2004 Academic Challenge

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1 2004 Academic Challenge ENGINEERING GRAPHICS TEST - SECTIONAL Engineering Graphics Test Production Team Ryan Brown, Illinois State University Author/Team Coordinator Kevin Devine, Illinois State University Author Jacob Borgerson, University of Illinois at Urbana - Champaign Reviewer Don Wayman, WYSE Coordinator of Test Production GENERAL DIRECTIONS Please read the following instructions carefully. This is a timed test; any instructions from the test supervisor should be followed promptly. The test supervisor will give instructions for filling in any necessary information on the answer sheet. Some Academic Challenge test sites are using answer sheets that require you to fill in the letter of the answer you choose on the blank line after each question number. Others may ask you to indicate your answer to each question by marking an oval that corresponds to the correct answer for that question. Only one oval should be marked to answer each question. Multiple ovals will automatically be graded as an incorrect answer. Be sure ovals are marked as. Not as,,, etc. Test Question - 1. Which planet was closer to Earth in 2003 than it had been for 60,000 years? a. Jupiter b. Mercury c. Neptune d. Mars e. Venus Answer Sheet-- 1. A B C E If you wish to change an answer, erase your first mark completely before marking your new choice. You are advised to use your time effectively and to work as rapidly as you can without losing accuracy. Do not waste your time on questions that are too difficult for you. Go on to the other questions and come back to the difficult ones later if you can. *** TIME: 40 MINUTES *** DO NOT OPEN TEST BOOKLET UNTIL YOU ARE TOLD TO DO SO! 2004 Worldwide Youth in Science and Engineering WYSE, Worldwide Youth in Science and Engineering and the WYSE Design are service marks of and this work is Copyright 2004 Board of Trustees of the University of Illinois at Urbana - Champaign. All rights reserved.

2 WYSE Academic Challenge Engineering Graphics Test (Sectional) The international counterpart to ASME is: A. ISO B. ANSI C. JNSI D. ERI E. MIL 2. A drawing of a long handle may use a variety of profile shapes superimposed on the orthographic view that are commonly referred to as sections. A. removed B. aligned C. offset D. revolved E. half 3. On some multiview drawings, for clarity, special considerations are made. Which of these is a FALSE example? A. Right side view is projected off the top view B. Side view might be incomplete and only show important features C. Hidden lines might be omitted D. A feature at an odd angle is imagined to be revolved in alignment with the normal view direction E. All views are lined up along a baseline and labeled 4. Which of the following measuring devices would be used to create an instrumental drawing of a parking lot at a scale of 1 = 20? A. Architect s scale B. Landscape architect s scale C. Civil engineer s scale D. Mechanical engineer s scale E. Metric scale 5. If an arc is dimensioned as SR.38, this indicates: A. A stock radius that is already set B. A spherical surface C. The arc is to be scaled 38% D. A standard cut with a laser E. The arc is to be smooth blended with tangent surfaces. 6. A type of fit between two parts, when based on individual tolerances, which may result in either clearance or interference: A. Transition B. Line C. Force D. Clearance E. Double 7. A one-point perspective gets its name from one point. A. ground B. measuring C. vanishing D. station E. picture

3 Engineering Graphics If the top view of a 4 cube features the circular view of a 1 diameter drilled blind hole, 2 deep, how many hidden line segments are featured in the front view? A. 3 B. 4 C. 5 D. 6 E While enlarging a rectangle, if the diagonal line from lower left corner to upper right corner remains the same angle to the base, the enlargement will be: A. Proportional B. Incremental by 10% C. Quadrilateral D. Differential E. Tangential 10. The term blueprint is still generically applied to a copy that could appropriately be called a whiteprint, made with a process that: A. Is an electrostatic technology B. Is a toner-based photocopy process C. Uses chemical coated paper and light exposure D. Involves heat transfer E. Is like a pen plotter output 11. For the illustration above, which dimensions would be sufficient to describe it? A. B, C, E, & R B. A, C, & R C. B, C, D, & E D. A, B, C, D, & E E. A, B, E, & R 12. The notion that each part or component of a product must not only meet functional requirements and specifications, but can also be manufactured economically and efficiently: A. Computer Aided Manufacturing (CAM) B. Rapid prototyping C. Solid modeling D. Computer Aided Logistics (CAL) E. Design for Manufacturability (DFM)

