Technical Drawing - Exam Papers - Higher - 2007 - Building

Question 2

  

Fig. 2 shows the outline plan and elevation of roof surfaces.

(a) Surfaces A and C have pitches of 40° and 50° respectively.
Draw the plan and elevation of roof surface A.

(b) Surface B has a pitch of 45°.
Draw the plan and elevation of roof surface B and determine the dihedral angle between surfaces A and B.

(c) The dihedral angle between the surfaces A and D is 120°.
Complete the plan and elevation of surfaces C and D.

(d) The dihedral angle between the surfaces E and F is 140°.
Complete the plan and elevation.

Scale 1 : 100

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