Question

(b) What are the two systems of placing dimensions on a drawing?
(c) What is the ratio of length and height of the arrowhead?
(d) Define the scale and their types.​

Answer 1

Answer:

B) The two systems of placing dimensions are aligned system and unidirectional system. In the aligned system, the dimension is placed perpendicular to the dimension line. In the unidirectional system, all dimensions are placed such that they can be read from the bottom of the drawing sheet

Answer 2

Answer:

d- A map scale is a ratio of the distance between two places to the actual distance on the ground. The types are-

1. verbal scale.

2. linear or graphic scale.

3. representative fraction.