Thin chain line find its application as

* centre lines

* Lines of symmetry

* Trajectories

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**7) **Thin chain line find its application as

**Answer is:**

## All of the above

**Explanation:**

**Related Engineering Drawing MCQ with Answers **

**Answer is:**

### All of the above

**Explanation:**

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

**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.

**Answer is:**

### 1991

**Explanation:**

The BIS has recommended FIRST ANGLE method of projection for technical drawings from the year 1991.

**Answer is:**