RECF Fundamentals Practice Test: Key Concepts, Questions and Answers

1. A plane is flying at 1000 meters above the ground and fires a laser 60 degrees of of straight down. what is the distance the light traveled to the ground? - ANSWER 2000 meters 2. Who was the first American astronaut to fly into space? - ANSWER Alan Sheppard 3. The first satellite to orbit the earth in 1957? - ANSWER Sputnik - 1 4. Which of the following is not true about an electrical schematic? - ANSWER shows an accurate distance and scale of components in circuit 5. What kind of drawing requires the taking of dimensions and the creation of sketches of existing items at a construction site? - ANSWER walk down 6. When you compare the actual size of the units of a project with the paper size units of a technical drawing of that project you arrive at _____________. - ANSWER the scale factor for the technical drawing 7. A person's behavior is always ethical when they _____. - ANSWER follow and expected standard of behavior 8. All pages must be ____ in an engineering notebook. - ANSWER numbered and in ink 9. Friction is a force that acts _________. - ANSWER in an opposite direction to movement 10. Which scientist developed the laws of motion? - ANSWER Issac Newton 11. What is another name for the first law of motion? - ANSWER law of inertia 12. When a hammer falls from a work bench, __________. - ANSWER The kinetic energy of the hammer increases while the potential energy decreases 13. A pendulum is released from a certain height, it swings through the lowest point and swings upward. The pendulum slows and finally stalls at a height which is a little less than the height at which it is released at. This demonstrates which of the following _________. - ANSWER First law of motion 14. A rubber balloon is blown up and released. It flies around the room as air is pushed out of the balloon. This is the best example of ___________. - ANSWER third law of motion 15. What formula represents newtons second law? - ANSWER F=MA 16. Which of the following letters represents the air foil? - ANSWER D (GO TO TEST FOR IMAGE) 17. Which of the following letters represents lift? - ANSWER C (GO TO TEST FOR IMAGE) 18. Which of the following letters represents the low pressure zone? - ANSWER A (GO TO TEST FOR IMAGE) 19. Which of the following letters represents high pressure zone? - ANSWER B (GO TO TEST FOR IMAGE) 20. Which of the following represents the shoulder? - ANSWER B (GO TO TEST FOR IMAGE) 21. Which of the following letters represents the waist? - ANSWER A (GO TO TEST FOR IMAGE) 22. Which of the following letters represents manipulator? - ANSWER E (GO TO TEST FOR IMAGE) 23. If the leftmost 36 tooth gear turns counterclockwise, which direction will the rightmost 36 tooth gear turn? - ANSWER Counterclockwise (GO TO TEST FOR IMAGE) 24. Which of the following letters represents the elbow? - ANSWER C (GO TO TEST FOR IMAGE) 25. How fast must the leftmost 36 tooth gear rotate so that the 84 tooth gear will rotate once per second? - ANSWER 2 1/3 turns per second (GO TO TEST FOR IMAGE) 26. What type of circuit is the following? - ANSWER parallel (GO TO TEST FOR IMAGE) 27. What type of circuit is the following? - ANSWER series (GO TO TEST FOR IMAGE) 28. What type of view is the following? - ANSWER break view (GO TO TEST FOR IMAGE) 29. What type of view is the following? - ANSWER alternate position (GO TO TEST FOR IMAGE) 30. Which of the following is the correct orthographic FRONT view of the isometric drawing in the figure? - ANSWER A (GO TO TEST FOR IMAGE) 31. Which of the following is the correct orthographic TOP view of the drawing in the figure? - ANSWER C (GO TO TEST FOR IMAGE) 32. Which of the following drawings shows the TOP view of the part? - ANSWER C (GO TO TEST FOR IMAGE) 33. Which of these processes converts knowledge into a physical form? - ANSWER Development 34. Which type of engineer would most likely a bubble gum formula that makes it easy to blow big bubbles? - ANSWER chemical 35. Which of the following is a problem associated with carbon fiber? - ANSWER high cost 36. Which of these is least likely to corrode? - ANSWER Titanium 37. Which of the following has the highest strength to weight ratio? - ANSWER Carbon fiber 38. Which of the following materials consists of reversible chemical bonds which permit remolding upon heating? - ANSWER Thermoplastics 39. What does the number on the recycling symbol on the bottom of a plastic container indicate? - ANSWER resin type 40. Heating polycarbonate plastic is common to create bends in the material. After the heating process is complete and the material returns to room temperature, the material will ________. - ANSWER be more brittle (NOT SURE)