Question

Which one the following has its own prime movers and, thus, is capable of moving freely on the project sites?
1. Tower crane
2. Mobile crane
3. Lift
4. Wheel barrow

Answer 1

Correct Answer - Option 2 : Mobile crane

Tower Cranes: 

1. High lifting height and good working radius.

2. Taking up very limited area

3. Lifting capacity is low.

4. It is a form of balance crane.

Mobile Cranes: 

1. Used for railway work are adapted to travel on rail tracks.

2. It is mounted on mobile units - a pneumatic tired truck.

3. Suitable for small operations

Wheel Barrows: It is normally used on ground level i.e. road construction and other similar structures. This method is also not continuous.