Plumbing Systems Quiz phase 2 1.4 pt 1

To which standard are open vented hot water cylinders manufactured?

• BS 1566-1:2002+A1:2011

• ISO 9001:2015

• ASTM D1785

• EN 10204:2004

What type of cylinders are mentioned for domestic purposes?

• Copper indirect cylinders

• Steel direct cylinders

• Plastic indirect cylinders

• Aluminum direct cylinders

How many grades of open vented hot water cylinders are mentioned?

• 2

• 3

• 4

• 5

What is the operating pressure for Grade 1?

• 2.5 bar

• 1.5 bar

• 1.0 bar

• 3.0 bar

What is the operating pressure for Grade 2?

• 2.5 bar

• 1.5 bar

• 1.0 bar

• 3.0 bar

What is the operating pressure for Grade 3?

• 2.5 bar

• 1.5 bar

• 1.0 bar

• 3.0 bar

What is a characteristic of a direct cylinder?

• Contains a heat exchanger

• Water is heated directly by an immersion heater

• Suitable for heating systems

• Uses a gas burner for heating

How is water heated in a direct cylinder?

• By a heat exchanger

• By a gas burner

• By an immersion heater or water only boiler

• By solar panels

Why is a direct cylinder not suitable for heating systems?

• It contains a heat exchanger

• It uses solar energy

• It does not contain a heat exchanger

• It is too small

What type of heat exchanger does a Double Feed Indirect Cylinder contain?

• Plate heat exchanger

• Coil heat exchanger

• Shell and tube heat exchanger

• Air-cooled heat exchanger