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Engineering Drawing Practice Test: Loci of Points & Orthographic Projections
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Loci of Points & Orthographic Projections topics include: Loci points, bis code, orthographic projections basics and problems, first and third angle projection method.

The locus of a point is the low side of the point for the end of a link. 

Orthographic projection is a way to represent 3D objects in 2D. It's a type of parallel projection where all the projection lines are perpendicular to the projection plane. The result is that every plane of the scene appears in affine transformation on the viewing surface. 

Engineering Drawing Practice Test: Loci of Points & Orthographic Projections
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25 Questions

1. The positions of right side view and front view of an object kept in 3rd quadrant and projection are drawn?
2. An object is kept in one of the quadrants of principal planes of projection, for the front view the view is first and object is next and for top view the object came first and then the view on plane (the observer is at top right side of principal planes). The object is in which quadrant?
3. In orthographic projection an object is represented by two or three views on different planes which _________________
4. Where is the position of bottom view in 3rd angle projection?
5. IS 15021: Part 2: 2001 is standard for _________________________
6. Locus of the point P such that the sum of distances from two fixed points is always constant is __________
7. IS 11664: 1986 is standard for __________________
8. In 3rd angle projection, the front view will be below the top view.
9. In 3rd angle projection the _________ lies between ___________ and ____________
10. The negative horizontal plane and positive horizontal makes _____ angle with each other.
11. A Square pyramid is resting on vertical plane with base parallel to vertical plane. The side view will be _____________
12. If an object is placed in 1st quadrant such that one of the surfaces of object is coinciding with vertical plane, what is the correct position of views from the following?
13. The locus of point P whose perpendicular distance from a fixed line and distance from a point T is equal is _______________
14. To represent the object on paper by orthographic projection the horizontal plane (H.P) should be placed in which way?
15. The side view of an object is shown on which plane?
16. Where is the position of bottom view in 1st angle projection?
17. In 3rd angle projection, the left side view will be left side of front view.
18. IS 10713: 1983/ISO 5455: 1979 is standard for____________________
19. In 1st angle projection the _________ lies between ___________ and ____________
20. A sliding member AB has attached to a rocker BC, this BC is attached to crank CD. D is fixed end and as crank is rotating about D the slider slides parallel to it. What is the locus of C?
21. In 3rd angle projection, the positions of front view and top views are?
22. The straight lines which are drawn from various points on the contour of an object to meet a plane are called as _________
23. In which year the B.I.S. standard got revised and recommended the use of third angle projection method?
24. The line formed by intersection of principal planes is called _____________
25. In orthographic projection, each projection view represents how many dimensions of an object?