მიმთითებელი ნიშნები

How many removable driven elements does the single-bucket universal excavator have?

1. 1 3 and more than 3
2. 2 From 1 to 3
3. 3 Less than 3
4. 4 From 2 to 2

Principal parts of single-bucket excavator of rope hanging are:

1. 1 Propultion unit
2. 2 Support-rotation
3. 3 Transmission
4. 4 Drive

Operating device of universal single-bucket excavator is:

1. 1 A bucket with tilted shovel
2. 2 Dragline
3. 3 Clamshell
4. 4 A bucket with direct shovel

Cutting elements of continuous excavators are:

1. 1 Knives
2. 2 Buckets
3. 3 Scrapers