AutoCAD MCQ PDF

ENGINEERING GRAPHICS (MCQ) Autocad 1. What does the "Line" command in AutoCAD do? a) Creates a straight line segment b) Creates a circle c) Creates an arc d) Creates a polygon Answer: a) Creates a straight line segment 2. Which command is used to create a circle in AutoCAD? a) CIRCLE b) ARC c)...

ENGINEERING GRAPHICS (MCQ) Autocad 1. What does the "Line" command in AutoCAD do? a) Creates a straight line segment b) Creates a circle c) Creates an arc d) Creates a polygon Answer: a) Creates a straight line segment 2. Which command is used to create a circle in AutoCAD? a) CIRCLE b) ARC c) POLYGON d) RECTANGLE Answer: a) CIRCLE 3. Which of the following is the default unit of measurement in AutoCAD? a) Inches b) Millimeters c) Centimeters d) AutoCAD uses a unitless system Answer: d) AutoCAD uses a unitless system 4. What is the purpose of the "Trim" command in AutoCAD? a) To extend objects b) To delete objects c) To remove portions of objects d) To create a new object Answer: c) To remove portions of objects 5. Which of the following tools in AutoCAD is used to add text to a drawing? a) TEXT b) MTEXT c) DIMENSION d) Both a and b Answer: d) Both a and b 6. In AutoCAD, which command is used to make a copy of an object? a) COPY b) MOVE c) MIRROR d) OFFSET Answer: a) COPY 7. What does the "Layer" function in AutoCAD do? a) It defines the color of objects b) It organizes objects into groups for easier management c) It defines the thickness of lines d) It adds dimensions to objects Answer: b) It organizes objects into groups for easier management 8. Which of the following is the default drawing area in AutoCAD? a) Layout b) Model Space c) Paper Space d) 3D View Answer: b) Model Space 9. In AutoCAD, which of the following is a valid shortcut for Zoom Extents? a) Z + E b) Z + X c) Z + A d) Z + F Answer: a) Z + E 10. What is the main purpose of the "Viewport" in AutoCAD? a) To display dimensions b) To view the drawing in different scales c) To create a new layer d) To edit objects in the drawing Answer: b) To view the drawing in different scales 11. What is the "Offset" command used for in AutoCAD? a) To make a duplicate of an object at a specific distance b) To scale an object c) To extend an object d) To mirror an object Answer: a) To make a duplicate of an object at a specific distance 12. Which of the following objects can you create in AutoCAD? a) Line b) Circle c) Polygon d) All of the above Answer: d) All of the above 13. What is the function of the "Hatch" command in AutoCAD? a) To fill an area with color or pattern b) To trim an object c) To create a 3D model d) To adjust the scale of the drawing Answer: a) To fill an area with color or pattern 14. Which of the following commands is used to change the properties of an object in AutoCAD? a) PROPERTIES b) STRETCH c) SCALE d) MOVE Answer: a) PROPERTIES 15. In AutoCAD, what is the function of the "Dimension" command? a) To draw a 2D object b) To add dimensions to objects c) To mirror an object d) To add text to the drawing Answer: b) To add dimensions to objects 16. What is the purpose of the "Layer Properties Manager" in AutoCAD? a) To modify the properties of layers, such as color and line type b) To create new layers only c) To delete layers from the drawing d) To convert layers into 3D models Answer: a) To modify the properties of layers, such as color and line type 17. Which of the following is the correct method to start a new drawing in AutoCAD? a) Click on the "New" button from the application menu b) Type “NEW” in the command line c) Select "File" > "New" d) All of the above Answer: d) All of the above 18. How do you change the color of an object in AutoCAD? a) Use the "COLOR" command b) Change the layer color in the "Layer Properties Manager" c) Use the "STYLIZE" command d) Objects cannot be colored in AutoCAD Answer: b) Change the layer color in the "Layer Properties Manager" 19. Which of the following best describes the AutoCAD "Spline" command? a) It creates a smooth curve passing through a series of points b) It creates a series of connected lines c) It creates a closed polygon d) It creates a perfect circle Answer: a) It creates a smooth curve passing through a series of points 20. What is the default file extension for AutoCAD drawing files? a).dwg b).dxf c).txt d).pdf Answer: a).dwg Conics 21. Which of the following is NOT a conic section? a) Ellipse b) Parabola c) Hyperbola d) Spiral Answer: d) Spiral 22. A conic section is formed by the intersection of a plane with: a) A sphere b) A cylinder c) A cone d) A cube Answer: c) A cone 23. In an ellipse, the distance between the foci is: a) Equal to the major axis b) Equal to the minor axis c) Less than the length of the major axis d) More than the length of