Hot Water Systems Quiz L3P2U6,1.4;1

Which type of hot water cylinder cannot be used with heating systems?

• Single feed self-venting indirect cylinder

• Direct Cylinder

• Double Feed Indirect Cylinder

• Open vented hot water cylinders

Which hot water cylinder provides instantaneous hot water?

• Open vented hot water cylinders

• Thermal stores

• Direct Cylinder

• Double Feed Indirect Cylinder

Name the hot water cylinder that can be used where there is no roof space.

• Dual Coil Cylinders

• Combination units

• Direct Cylinder

• Open vented hot water cylinders

On a dual coil cylinder, which coil is used as back up in case of primary heat source failure?

• Both coils

• Bottom coil

• None of the above

• Top coil

Name the hot water cylinder that uses air entrapment to separate primary water from secondary water.

• Open vented hot water cylinders

• Double Feed Indirect Cylinder

• Single feed self-venting indirect cylinder

• Direct Cylinder

What is the operating pressure of Grade 1 open vented hot water cylinders?

• 1.5 bar

• 2.5 bar

• 3.0 bar

• 1.0 bar

What is the operating pressure of Grade 2 open vented hot water cylinders?

• 3.0 bar

• 2.5 bar

• 1.5 bar

• 1.0 bar

What is the operating pressure of Grade 3 open vented hot water cylinders?

• 2.5 bar

• 1.5 bar

• 1.0 bar

• 3.0 bar

Which type of hot water cylinder has a coil heat exchanger to heat the stored water indirectly?

• Single feed self-venting indirect cylinder

• Double Feed Indirect Cylinder

• Direct Cylinder

• Open vented hot water cylinders

Which type of hot water cylinder is suitable for systems with central heating?

• Open vented hot water cylinders

• Single feed self-venting indirect cylinder

• Double Feed Indirect Cylinder

• Direct Cylinder