Cold Water Systems Quiz L3P2u5,2.6

What are the two reasons insulation on pipework is needed?

• To prevent the water from freezing and to protect the system from overheating

• To prevent the water from boiling and to protect the system from corrosion

• To prevent the water from evaporating and to protect the system from leaks

• To prevent the water from contaminating and to protect the system from blockages

Which of the following are vulnerable places within buildings where pipes will require insulating?

• Kitchens, bathrooms, and bedrooms

• Unheated cellars, roof spaces, under ventilated suspended floors, garages, and outbuildings

• Gardens, lawns, and driveways

• Living rooms, dining rooms, and hallways

How should cold water cisterns be insulated?

• With a wooden box

• With a PVC wrapped fibreglass jacket

• With a metal sheet covering

• With a plastic bag

Why do we remove roof insulation from below cisterns in roof spaces?

• To reduce the weight on the roof

• To improve the insulation of the roof

• To prevent the cistern from freezing

• To allow more heat to escape from the cistern

What is the recommended insulation material for pipework?

• PVC foam

• Expanded polystyrene

• Polisocyanurate foam

• Rigid phenolic foam

Which of the following is NOT a vulnerable place within a building where pipes may require insulation?

• Garage

• Roof space

• Unheated cellar

• Kitchen

What is the purpose of insulating pipework, fittings, and components?

• To increase water flow

• To reduce water pressure

• To delay the effects of warming or freezing

• To prevent water contamination

Which of the following insulation materials has the lowest thermal conductivity?

• Standard polyethylene foam

• Cellular glass

• Expanded nitrile rubber

• Expanded synthetic rubber

What is the purpose of insulating cold water cisterns?

• To prevent water contamination

• To reduce water pressure

• To delay the effects of warming or freezing

• To increase water flow

Which British Standard should pipework insulation conform to?

• BS5422

• BS5970

• BS9999

• BS1234