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?

<p>Supported scaffold (D)</p> Signup and view all the answers

What is the purpose of guardrails on a scaffold?

<p>To prevent falls from the front edge of the platform (D)</p> Signup and view all the answers

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

<p>Between 38 and 45 inches (D)</p> Signup and view all the answers

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

<p>6 feet (A)</p> Signup and view all the answers

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

<p>Platforms must be fully planked (A)</p> Signup and view all the answers

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

<p>Base plates and mud sills or other firm foundations (D)</p> Signup and view all the answers

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

<p>Soft barricades (D)</p> Signup and view all the answers

What is the purpose of a solid barricade?

<p>To provide a physical barrier capable of performing the same function as a permanent guardrail (A)</p> Signup and view all the answers

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

<p>Horizontal scaffold components that support both inner and outer legs (D)</p> Signup and view all the answers

What is the purpose of caution barricades?

<p>To inform personnel of an uncontrolled hazard within the barricaded area (B)</p> Signup and view all the answers

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

<p>Electrical work barricades (A)</p> Signup and view all the answers

What is the minimum requirement for barricades installed on roadways?

<p>They must remain in place during hours of darkness (B)</p> Signup and view all the answers

When should barricades be removed according to the procedure?

<p>Once they are no longer required (B)</p> Signup and view all the answers

What type of sign should be used for construction work areas?

<p>Danger - Construction work area signs (C)</p> Signup and view all the answers

Who is responsible for ensuring the maintenance of barricades?

<p>All of the above (D)</p> Signup and view all the answers

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