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Scaffolds and Barricades Quiz

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Questions and Answers

What is a scaffold?

An elevated temporary work platform and its supporting structure (correct)

A type of ladder commonly used in construction

A type of rope used for climbing up structures

A safety net to prevent falls in construction sites

Which type of scaffold is hung with cord from the ceiling or top of a structure?

Suspended scaffold

Scissor lift

Aerial lift

Supported scaffold (correct)

What is the main risk associated with falls from elevation on scaffolds?

Falling tools and debris

Overloading of the scaffold

Unsafe access and lack of fall protection (correct)

Instability caused by bad planking

Which type of scaffold collapse is often caused by instability or overloading?

Supported scaffold Signup and view all the answers

What is the purpose of guardrails on a scaffold?

To prevent falls from the front edge of the platform Signup and view all the answers

What should be the height of the top rail on guardrails according to safety standards?

Between 38 and 45 inches Signup and view all the answers

What is the minimum height requirement for ramps and walkways to have guardrails?

6 feet Signup and view all the answers

Which of the following statements about scaffold platform construction is correct?

Platforms must be fully planked Signup and view all the answers

What must scaffold poles, legs, posts, frames, and uprights be placed on?

Base plates and mud sills or other firm foundations Signup and view all the answers

What type of barricade is used to identify and protect personnel from general hazards and high-risk situations?

Soft barricades Signup and view all the answers

What is the purpose of a solid barricade?

To provide a physical barrier capable of performing the same function as a permanent guardrail Signup and view all the answers

Which of the following components must have guys, ties, and braces installed to provide restraint?

Horizontal scaffold components that support both inner and outer legs Signup and view all the answers

What is the purpose of caution barricades?

To inform personnel of an uncontrolled hazard within the barricaded area Signup and view all the answers

Which type of barricade is used to prevent access to electrical hazards?

Electrical work barricades Signup and view all the answers

What is the minimum requirement for barricades installed on roadways?

They must remain in place during hours of darkness Signup and view all the answers