Plumbing level 2 - PP4 - Central Heating

Plumbing level 2 - PP4 - Central Heating

University

10 Qs

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Plumbing level 2 - PP4 - Central Heating

Plumbing level 2 - PP4 - Central Heating

Assessment

Quiz

Professional Development

University

Practice Problem

Medium

Created by

Byron Morris

Used 23+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the full bore valves on either side of the pump flanges?

To maintain the watertight seal

To allow the pump to be removed without draining the system

To add inhibitor to the system water

To test the level of inhibitor in the system

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if air is drawn into the system water?

Corrosion will take place

The pump will switch off

The boiler will cycle

The system will operate under positive pressure

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is added to the system water to reduce corrosion and the build-up of scale?

Magnetite

Inhibitor

Iron

Oxygen

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where is the neutral point of the system located?

At the base of the cold feed

At the top of the vent pipe

Next to the pump

In the boiler

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of magnetite in the system?

It will increase the flow

It will reduce the need for inhibitor

It will block components and cause cool/cold areas on radiators

It will prevent corrosion

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of a two port motorised valve?

To add inhibitor to the system water

To allow water from the boiler to circulate around the pipework

To test the level of inhibitor in the system

To control the flow of water to both heating and hot water circuits

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when both the room thermostat and the cylinder thermostat are satisfied?

The zone valves will open

The boiler will switch on

The circulator will switch on

The zone valves will close

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