7) Thin chain line find its application as

centre lines

Lines of symmetry

Trajectories

All of the above

Answer is:

All of the above

Explanation:

Thin chain line find its application as
* centre lines
* Lines of symmetry
* Trajectories

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8) Elements of dimensioning includes

Projection lines

Leader lines

Termination of the dimension line

All of the above

Answer is:

All of the above

Explanation:

Elements of dimensioning includes Projection lines, Leader lines and Termination of the dimension line.

9) The line of intersection of the horizontal plane (HP) and Vertical plane (VP) is represented by

XY-Line

XX-YY Line

both (A) and (B)

None of the above

Answer is:

XY-Line

Explanation:

The point at which the X- axis or the horizontal line and Y - axis or vertical line intersects to determine the position of any point in the Cartesian plane is called " ORIGIN" . The line of intersection of the horizontal plane (HP) and Vertical plane (VP) is represented by XY-Line.