Overhead Crane Practice Test

Question: 1 / 400

What is "2-blocking" in crane operation?

When the hook block contacts the load.

When the crane reaches its maximum lifting capacity.

When the hook block contacts the upper block, posing safety risks.

"2-blocking" refers to the situation where the hook block comes into contact with the upper block of the crane's hoisting system. This occurrence creates a significant safety hazard during crane operation. When the hook block makes contact with the upper block, it can lead to the potential failure of the crane's rigging components, causing the load to drop or the crane to collapse.

Understanding this concept is crucial for crane operators as it emphasizes the importance of monitoring the vertical movement of the hoist and ensuring that there is a safe distance maintained between the hook and the upper block. Proper training and adherence to operating procedures can help prevent 2-blocking, thereby enhancing safety on the job site.

Get further explanation with Examzify DeepDiveBeta

A term for failing to secure a load properly.

Next Question

Report this question

Download Overhead Crane Practice Test PDF Study Guide
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy