When the line is inclined to both VP and HP and parallel to profile plane we get its true length in?

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1. When the line is parallel to any reference plane, projection in the same plane will appear as true length.
2. When the line is parallel to any reference plane, projection in the other plane will be a horizontal line.
3. When the line is perpendicular to any reference plane, projection in the same plane will appear as a point.
4. When a line is perpendicular to any reference plane, projection in the other plane will be a vertical line.

MCQ on Projections of Lines

1) When a line is parallel to HP and VP, its top view is in the form of______a) Point b) True lengthc) Reduced length

d) None of these

2) When a line is parallel to HP and VP, its true length will be in______a) TV only b) FV onlyc) Both TV and FV

d) Side view

3) When a line is parallel to HP and inclined to VP, its true length will be in____a) TV only b) FV onlyc) Both TV and FV

d) Side view

4) When a line is parallel to HP and inclined to VP, its reduced length will be in_____a) TV only b) FV onlyc) SV only

d) both FV and SV

5) When a line is parallel to VP and inclined to HP, its true length will be in_____a) TV only b) FV onlyc) SV only

d) both FV and SV

6) When a line is parallel to VP and inclined to HP, its reduced length will be in_____a) TV only b) FV onlyc) SV only

d) both TV and SV

7) When a line is perpendicular to HP, it is parallel to______a) VP only b) PP onlyc) HP only

d) both VP and PP

8) IF the given line is perpendicular to VP, its true length will appear in_______a) VP only b) PP onlyc) HP only

d) both HP and PP

9) IF the given line is perpendicular to VP, the point will appear in_______a) VP only b) PP onlyc) HP only

d) both HP and PP

10) For given line AB, end point A is 20 mm above HP and end point B is 20 mm above HP, then this line is _______________a) Parallel to VP b) Parallel to HPc) Perpendicular to HP

d) Perpendicular to VP

11) For given line AB, end point A is 20 mm in front of VP and end point B is 30 mm in front of VP , then this line is_______________a) Parallel to VP b) Inclined to VPc) Perpendicular to HP

d) Perpendicular to VP

12) For the given line AB of length 60 mm, endpoint A is 20 mm in front of VP and endpoint B is 30 mm in front of VP, then front view  __________a) Less than 60 mm b) Greater than 60 mmc) Equal to 60 mm

d) Can not say

13) For the given line AB of length 60 mm, endpoint A is 20 mm above HP and endpoint B is 20 mm above HP, then top view of this line is  __________a) Less than 60 mm b) Greater than 60 mmc) Equal to 60 mm

d) Can not say

14) For the given line AB of length 60 mm perpendicular to VP, endpoint A is 20 mm above HP and endpoint B is 20 mm above HP, then the front view of this line is __________a) point b) Greater than 60 mmc) Equal to 60 mm

d) Can not say

15) Is it possible for any line that its top view and front view are in the form of point?a) Yes

b) No

16) If a given line is perpendicular to HP its top view is_____a) Larger than its actual length b) Smaller than its actual lengthc) Equal to its actual length

d) point

17) If a given line is perpendicular to VP its top view is_____a) Larger than its actual length b) Smaller than its actual lengthc) Equal to its actual length

d) point

c) Equal to its actual length

18) If a given line is parallel to the profile plane and inclined to both horizontal and vertical plane its projection of true length will be in____a) HP b) VPc) PP

d) None of the above

19) If a given line is perpendicular to the profile plane its projection in the form of point will be in_____a) HP b) VPc) PP

d) None of the above

20) If the projection of line appears as a point in HP, the line is parallel to_____a) PP b) VPc) both PP and VP

d) None of the above

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MCQ Questions on Projection of Lines

1-Which one of the following position is not possible in projection of a line?

(A) Line perpendicular to HP, parallel to VP

(B) Line perpendicular to VP, parallel to HP

(C) Line parallel to both VP and HP

(D) Line perpendicular to both VP and HP

2-When the line is parallel to both VP and HP, we can get its True length in

(A) Top view

(B) Front view

(C) both (A) and (B)

(D) Side view

3-The top view of a line perpendicular to HP, is

(A) a line of shorter length

(B) a line having true length

(C) a point

(D) any of the above

4-The front view of a line perpendicular to HP, is

(A) a line of shorter length

(B) a line having true length

(C) a point

(D) any of the above

5-The front view of a line perpendicular to VP, is

(A) a line of shorter length

(B) a line of true length

(C) a point

(D) any of the above

6-The top view of a line perpendicular to VP, is

(A) a line of shorter length

(B) a line of true length

(C) a point

(D) any of the above

7-When the line is inclined to HP and parallel to VP, we gets its true length in

(A) front view

(B) top view

(C) side view

(D) none of the above

8-When the line is inclined to VP and parallel to HP, we gets its true length in

(A) front view

(B) top view

(C) side view

(D) none of the above

9-True inclination of a line with HP, is denoted by

(A) α

(B) β

(C) Φ

(D) θ

10-When the line is inclined to both VP and HP, and parallel to PP, we gets its true length in

(A) front view

(B) top view

(C) side view

(D) none of the above

11-Following method(s) is (are) used to find true length of a straight line

(A) Rotation method

(B) Trapezoidal method

(C) Both (A) and (B)

(D) None of the above

12-If a line is inclined to HP and parallel to VP, it will make

(A) Horizontal trace

(B) Vertical trace

(C) Both (A) and (B)

(D) None of the above

ANSWERS:

1-(D), 2-(C), 3-(C), 4-(B), 5-(C), 6-(B), 7-(A), 8-(B), 9-(D), 10-(C), 11-(C), 12-(A)