Pearson - 9Fa - Demolition

What is implosion in the context of building demolition?

• Causing the building to collapse in on itself with explosives

• Using a wrecking ball

• Progressively disassembling with a high reach arm

• Selective removal of building materials

Which technique is considered safer and more precise than using a wrecking ball?

• Crane and ball demolition

• Implosion with explosives

• High reach arm demolition

• Selective demolition

What is the primary objective of selective demolition?

• To recover reusable and recyclable materials in a safe and cost-effective manner

• To cause the building to collapse in on itself with explosives

• To disassemble the building with a wrecking ball

• To create a lot of dust, vibration, and noise

What is the weight of a typical wrecking ball used in demolition?

• 5,000 pounds

• 8,000 pounds

• 10,000 pounds

• 13,500 pounds

Why is demolition considered one of the most hazardous occupations in the world?

• Due to the high level of noise and vibration

• Because it involves the use of explosives

• Due to the potential risks to the demolition crew and surrounding areas

• Because it creates a lot of dust