Scale Drawings Flashcard

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or area that is proportionally reduced or enlarged to fit on paper, using a specific ratio to represent actual dimensions.

Front

What does the term 'scale' mean in the context of drawings?

Back

In drawings, 'scale' refers to the ratio of the size of the drawing to the size of the actual object. For example, a scale of 1 inch to 20 feet means 1 inch on the drawing represents 20 feet in reality.

Front

If a blueprint shows a building length of 9 inches at a scale of 1 inch = 20 feet, what is the actual length?

Back

180 feet.

Front

How do you calculate the actual distance between two points on a map?

Back

Multiply the distance on the map by the scale factor. For example, if the scale is 1 inch = 5 miles and two cities are 3 inches apart, the actual distance is 3 inches x 5 miles/inch = 15 miles.

Front

What are the dimensions of a classroom that is 12 meters by 15 meters when drawn to a scale of 1 cm to 3 meters?

Back

4 cm by 5 cm.

Front

If a map has a scale of 1 cm = 8 km and two locations are 24 cm apart, how far apart are they in reality?

Back

192 km.

Front

What is the actual size of a park that measures 5 cm by 7 cm on a scale drawing where 1 cm represents 8 meters?

Back

40 meters by 56 meters.

Front

What is the formula to convert measurements from a scale drawing to actual size?

Back

Actual size = Measurement on drawing x Scale factor.

Front

What is the importance of using a scale in drawings?

Back

Using a scale allows for accurate representation of large objects or areas on a smaller medium, making it easier to visualize and plan.

Front

How do you determine the scale of a drawing?

Back

The scale can be determined by comparing a known measurement on the drawing to its actual size. For example, if 1 inch on the drawing equals 10 feet in reality, the scale is 1 inch = 10 feet.