6035 | Scientific Principles | LO4, 5, 6.

LO4.

Through the transmission of heat from one molecule to another, this occurs due to:

• Convection heat

• Radiation

• Conductive heat

LO4.

The better conductors of heat allow the process of heat transfer to happen faster. Copper is the best, but from the following, which is the next best conductor of heat?

• Iron

• Aluminium

• Tin

• Steel

LO4.

Through the heat transferring from one body to another, without heating the spaces in between, is know as?

• Radiation

• Convectional heat

• Conductive heat

LO4.

The Building Regulation that requires the controls throughout the systems via programmers, thermostats, zone controls and TRVs is:

• Part J

• Part A

• Part C

• Part L

LO5.

The chemical reaction for combustion is Fuel + Heat + ______.

• Spark

• Propane

• Oxygen

• Flame

LO5.

The gas with the lowest "air to gas ratio" is?

• Propane

• Methane

• Butane

• Natural gas

LO5.

The total energy content produced in the form of heat when a substance is combusted is known as:

• Relative density

• Temperature of flame

• Specific heat value

• Calorific value

LO5.

Which of the following gases reaches the required temperatures for soldering?

• Methane

• Propane

• Butane

• Natural gas

LO6.

In an on-site setting, an appliance has a fuse size of 3 amp. What is the maximum power rating of the appliance?

LO6.

An appliance has a 4 amp fuse and needs 1.66kW of power. What is the voltage required?