Unit 113 - Plumbing Science

If water is heated to 100 Degrees C it becomes ?

• Steam

• Ice

• A Liquid

• Pure

What is the cold water drawn from your kitchen tap described as ?

• Pure

• Wholesome

• Drinking

• Sparkling

Water that has frozen expands by ?

• 100%

• 50%

• 10%

• 1%

What is the scale called that indicates what is an Acid or an Alkaline ?

• Ph Scale

• Weighing Scale

• Fish Scale

• Temperature Scale

What process makes the solder run when connecting soldered copper fitting together ?

• Compressive Force

• Gravity

• Capillary Attraction

• Gluing

What colour absorbs heat better ?

• White

• Red

• Blue

• Black

Why do we put lagging insulation on pipework and hot water cylinders ?

There is two correct answers.

• Cool the surface

• Protect from frost

• To prevent heat loss

• To make them look nice

What are most toilet pans and cisterns made of ?

• Metal

• Ceramic

• Thermoplasic

• Rubber

Metal plumbing tools, i.e Spanners, Grips are made of what materials ?

• Hard

• Ductile

• Malleable

• Insulated

Copper plumbing fittings are ?

• Ductile

• Malleable

• Hard

• An insulator