Isometric Projection

This quiz contains multiple-choice problems on the isometric axes, lines, planes and isometric drawings of planes, prisms, pyramids, cylinders, cones and spheres.

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The angle between the isometric axes is

180 degrees

60 degrees

90 degrees

120 degrees

The value of the ratio of isometric length to true length is

0.141

0.372

0.815

0.642

The length of a line in isometric drawing is 20 cm. What is its true length?

24.53 cm

15.46 cm

19.31 cm

23.09 cm

The lines parallel to isometric axes are called __ lines.

Parallel

Auxiliary

Isometric

Oblique

In the isometric view of a cube drawn, the angle between the edge of the cube and the horizontal will be

15 degrees

120 degrees

45 degrees

30 degrees

The true length of a cube’s edge is 15 cm. What is its isometric length?

17.78 cm

14.48 cm

12.99 cm

12.22 cm

The planes parallel to any of the two isometric lines are called __ planes.

Parallel

Auxiliary

Isometric

Oblique

The isometric view of a cube is drawn. The angle between the edge of cube and vertical will be

15 degrees

120 degrees

60 degrees

30 degrees

The true length of a line is 30 cm and its isometric view is drawn. How much of its length is reduced?

24.45 cm

25.98 cm

4.01 cm

5.55 cm

We observe objects in nature through the isometric perspective. True or false?

True

False

The isometric view of a cube is drawn. The angle between its adjacent edges are __ and __

90 degrees, 120 degrees

60 degrees, 120 degrees

120 degrees, 120 degrees

90 degrees, 30 degrees

The isometric view of a cube is drawn, and the faces of the cube are seen as

Square

Rectangle

Rhombus

Parallelogram

If the isometric projection of an object is drawn with true lengths, its shape would be the same. But how bigger would it be compared to the actual isometric projection?

25%

29.5%

22.5%

33.3%

If an isometric projection is drawn with true measurements but not with an isometric scale, then the drawings are called

Isometric projection

Isometric view

Isometric perception

Orthographic view

The true length of a line is 40 cm. In its isometric view, the length would decrease to

28.28 cm

32.6 cm