第五章测试1.
How much is the inclined angle of hatching for the commonly used metallic material
A:60° B:30° C:45° D:90°
答案:C
2.
An object be represented as local section in the condition that both the outside and inside are complex, and its structure is not symmetry
A:错 B:对 3.
when several parallel cutting planes are used to cut, there will be a bold line at the corner of turning point.
A:错 B:对 4.
Superposition cut is represented as thick line and is put inside the original view
A:错 B:对 5.
The arrow head can be omitted when the cut structure is symmetry,
A:错 B:对 6.
The cut is represented only on the croosection, but the section is represented for all the visible outlines
A:对 B:错 7.
When a cutting plane pass through symmetric position of a rib, there should be no hatching on the area of the rib.
A:对 B:错 8.
The position of labeling the name letters for a sectional view should be above its view
A:错 B:对 9.
When a cutting plane pass through the symmetric position, the labeling location symbols can be omitted.
A:对 B:错 10.
When a inclined cutting plane is used, the inclined sectional view can be rotated at an angle of less than 45°.
A:对 B:错
