TROUBLE IN THE PIPES

The video discusses the use of portable generators to defrost frozen water pipes, highlighting the method's safety compared to electrical defrosting. It also addresses the dangers of frozen gas pipes, which can fracture and cause gas poisoning. Solutions include experimenting with plastic and ductile iron pipes. The production of non-poisonous gas is underway but not expected to be widely available until 1970.

What is the main advantage of using portable generators for defrosting pipes?

• They are cheaper than electrical defrosting.

• They use high voltage to quickly melt ice.

• They avoid the risk of fire associated with electrical methods.

• They can be used without any attachments.

What is a significant risk associated with frozen gas pipes?

• They can cause water contamination.

• They require frequent maintenance.

• They may lead to gas poisoning due to fractures.

• They are more expensive to repair.

What material is being tested to replace old cast iron gas pipes?

• Copper

• Aluminum

• Plastic

• Steel

Why is ductile iron preferred over cast iron for gas pipes?

• It conducts electricity better.

• It resists corrosion and won't fracture.

• It is cheaper to produce.

• It is lighter in weight.

When is the production of non-poisonous gas expected to be in general use?

• By 1965

• By 1970

• By 1980

• By 1990