From the following, which would not be inspected for noises made from pipe expansions?

At what velocity can the flow of water become audible?

In order to comply with BS6700, what can be done to the system to reduce the velocity of water?

In the case of a single feed cylinder needing to be replaced, which alternative cylinder can be installed instead?

If there is no hot water from a basin tap on a indirect pumped system, what would be the fault from the following?

On an indirect cylinder, the customer would not notice the back-up heat source is faulty until it is required. What is the back-up heat source on an indirect cylinder?

An indicator that there is a fault from the heat exchange coil would be?

If the cylinder thermostat is faulty, what temperature would the boiler thermostat shut off the system?

Which British Standards states that the hot pipe should be above the cold pipework, and that if there is any possibility of heat transfer the pipe should be insulated?

Air locks are common situations where the are slight rises in _____________

If hard water is heated above _____, it begins to form limescale.

A base exchange unit can be commonly known as?

The only true way of totally preventing limescale is to install?

Statement: The Electrical scale inhibitors produce a low level radio wave, not a minor electrical current.

Statement: The only means of filtering the water is through plumbed-in components throughout the plumbing system.