The pascal can be expressed in units of:

A non-ferrous metal is a metal that does not contain:

Which of the following is NOT a 'Pure Metal'?

Ferrous metals are magnetic and if not treated will:

Which of the following has the highest coefficient of linear expansion?

A mixture of two or more metals is known as:

A copper and zinc mix make what alloy metal?

A carbon and iron mix make what alloy metal

Which of these thermoplastics do NOT degrade in sunlight?

Weight is the force, it is measured in:

Gravity is measured in Newtons. How many Newtons(N) are there to 1Kg?

1Kg = ___

In terms of Relative Density, water has a density of 1.

If solid or liquid has a density of 0.6 it would:

The specific heat value of water is?

How much does a piece of material expand by when heated is known as?

________ occurs when water, iron and oxygen are together.

Which of these are NOT one of the ways of preventing corrosion?

In a hot water cylinder, a sacrificial anode is installed. It is made of what material?

When water exceeds 100°C it can turn to steam. It can expand almost how many times the original volume?

The chemical compound for water is: (select 2)

If water is heated to 65°C and above, it will form limescale. What type of water is this classed as?

Temporary hardness contains __________ and can be removed by heating the water above 65°C.

Pressure is measured in:

Intensity of Pressure (N/m²) is measured as:

If your BAR pressure is at 1.5, what is your head height?

At sea level the atmospheric pressure is :

1 litre of water equals:

Statement: A 90° pulled bend creates more resistance than an elbow fitting.

How much heat is required to raise 15kg of water from 20°C to 60°C if the specific heat capacity of water is 4.2kJ/kg/°C?

Which of the following metals is the best conductor of heat?

A combination boiler requires a minimum incoming water pressure of 0.8 bar to work correctly. What is this expressed in metres head of water?

The rate of electrolytic corrosion between two dissimilar metals in the presence of water will be dependent on:

The relative density of a substance is:

____________ happens when heat travels through or along a material.

From the following, which is the WORST conductor?

__________ occurs because when molecules are heated, they heat and rise, and when they cool they fall.

___________ is heat transfer via infrared light. It transfers heat from one body to another without heating the space in between.

Heat is scientifically measured in:

STATEMENT: Lighter colours absorb more heat than darker colours.

Heat transfer is controlled by Building Regulations Part:

STATEMENT: Butane gas burns hotter than Propane gas.

__________ is commonly used in domestic properties for boilers and cooker fuel

The Ohm's Law triangle is shown as:

STATEMENT: (DC)Direct current is fed from mains electricity.

The intensity of pressure at a 15mm bib tap supplied from a storage cistern creating 5m head of water is:

Siphonage is used in which of the following plumbing components?

Permanent hardness can occur as a result of which type of salts being taken into solution?

When water changes to steam it can expand by up to how many times its original volume?

When a substance changes from a liquid to a gas, its molecules:

Which of the following will create the greatest frictional resistance to the low of water in a hot water system?

Which of the following is not a ferrous metal?

What is the SI unit of electrical current?

What is the approximate fuse rating required for a pump rated at 700 watts, fed from a 240v supply?

10 metres head of water creates approximately how many bars of water pressure?

An alloy metal is:

When water changes from a liquid to a solid, it can expand by:

Water is at its maximum density at:

The image shown is called:

Water freezes at:

Celcius to Kelvin comparison is:

When two or more metals are mixed together, it is called?

In a domestic hot water cylinder, what material is the sacrificial anode generally made of?

A ferrous metal may corrode (rust) if not treated, this is because it contains:

The relative density of water is?

The boiling point for water at sea level is?

Water is at it's maximum density at what temperature?

Hard water is produced when rainwater falls onto which type of ground?

Calcium carbonate begins to leave hard water at what temperature?

When a substance is heated to a temperature that brings about a physical change, it is known as?

The only true way to soften water is?

(Head height x Gravity) is used to calculate what?

If three CWSC have the same capacity of water, the cistern with the smallest base area will offer:

What is the atmospheric pressure when at sea level?

STATEMENT: A solid material exerts the same pressure as a liquid.

Which of the following gases burns too hot to use in soldering?

Of these gases, which has a calorific value of 95MJ/m³?

Which of the following does NOT need any form of ventilation?

The amount of heat produced by a specific amount of fuel is known as?

If an appliance needs 2.4kW in a domestic property, what

is the fuse size?

In a domestic property, an appliance has a fuse size of

5 amp. What is the maximum power rating of the

appliance?

What would be the resistance of a domestic appliance if

the fuse size was 6 amp?

STATEMENT: The cathode in a battery eats the anode

How is DC electricity produced?

When installing guttering, which of the following should be taken into consideration?

What type of water do you have if the pH level of water was at 3?

The SI unit for measuring electrical power is:

Improper flushing of the system and not cleaning the pipes after soldering will result in:

What is the chemical symbol for steel?

STATEMENT: The higher your altitude, the higher the boiling point of water (°C).

STATEMENT: Adding antifreeze will not only lower the freezing point but increase the boiling point.