214 ppt7 System information & service pipework layout

What is the symbol for a gate valve?

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Which valve is represented by a symbol with two triangles facing each other?

• Gate valve

• Stop valve

• Double check valve

• Motorised zone valve

Identify the symbol for a safety/relief valve.

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Which valve is used to prevent backflow and is represented by a single arrow?

• Service valve

• Single check valve

• Motorised zone valve

• Drain valve

What does the symbol with a triangle and a line represent in plumbing drawings?

• Radiator valve

• Water meter

• Pump

• Expansion vessel

Which symbol is used to represent a pump in plumbing diagrams?

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Identify the symbol that represents a water meter in plumbing drawings.

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What does the symbol with a circle and a line through it represent?

• Expansion vessel

• Float-operated valve

• Pump

• Radiator valve

What does the term "isometric" refer to in technical drawings?

• 2D objects on plans

• 3D objects on plans

• 1D objects on plans

• 4D objects on plans

Who uses isometric drawings to show spare parts?

• Engineers

• Manufacturers

• Artists

• Teachers