of the following engineers work to create roads bridges and tunnels? - Answer️️ -Civil Engineers The difference between hardwood and softwood is - Answer️️ -Hardwoods are from deciduous trees, softwoods are from coniferous trees Quality Control inspects materials during the manufacturing process to - Answer️️ - ensure that each material has the correct characteristics Composite materials have revolutionized which industry? - Answer️️ -Aerospace what are the five largest fields of engineering? - Answer️️ -Chemical, industrial, electrical, mechanical, civl Another good way to describe engineering is simply saying that engineering is - Answer️️ -Problem Solving Select the best definition for what engineering is: - Answer️️ -the Use of tools and materials to create things to solve problems for man Mercury is known in space history as - Answer️️ -the first US manned rocket system Neil Armstrong - Answer️️ -Was the first man to walk on the moon Alan Shepard - Answer️️ -Was the first american to orbit the earth It took Apollo 11 how long to fly to the moon? - Answer️️ -3 days The space shuttle has flown to the moon how many times? - Answer️️ -0 the Gemini program used an Atlas Rocket - Answer️️ -False Spaceship One was the name of the first lunar lander in 1969. - Answer️️ -False The next new fleet of spacecraft to fly to the moon and Mars will incorporate some 40 year old technologies - Answer️️ -True Man first landed on Mars in 1972 - Answer️️ -False Composite materials are lighter and much less expensive than more traditional materials such as steel and plastics - Answer️️ -False The Saturn V rocket is the largest rocket ever built - Answer️️ -True The first moon landing was in 1959 - Answer️️ -False Copper, zinc, and nickel mixed together make an alloy we know as brass - Answer️️ - True Steel nickel and chromium together make an alloy we know as stain