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Design and Communication Technology · Quick practice · answer shown after each question

Orthographic projection and conventions

Question 1 of 10

Projection lines between views are drawn as

A. chain lines B. thick outlines C. thin construction lines D. hidden lines

Question 2 of 10

A sectional view shows

A. only outside edges B. internal details by cutting the object C. colour D. a perspective

Question 3 of 10

In a dimensioned drawing, the symbol Ø before a number means

A. angle B. radius C. square D. diameter

Question 4 of 10

On engineering drawings in Ghana, dimensions are normally given in

A. metres B. inches C. centimetres D. millimetres

Question 5 of 10

Dimensions should be placed

A. nowhere B. inside every shape C. on hidden lines D. outside the view where possible

Question 6 of 10

In first-angle projection, the plan is drawn

A. nowhere B. above the front elevation C. to the left of the plan D. below the front elevation

Question 7 of 10

Centre lines are drawn as

A. thin chain lines (long dash, short dash) B. thick dashed lines C. zigzag lines D. double lines

Question 8 of 10

Hidden edges in an orthographic drawing are shown with

A. thick continuous lines B. short dashed lines C. chain lines (long and short dashes) D. wavy lines

Question 9 of 10

Dimension lines are drawn as

A. dashed lines B. thick lines C. thin continuous lines with arrowheads D. chain lines

Question 10 of 10

Hidden edges are shown by

A. thick continuous lines B. thin dashed lines C. chain lines D. wavy lines

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New set of questions

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.

Past questions, worked solutions and curriculum-mapped study material for JHS and SHS students and teachers in Ghana.

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