Technical Drawing - Exam Papers - Higher - 1999 - Paper 1

Cycloids | Interpenetration | Exam Papers

Question 1

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Given the horizontal and vertical projections of two planes ABC and ADE.

A = 190 - 90 - 5
B = 205 - 55 - 75
C = 155 - 10 - 15
D 240 - 25 - 85
E 140 - 40 - 35

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

(b) Determine the dihedral angle between the planes.

(c) Show the projections of a horizontal line drawn from D, which is 40 mm long and is inclined at 60° to the line AD.

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

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