the major axis Answer: c) Less than the length of the major axis 24. What is the definition of the directrix in a parabola? a) A line parallel to the axis of symmetry b) A point equidistant from the focus and any point on the curve c) A line that is equidistant from the vertex to the focus d) A line perpendicular to the axis of symmetry Answer: a) A line parallel to the axis of symmetry 25. The eccentricity of a circle is: a) 1 b) 0 c) Greater than 1 d) Infinite Answer: b) 0 26. Which of the following is the correct definition of the focus of a parabola? a) A point from which all points on the parabola are equidistant b) The point on the axis of symmetry from which the parabola is reflected c) The point at the center of the ellipse d) A point where the curve intersects the directrix Answer: a) A point from which all points on the parabola are equidistant 27. The eccentricity of a hyperbola is: a) 0 b) Equal to 1 c) Greater than 1 d) Less than 1 Answer: c) Greater than 1 28. In a hyperbola, the transverse axis is the line that: a) Connects the foci b) Passes through the center and is parallel to the asymptotes c) Perpendicular to the conjugate axis d) Passes through the foci and is perpendicular to the conjugate axis Answer: b) Passes through the center and is parallel to the asymptotes 29. In conics, the directrix of a parabola is: a) Always below the vertex b) A line parallel to the axis of symmetry c) A point located at infinity d) Always perpendicular to the axis of symmetry Answer: b) A line parallel to the axis of symmetry 30. Which of the following conics has the property that the distance from any point on the curve to the focus is always equal to the distance from the point to the directrix? a) Ellipse b) Hyperbola c) Parabola d) Circle Answer: c) Parabola 31. Which of the following properties is true for all conic sections? a) They all have two foci b) They all have a center of symmetry c) They all have an eccentricity of 1 d) They all have the same general equation in Cartesian coordinates Answer: a) They all have two foci 33. Which of the following is true about an ellipse? a) It has two foci located inside the curve b) The sum of the distances from any point on the ellipse to the two foci is constant c) It is a type of parabola d) It has a single focus and a single directrix Answer: b) The sum of the distances from any point on the ellipse to the two foci is constant 34. If a plane is inclined to the horizontal plane (HP) and parallel to the vertical plane (VP), its projection on the HP will be: A) A line B) A point C) A polygon D) A straight line parallel to the edge of the plane Answer: A) A line 35. In the first-angle projection system, the front view of a plane will be: A) The true shape of the plane. B) A projection of the plane on the plane of projection. C) The shadow of the plane when light is cast on it. D) The plan view of the plane. Answer: B) A projection of the plane on the plane of projection. 36. The projection of a plane that is perpendicular to the horizontal plane (HP) and parallel to the vertical plane (VP) will appear as: A) A point in the plan view. B) A line in the front view. C) A polygon in the front view. D) A circle in the top view. Answer: B) A line in the front view. 37. The projection of an inclined plane on the vertical plane (VP) will be: A) Its true shape. B) A line parallel to the inclined edge of the plane. C) A point. D) A polygon. Answer: B) A line parallel to the inclined edge of the plane. 38. A plane that is inclined to both the HP and the VP will appear in the top view as: A) A straight line. B) A polygon. C) A true shape. D) A point. Answer: B) A polygon. 39. To find the true shape of a plane when it is inclined to both the HP and VP, we need to use: A) An auxiliary view. B) The profile view. C) The front view only. D) The auxiliary plane. Answer: A) An auxiliary view. 40. A plane inclined to the HP will have its projection in the front view as: A) A line. B) A point. C) A true shape. D) A circle. Answer: A) A line. 41. The true shape of a plane can only be seen in: A) The front view. B) The top view. C) The profile view. D) A view perpendicular to the plane. Answer: D) A view perpendicular to the plane. 