Technical Drawing - Exam Papers - Higher - 1997 - Paper 1

Question 1

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GIven the horizontal and vertical projectIons of two planes ABC and DEF.

A = 260 - 5 - 80
B = 215 - 90 - 25
C = 150 - 25 - 55
D = 200 - 10 - 15
E = 250 - 55 - 95
F = 140 - 70 - 35

(a) Determine the line of intersection between the planes.

(b) Determine the dihedral angle between the planes.

(c) Determine the horizontal trace and the vertical trace of a plane which passes through the points B, C and E.

(d) On a separate diagram, draw the projections of the skew lines AC and DE and show the projections of the shortest horizontal distance between them.

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