Worksheets6035 | Scientific Principles | LO4, 5, 6.
Total questions: 11
Worksheet time: 7mins
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?
(a)
LO6.
An appliance has a 4 amp fuse and needs 1.66kW of power. What is the voltage required?
(a)
LO6.
If an appliance had a fuse rated at 8 amp and the resistance was 30 ohms, what would the voltage be?
(a)
