Quiznetik

Engineering Graphics | Set 1

1. Perpendiculars can’t be drawn using

Correct : C. pro- circle

2. The length through perpendicular gives the shortest length from a point to the line.

Correct : A. true

3. A Ogee curve is a

Correct : B. continuous double curve with convex and concave

4. How many pairs of parallel lines are there in regular Hexagon?

Correct : B. 3

5. How many pairs of parallel lines are there in a regular pentagon?

Correct : A. 0

6. How many external tangents are there for two circles?

Correct : B. 2

7. How many internal tangents are there for two circles?

Correct : C. 2

8. For any point on any curve there exist two normals.

Correct : B. false

9. There are 2 circles say A, B. A has 20 units radius and B has 10 units radius and distance from centers of A and B is 40 units. Where will be the intersection point of external tangents?

Correct : B. to the right of the two circles

10. There are 2 circles say A, B. A is smaller than B and they are not intersecting at any point. Where will be the intersection point of internal tangents for these circles?

Correct : B. to the right of the two circles

11. Which of the following is incorrect about Ellipse?

Correct : C. if a plane is parallel to axis of cone cuts the cone then the section gives ellipse

12. Which of the following constructions doesn’t use elliptical curves?

Correct : A. cooling towers

13. The line which passes through the focus and perpendicular to the major axis is

Correct : B. latus rectum

14. Axes are called conjugate axes when they are parallel to the tangents drawn at their extremes.

Correct : A. true

15. Which of the following is not belonged to ellipse?

Correct : D. asymptotes

16. In general method of drawing an ellipse, a vertical line called as          is drawn first.

Correct : D. directrix

17. If eccentricity of ellipse is 3/7, how many divisions will the line joining the directrix and the focus have in general method?

Correct : A. 10

18. In the general method of drawing an ellipse, after parting the line joining the directrix and the focus, a            is made.

Correct : B. vertex

19. An ellipse is defined as a curve traced by a point which has the sum of distances between any two fixed points always same in the same plane.

Correct : A. true

20. An ellipse has          foci.

Correct : B. 2

21. If information about the major and minor axes of ellipse is given then by how many methods can we draw the ellipse?

Correct : D. 5

22. In arcs of circles method, the foci are constructed by drawing arcs with centre as one of the ends of the          axis and the radius equal to the half of the          axis.

Correct : A. minor, major

23. If we know the major and minor axes of the ellipse, the first step of drawing the ellipse, we draw the axes          each other.

Correct : B. perpendicular bisecting

24. Loop of the thread method is the practical application of              method.

Correct : C. arcs of circles method

25. Which of the following is incorrect about Parabola?

Correct : A. eccentricity is less than 1

26. Which of the following constructions use parabolic curves?

Correct : C. light reflectors

27. The length of the latus rectum of the parabola y2 =ax is

Correct : B. a

28. Which of the following is not a parabola equation?

Correct : D. x2 = 4ay2

29. The parabola x2 = ay is symmetric about x- axis.

Correct : B. false

30. Which of the following is not belonged to ellipse?

Correct : C. major axis

31. Which of the following is Hyperbola equation?

Correct : C. x2 /a2 – y2/b2 = 1

32. Which of the following constructions use hyperbolic curves?

Correct : A. cooling towers

33. The lines which touch the hyperbola at an infinite distance are

Correct : D. asymptotes

34. If the asymptotes are perpendicular to each other then the hyperbola is called rectangular hyperbola.

Correct : A. true

35. A straight line parallel to asymptote intersects the hyperbola at only one point.

Correct : A. true

36. The asymptotes of any hyperbola intersects at

Correct : D. centre

37. is a curve generated by a point fixed to a circle, within or outside its circumference, as the circle rolls along a straight line.

Correct : D. trochoid

38. is a curve generated by a point on the circumference of a circle, which rolls without slipping along another circle outside it.

Correct : B. epicycloid

39. is a curve generated by a point on the circumference of a circle which rolls without slipping on a straight line.

Correct : C. cycloid

40. When the circle rolls along another circle inside it, the curve is called a

Correct : D. hypocycloid

41. The generating circle will be inside the directing circle for

Correct : D. hypocycloid

42. The generating point is outside the generating circle for

Correct : B. superior trochoid

43. Mathematical equation for Involute is

Correct : B. x = r cosθ + r θ sinθ

44. For inferior trochoid or inferior epitrochoid the curve touches the directing line or directing circle.

Correct : B. false

45. ‘Hypo’ as prefix to cycloids give that the generating circle is inside the directing circle.

Correct : A. true

46. Which of the following represents an Archemedian spiral?

Correct : C. mosquito coil

47. Which of the following does not represents an Archemedian spiral?

Correct : D. cyclone

48. Match the following. Given points are about spirals.

Correct : D. 1, iv; 2, i; 3, ii; 4, iii

49. Fermat’s spiral iv. r=Ɵ1/2

Correct : C. 1, iv; 2, i; 3, ii; 4, iii

50. Cyclone iv. Lituus spiral

Correct : B. 1, ii; 2, iii; 3, i; 4, iv

51. Logarithmic spiral is also called Equiangular spiral.

Correct : A. true

52. In logarithmic Spiral, the radius vectors are in arithmetical progression.

Correct : B. false

53. The mosquito coil we generally see in house hold purposes and heating coils in electrical heater etc are generally which spiral.

