Introducing 

Prezi AI.

Your new presentation assistant.

Refine, enhance, and tailor your content, source relevant images, and edit visuals quicker than ever before.

Loading…
Transcript

What shape is strongest for building structures?

Triangles are the strongest building structures.

List 4 types of cranes. Provide their uses and max load capacity.

Tower crane: Used to make tall buildings and max load is 2o tons

Crawler crane: Used because its movable and max load is 40 to 3500 tons

Floating Cranes: Used in port construction and bridge construction , max load is up to 9000 tons

Mounted crane: Used for mobility and max load is 14.5 to 1300 tons

What is a load chart when it comes to cranes?

Crane load charts is how much a crane can carry.

What makes crane structures strong?

The structure of the shape of the crane and also the materials made.

How do they build tower cranes?

What common shape do you see amongst crane designs?

The most common shape amongst crane designs is the triangle.

They build it by assembling a jib and machinery section. It then places a horizontal member on a 40 ft mast that consists of two mast sections.

How much can a tower crane lift?

Tower crane can lift 18 metric tons or 39,690 pounds.

What type of machine is a crane?

The crane is a simple machine or a pulley machine.

How does a crane balance?

How do pulleys work?

It balances by having a large load on the other side of the crane, it works like a scale.

Pulleys works by once the rope has been pulled it lifts the weight up

How much do tower crane operators make?

24.06$ an hour and 50,040$ a year

Is a crane a pulley?

A crane is a pulley.

How do tower cranes work?

Who invented the first crane?

The ancient Greeks invented it first.

Tower cranes work by hanging weight on the jib to balance the counterweight.

What is a tower crane?

A tower crane is a rotatable cantilever jib on top of a steelwork tower used on building sites where the operator need to command a good view of the site.

All about Cranes

add logo here

Learn more about creating dynamic, engaging presentations with Prezi