中国大学MOOC: When dimensioning the size which is not made of full scale, we need calculate the dimension figure carefully according the scale.

When dimensioning the size which is not made of full scale, we need calculate the dimension figure carefully according the scale. A: 正确 B: 错误

Select the better figure when considering dimensioning rule.[img=269x189]1803a0cd800d40d.png[/img] A: (1) B: (2) C: all good D: all not good

When dimensioning an angle, how should the dimension number of the angle be written? A: Write it horizontally (with its prefix up) B: Write it vertically (with its prefix to the left) C: Write it perpendicular to the dimension line D: You can write it any way you like