What are the two types of venting systems for hot water systems?

• Vented or unvented

• Open or closed

• Pressurized or non-pressurized

• Sealed or unsealed

What are the two types of storage systems for hot water systems?

• Storage or instantaneous

• Permanent or temporary

• Fixed or mobile

• Static or dynamic

What are the two types of localization for hot water systems?

• Localised or centralised

• Regional or global

• Internal or external

• Domestic or international

What are the two types of direction for hot water systems?

• A) Direct or indirect

• B) Forward or backward

• C) Upward or downward

• D) Inward or outward

What are the types of heating methods for hot water systems?

• Electrically, gas, oil, or solar heated

• Coal, wood, nuclear, or wind heated

• Geothermal, hydroelectric, tidal, or biomass heated

• Steam, diesel, propane, or kerosene heated

What does the term 'Domestic' services refer to in I&C applications?

• Services related to household applications

• Services related to industrial applications

• Services related to commercial applications

• Services related to international applications

True or False: The term 'Domestic Hot Water (DHW) System' refers to a system in a dwelling.

• True

• False

The term DHW comes from which of the following?

• Domestic Hot Water

• Direct Hot Water

• Dynamic Hot Water

• Distributed Hot Water

What is a calorifier described as?

• A small cold cylinder

• A large hot water cylinder

• A medium-sized gas cylinder

• A small hot water cylinder

Normally, storage calorifiers are used for ______ systems.