Correct : D. archemedian spiral

54. The sections cut by a plane on a right circular cone are called as

Correct : B. conic sections

55. Which of the following is a conic section?

Correct : A. circle

56. In conics, the            is revolving to form two anti-parallel cones joined at the apex.

Correct : C. generator

57. While cutting, if the plane is at an angle and it cuts all the generators, then the conic formed is called as

Correct : B. ellipse

58. When the plane cuts the cone at angle parallel to the axis of the cone, then            is formed.

Correct : A. hyperbola

59. Which of the following is not a conic section?

Correct : A. apex

60. The locus of point moving in a plane such that the distance between a fixed point and a fixed straight line is constant is called as

Correct : A. conic

61. The ratio of the distance from the focus to the distance from the directrix is called as eccentricity.

Correct : A. true

62. Which of the following conics has an eccentricity of unity?

Correct : B. parabola

63. Which of the following has an eccentricity less than one?

Correct : D. ellipse

64. If the distance from the focus is 10 units and the distance from the directrix is 30 units, then what is the eccentricity?

Correct : A. 0.3333

65. If the value of eccentricity is 12, then what is the name of the conic?

Correct : B. hyperbola

66. If the distance from the focus is 3 units and the distance from the directrix is 3 units, then how much is the eccentricity?

Correct : C. unity

67. If the distance from the focus is 2 mm and the distance from the directrix is 0.5 mm then what is the name of the conic section?

Correct : D. hyperbola

68. Which of the following is a conic section?

Correct : B. circle

69. If the distance from the focus is 10 units and the distance from the directrix is 30 units, then what is the name of the conic?

Correct : D. ellipse

70. If the distance from the focus is 2 mm and the distance from the directrix is 0.5 mm then what is the value of eccentricity?

Correct : B. 4

71. If the distance from the focus is 3 units and the distance from the directrix is 3 units, then what is the name of the conic section?

Correct : D. parabola

72. If the distance from the directrix is 5 units and the distance from the focus is 3 units then what is the name of the conic section?

Correct : A. ellipse

73. If the distance from a fixed point is greater than the distance from a fixed straight line then what is the name of the conic section?

Correct : C. hyperbola

74. If the distance from a fixed straight line is equal to the distance from a fixed point then what is the name of the conic section?

Correct : B. parabola

75. If the distance from the directrix is greater than the distance from the focus then what is the value of eccentricity?

Correct : B. less than one

76. If the distance from the directrix is 5 units and the distance from the focus is 3 units then what is the value of eccentricity?

Correct : C. 0.60

77. If the distance from a fixed straight line is 5mm and the distance from a fixed point is 14mm then what is the name of the conic section?

Correct : A. hyperbola

78. If the distance from the directrix is greater than the distance from the focus then what is the name of the conic section?

Correct : C. ellipse

79. If the distance from a fixed straight line is equal to the distance from a fixed point then what is the value of eccentricity?

Correct : A. unity

80. If the distance from a fixed point is greater than the distance from a fixed straight line then what is the value of eccentricity?

Correct : D. greater than one

81. The cross-section is a                    when a plane is inclined to the axis and cuts all the generators of a regular cone.

Correct : D. ellipse

82. The curve formed when eccentricity is equal to one is

Correct : A. parabola

83. The cross-section gives a                       when the cutting plane is parallel to axis of cone.

Correct : B. hyperbola

84. The curve which has eccentricity zero is

Correct : D. circle

85. Rectangular hyperbola is one of the hyperbola but the asymptotes are perpendicular in case of rectangular hyperbola.

Correct : A. true

86. The straight lines which are drawn from various points on the contour of an object to meet a plane are called as

Correct : B. projectors

87. When the projectors are parallel to each other and also perpendicular to the plane, the projection is called

Correct : D. orthographic projection

88. In the Oblique projection an object is represented by how many views?

Correct : A. one view

89. The object we see in our surrounding usually without drawing came under which projection?

Correct : A. perspective projection

90. In orthographic projection, each projection view represents how many dimensions of an object?

Correct : B. 2

91. In orthographic projection an object is represented by two or three views on different planes which

Correct : B. are mutually perpendicular projection planes

92. To represent the object on paper by orthographic projection the horizontal plane (H.P) should be placed in which way?

Correct : A. the h.p is turned in a clockwise direction up to 90 degrees

93. The hidden parts inside or back side of object while represented in orthographic projection are represented by which line?

Correct : C. dashed thin line

94. Orthographic projection is the representation of two or more views on the mutual perpendicular projection planes.

Correct : A. true

95. In perspective projection and oblique projection, the projectors are not parallel to each other.

Correct : B. false

96. What is additional 3rd view on orthographic projection in general for simple objects?

Correct : C. side view

97. The front view of an object is shown on which plane?

Correct : B. vertical plane

98. The Top view of an object is shown on which plane?

Correct : C. horizontal plane

99. The side view of an object is shown on which plane?

Correct : A. profile plane

100. The 3rd quadrant is in which position?

Correct : A. below h.p, behind v.p