42. If a plane is perpendicular to both the HP and VP, its projections in both views will be: A) A true shape. B) A straight line. C) A point. D) A polygon. Answer: B) A straight line. Solids 43. In orthographic projection, the projection of a solid object is: a) Always a true shape b) Always a line c) A combination of several views to represent the object d) A single view Answer: c) A combination of several views to represent the object 44. Which of the following is NOT a solid shape commonly used in engineering graphics? a) Cube b) Sphere c) Pyramid d) Line Answer: d) Line 45. When a solid is placed with its axis perpendicular to the HP (horizontal plane) and parallel to the VP (vertical plane), how will its projection appear in the top view? a) As a point b) As a circle c) As a rectangle d) As an ellipse Answer: b) As a circle 46. A cylinder is placed with its axis parallel to the HP and inclined to the VP. The projection of the cylinder in the front view will be: a) A rectangle b) A circle c) An ellipse d) A polygon Answer: a) A rectangle 47. The projection of a cone with its axis perpendicular to the HP and parallel to the VP will appear as: a) A triangle in the front view b) A circle in the top view c) A circle in both views d) A trapezoid in the front view Answer: b) A circle in the top view 48. In the projection of a prism, when the axis is inclined to both the HP and VP, the true shape of the base will be visible in: a) The top view b) The front view c) The side view d) An auxiliary view Answer: d) An auxiliary view 49. When a cylinder is resting on the HP and is inclined to the VP, its top view will appear as: a) A rectangle b) An ellipse c) A circle d) A polygon Answer: b) An ellipse 50. When a cylinder is placed with its axis parallel to the HP and the VP, its projection in the front view will be: a) A point b) A rectangle c) A circle d) An ellipse Answer: b) A rectangle 51. When a cone is placed on the HP with its axis inclined to the VP, its projection in the top view will appear as: a) A circle b) A triangle c) An ellipse d) A rectangle Answer: c) An ellipse 52. If a cube is placed with one of its edges parallel to the HP and the other edge parallel to the VP, how will it appear in the front view? a) A square b) A rectangle c) A triangle d) A circle Answer: b) A rectangle 53. Which of the following is the correct projection of a sphere in the top view when it is placed with its center on the HP and parallel to the VP? a) A point b) A circle c) An ellipse d) A rectangle Answer: b) A circle 54. A plane surface of a solid is inclined to the HP and parallel to the VP. The projection of this plane in the front view will be: a) A true size b) A straight line c) A point d) A foreshortened shape Answer: d) A foreshortened shape 55. If a cube is placed with one face parallel to the VP and another face parallel to the HP, the projections of the cube will appear as: a) A square in both views b) A square in the top view and a rectangle in the front view c) A rectangle in both views d) A circle in both views Answer: b) A square in the top view and a rectangle in the front view 56. In the case of a hexagonal pyramid, when the axis is inclined to the VP, the projection in the top view will be: a) A hexagon b) A square c) A circle d) An ellipse Answer: a) A hexagon 57. In a first-angle projection, the projection of a solid object will appear: a) In the same position as the object b) With the top view above the front view c) With the front view above the top view d) With the side view to the right of the front view Answer: b) With the top view above the front view 58. When a plane is parallel to the VP and perpendicular to the HP, its projection on the HP will be: a) A straight line b) A foreshortened shape c) A point d) The true shape of the plane Answer: a) A straight line Orthographic & Isometric Projections 59. In orthographic projection, how many views are generally used to represent a 3D object? a) 1 view b) 2 views c) 3 views d) 4 views Answer: c) 3 views 60. In orthographic projection, when a rectangular block is inclined to the HP, its top view will show: a) A square b) A rectangle c) A parallelogram d) A trapezoid Answer: b) A rectangle 61. Which of the following is the correct method for drawing isometric projections? a) All axes are at 90° to each other b) The object is viewed from a corner, with axes at 120° to each other c) Only one axis is used d) The object is drawn with true length Answer: b) The object is viewed from a corner, with axes at 120° to each other 62. In an isometric drawing, the angles between the axes are: a) 45° b) 90° c) 120° d) 60° Answer: c) 120° 63. In orthographic projection, the front view is always placed in relation to the top and side views: a) Below the top view and to the left of the side view b) Above the top view and to the right of the side view c) Directly above the top view and to the right of the side view d) Directly above the top view and to the left of the side view Answer: c) Directly above the top view and to the right of the side view 64. Which of the following is a feature of an orthographic projection? a) The object is viewed from a single angle b) It uses a 3D projection to display all views simultaneously c) The views show the true size and shape of