Question

The command ‘U’ is used for _____________________

(a) erases a portion of line, arc, circle or a 2D poly line between two selected points

(b) reverses the effects of a series of previously used commands

(c) breaking a poly line into individual segments

(d) editing of poly line properties

This question was addressed to me by my college director while I was bunking the class.

This intriguing question originated from Computer Aided Drawing in section Computer Aided Drawing, Riveted & Welded Joints of Engineering Drawing

Answer 1

The correct option is (b) reverses the effects of a series of previously used commands

Explanation: The command ‘U’ is used for reverses the effects of a series of previously used commands. Command ‘pedit’ is used for editing of poly line properties. Command ‘break’ is used for erases a portion of line, arc, circle or a 2D poly line between two selected points.