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Finalquiz - H:5 SECTION LABORATORY NAME EXAMINATION...

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Unformatted text preview: .._... H :5 SECTION LABORATORY NAME . EXAMINATION TRUE-FALSE 1. When cutting planes are shown on a sectional drawing, the cutting plane takes preference over the center line. 2. An inclined surface will be inclined to two principal planes and . perpendicular to the third. 3. The pitch of the screw thread is the distance lrom a point (crest) on a screw thread to a corresponding point on the next thread measured parallel to the axis. ‘1 la i-i H 4. Hidden lines are always omitted in sectional views. 5. A sectional view with one fourth the object removed is referred to as a quarter section. 'Tfi 6. A line that is perpendicular to the profile plane will appear in two length in top and front view. 7. Inclined surfaces are shown in true size and shape in primary auxiliary. view. ' 9. The root of a thread can be determined by the intersection of the side T _*i__ f 8. Oblique surfaces will appear in true size and shape in the primary auxiliary angles of the thread. VT 10. in a multiview drawing, the front and top views are always in line E 11. The diameter of a circle should always be shown and not the radius. ‘. 12- Engineering drawing is a sign language. 13. Webs and ribs are usually shown in full section and they are crosshatch. ,fl' _.l_ T 14. Notes are used to give information that is not part of normal dimensioning techniques. ' 15. The length of a bolt 13 the distance from the under side of the head to the tip end of the bolt a V ‘- SECTION L __T_ F 3'5 LABORATORY EXAMINATION TRUE~FALSE 1 When cutting planes are shown on a sectional drawing, the cutting plane takes preference over the center line. 2. An inclined surface will be inclined to two principal planes and . 3. 9. 10. perpendicular to the third. The pitch of the screw thread is the distance from a point (crest) on a screw thread toa corresponding point on the next thread measured parallel to the axis. Hidden lines are always omitted in sectional views. A sectional view with one fourth the object removed is referred to as a quarter section. A line that is perpendicular to the profile plane will appear in true length in top and front view. Inclined surfaces are shown in true size and shape in primary auxiliary. Oblique surfaces will appear in true size and shape in the primary auxiliary View. l The root of a thread can be determined by the intersection of the side angles of the thread. ‘ in a multiview drawing, the front and top views are aliNays in line |,, ll iii-“lb 11. 12. 13. 14. 15. The diameter of a circle should always be shown and not the radius. Engineering drawing is a sign language. Webs and ribs are usually shown in full section and they are crosshatch. Notes are used to give information that' Is not part of normal dimensioning techniques. 'The length of a bolt is the distance from the under side of the head to the tin and nf the hnh‘ 16. 17. 18. 19. 20. 21. 23. 24. 25. A finish mark on a drawing is hdicated by a V or lazy '1”. An auxiliary View is an orthographic View with the line of sight not perpendicular to the regular planes of projection. An auxiliary view helps to describe the incline surface. The auxiliary View rnust appear under size to be dimensioned properly. In making an auxiliary view the auxiliary plane is drawn inclined to the surface to be drawn. A section view is drawn as if the part of the object is cut away, leaving the interior exposed. A special line Is used to indicate where the part Is to be separated this line is called a separator. ’ ”It. ~ . . Crosshatch lines are usually spaced by the eye. A quarter section cuts the objeat fully through. In oblique projection none of the principal faces of an object are parallel to the plane of projections. ‘ ABC -~. ”(E33 .._\ A a co»- ' fie Choice: Circle the‘letterofyourcholceonuumftslde circle sheet. 1. A surface that is parallel to a horizontal plane of projection will project in the front view (A) as an ed ge (B) as a point (C) in true size and shape (D) foresflhortened 2. If a hidden line and an object line coincide on a drawing. (A) the hidden line (B) the object line, will take precedence. When three views of an object are given, an inclined surface will show an (A) an edge in two and surface in one (B) a surface in two views and an edge in one (C) a surface in all three views. The right side view always shows 2 dimensions: the (A) height and width (B) width and depth (C) depth and height. Projection lines creating the top view must be perpendicular to the (A) horizontal plane of projection. (B) vertical plane of projection, (3’) profile plane of projection. A line that is perpendicular to the profile plane of projection projects as a (A) point (B) foreshortened line (C) true length line, in the front view. A hole that projects as a rectangle in the top view. a cirde in the front view. projects as (A) a circle (B) an ellipse (C) a rectangle in the profile view. A surface that appears as a surface in all orthographic views will show as (A) an oblique (B) a normal (0) an inclined surface. A line that projects foreshortened in the front view is (A) parallel (,2) perpendicular (C) inclined to the frontal plane. center line, will take precedence. 11 The intersection of an object line and hidden line should intersect as (A) (A) in illustration. I l (s) , I (C) ' ——~.——— —I— ———l-—-——— l | - I 12. Hidden line correctly make an acute angle as shown in illustration . ,_.__.\ ' . \ // x/ \ / / / .L. 1" 3 A half section ' denoted when (A) the cutting plane removes half _ of the object g) the cutting plane removes one fourth of the object. . 09 E 14. An oblique surface projects true size and shape in (A) primary auxilia ' View (B) top View (C) from View (D) secondary auxiliary View (E) right side view. .1 AB C 15. If a surface is perpendicular to a plane of projection, its projection V" on the plane is (A) an edge (B) foreshorlened (C) true shape. ‘ PLACE THE CORRECT-LETTER; IN THE SPACE PROVIDED To THE LEFT OF THE QUESTION. K 1. When an angle or line is divided into two equal parts it has been Ir 2. An ObjeCt that is similar to an egg shape is called an cities: (I: 3. A it point is the exact point at which one of two joining lines stops and the other starts. (a round joining line) (1 4. When referring to the overall size of an object. the terms in? r width and depth are used. ‘ £2 5. Most objects require “W" views for complete shape description. 3 6. In a drawing that requires many views. usually the top, front and s. views are presented. fl 7. The l -...r-.-§ view of a many View drawing is the most important View. 2 a. is .4.- lines are used to show details that are behind some part ofthe object. H 9. A rounded interior comer on a drawing of an object is called a l '1: i-'- -. " f 10. A L... . .1 is a uniformly roughened surface. Used on handles and knobs to provide a better grip. A. front _ F. ellipse B. right side G. height C. bisected H. fillet or rounds 0 three I. . tangent ...
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