the object d) Hidden details are visible and clear Answer: c) The views show the true size and shape of the object 65. Which of the following is NOT true for isometric projection? a) The axes are drawn at 120° to each other b) All dimensions are shown in their true scale c) The projection gives a 3D representation of an object d) The drawing scales for length, width, and height are all the same Answer: b) All dimensions are shown in their true scale 66. In orthographic projection, the distance between the views should be: a) The same as the scale used in the drawing b) Dependent on the size of the object c) Equal to the length of the longest dimension of the object d) Zero Answer: b) Dependent on the size of the object 67. What is the key characteristic of isometric projection? a) It displays all three dimensions with equal foreshortening b) It shows the object’s true shape c) It uses parallel lines to represent depth d) It distorts the vertical dimensions Answer: a) It displays all three dimensions with equal foreshortening 68. Which of the following is NOT a type of view in orthographic projection? a) Front view b) Side view c) Top view d) Isometric view Answer: d) Isometric view 69. In an orthographic projection, how are the hidden details of an object shown? a) By using dashed lines b) By using thick lines c) By using dotted lines d) By using shaded areas Answer: a) By using dashed lines 70. What is the relationship between the front view, top view, and side view in orthographic projection? a) They represent different perspectives of the object from a single viewpoint b) They represent different dimensions of the object using a single view c) They are arranged in a specific order to show the 3D shape of the object d) They are drawn using a single line to show depth Answer: c) They are arranged in a specific order to show the 3D shape of the object Development of a surfaces 71. The development of a surface refers to: A) Finding the area of a surface. B) Unfolding a 3D object into a 2D plane. C) Drawing the front view of an object. D) Calculating the volume of a solid. Answer: B) Unfolding a 3D object into a 2D plane. 72. The development of a cone involves: A) A circle with a radius equal to the slant height of the cone. B) A rectangle with a length equal to the circumference of the base and a width equal to the slant height. C) A semicircle with the diameter equal to the radius of the base. D) A triangle with the height equal to the slant height. Answer: B) A rectangle with a length equal to the circumference of the base and a width equal to the slant height. 73. When developing the surface of a cylinder, the development is: A) A square with the side equal to the radius of the base. B) A rectangle with the length equal to the circumference of the base and the width equal to the height of the cylinder. C) A circle with a radius equal to the height of the cylinder. D) A triangle with the base equal to the circumference of the base. Answer: B) A rectangle with the length equal to the circumference of the base and the width equal to the height of the cylinder. 74. The development of a pyramid involves: A) A circle with the radius equal to the slant height of the pyramid. B) A rectangle with a length equal to the perimeter of the base and a width equal to the slant height. C) Triangular sectors arranged around the apex. D) A triangular base and a rectangular height. Answer: C) Triangular sectors arranged around the apex. 75. In the development of a right circular cone, the radius of the sector formed in the development is: A) Equal to the radius of the cone’s base. B) Equal to the slant height of the cone. C) Equal to the height of the cone. D) The distance between the apex and the base. Answer: B) Equal to the slant height of the cone. 76. In the development of a hexagonal prism, the surface is developed as: A) A hexagon. B) A rectangle with the width equal to the perimeter of the base and the height equal to the height of the prism. C) A series of hexagonal faces. D) A combination of six rectangles and two hexagonal faces. Answer: D) A combination of six rectangles and two hexagonal faces. 77. In the development of an open box with rectangular faces, the development will be: A) A rectangle. B) A combination of squares and rectangles. C) A hexagon with six equal sides. D) A series of trapezoids. Answer: B) A combination of squares and rectangles. 78. Which of the following is true about the development of curved surfaces like cylinders and cones? A) They can be developed using simple linear dimensions. B) They require unfolding along a curved line. C) They cannot be developed in 2D. D) They always produce a square when developed. Answer: B) They require unfolding along a curved line.