4 Engineering Graphics An auxiliary view projected from the top view would probably require a measurement be obtained from the view. A. height; front B. depth; side C. width; front D. width; side E. depth; front 14. If you need to create a pictorial drawing of a cylinder, you can avoid ellipses or irregular curves by creating a(n) drawing. A. trimetric B. isometric C. oblique D. dimetric E. two point perspective 15. A four-sided 2D geometric shape with all equal sides, but not all equal angles: A. Rhombus B. Square C. Rectangle D. Rhomboid E. Trapezoid 16. Which of the following metric paper sizes is the most like 8-1/2 x 11 A-size paper? A. A-0 B. A-1 C. A-2 D. A-3 E. A Specifically, what is the name of the scale pictured above? A. Civil Engineer s Scale B. Triangular Ruler C. Metric Scale D. Mechanical Engineer s Scale E. Architect s Scale 18. If two solids that are composed of flat surfaces intersect, the resulting development will be comprised of: A. Straight lines and ellipses B. Conics and folding lines C. Straight lines only D. Irregular curves and straight lines E. Hyperbolas and straight lines 19. Size tolerances control the size of a hole, location tolerances control the location of a hole, while is added to help control the geometric form. A. SPC B. MMC C. STL D. UNC E. GD&T

5 Engineering Graphics On most CAD systems, what angle would be specified to draw a line that heads southeast toward 4 o clock, 30 below horizontal? A. -30 B. 30 C. 60 D. 120 E For the illustration above, find a set of superfluous dimensions that could be deleted, leaving a properly dimensioned view: A. A, H, J, & K B. J, K, H, & M C. D, E, F, & N D. C, E, H, & K E. E, G, L, & M 21. Which of the following statements regarding threaded holes is FALSE? A. Threads are machined into holes using a tool called a tap B. When a blind threaded hole is used, the tap drill depth should be generous C. Except for aesthetic reasons, the designer should choose a blind threaded hole rather than a through threaded hole when possible D. When an ordinary drill is used in connection with tapping, it is referred to as a tap drill E. Tool breakage is a concern when machining small threaded holes 23. The ASME standard line thickness is thin for all of the following lines EXCEPT: A. Hidden B. Center C. Phantom D. Section E. Freehand break 24. One example of an item that is traditionally NOT section-lined, even though the cutting plane cuts through material as it passes though it: A. Spoke B. Keyway C. Knurl D. Thread E. Spotface 25. In geometric dimensioning and tolerancing, the shape of a true position tolerance zone for a round hole is most likely: A. 2D Square B. 2D Circular C. 2D Rectangular D. 3D Cylindrical E. 3D Prismatic

6 Engineering Graphics Runouts occur when a rounded edge intersects with a curved surface. When constructed with drafting tools or with 2D CAD commands, the runout is shown as: A. a complete circle B. 1/4 th of a circle C. 1/8 th of a circle D. an ogee curve E. a spline 27. Which of the following pencil hardnesses would most likely be used for construction lines? A. H B. 4H C. HB D. F E. 2B 29. Identify the type of section view illustrated above. A. Half Section B. Quarter Section C. Center Section D. Full Section E. Aligned Section 30. A hole with a size dimension of /-.000 mates with a shaft dimensioned.345 ±.004. What are the limits of fit for this relationship? A B C D E The illustration above shows construction for graphically solving the true distance between two parallel lines. Within what chapter of an engineering graphics text would you expect to find this illustration? A. Pictorial Drawings B. Threads & Fasteners C. Developments & Intersections D. Sectional Views E. Descriptive Geometry 31. In engineering graphics education, it is common to number the vertices of an object to help solve a problem. Based on the given numbers in the above illustration, what should be assigned to the lower right corner of the side view? A. 7,8 B. 4,5 C. 6,7 D. 3,4 E. 8,7

7 Engineering Graphics Given three fixed points in space, not in a straight line, how many possible circles could be drawn that would go through all three points? A. One B. Two C. Three D. Four E. Infinite 33. Which of the following is NOT true about most engineering drawings of mass produced parts, dimensioned in inches: A. Dimensions are read from the bottom of the page B. Overdimensioning is permissible C. Numerals are specified to three decimal places (thousandths) D. Dimensions are created with lines that are thinner than the visible object lines E. Dimensions are placed off the views if possible 34. In 3D solid modeling, a through hole is usually modeled in a workpiece by a cylinder. A. unioning B. intersecting C. sweeping D. subtracting E. shelling 35. The ASME standard symbol for counterbore is: 36. The type of gear that looks like a wheel with teeth around the circumference: A. Follower gear B. Worm gear C. Rack gear D. Bevel gear E. Spur gear 37. International drawings often have a top view below the front view, and a right side view to the left of the front view. This occurs due to the principles of projection A. glass box B. first angle C. auxiliary view D. third angle E. orthographic reverse 38. If one wanted to make an existing line longer on a CAD drawing, the efficient and preferred method would be to: A. Create a second line that starts at the end of the first, but continues on to the new endpoint B. Extend the original line to the desired length C. Delete the first line and create the desired longer line D. Use the SCALE command E. Mirror the line across a plane that is perpendicular to the line

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