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Know the principles of combustion and heating gases

Quiz by Ricky Fleet

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14 questions
Show answers
  • Q1
    Which one of the following is the combustion temperature of butane?
    1970 deg C
    2570 deg C
    1770 deg C
    2300 deg C
    30s
  • Q2
    What happens to the gas when you have a leak from an LPG bottle?
    The gas rises to the ceiling
    The gas lays at floor level
    The gas ignites
    The gas settles in the middle of the room
    30s
  • Q3
    What happens to the gas when you have a leak from a natural gas pipe?
    The gas lays at floor level
    The gas settles in the middle of the room
    The gas ignites
    The gas rises to the ceiling
    30s
  • Q4
    Which gas has the calorific value of 39Mj/M³?
    Butane
    Acetylene
    Natural gas
    Propane
    30s
  • Q5
    Combining a supply of oxygen, fuel and a source of ignition will result in what happening?
    Combustion
    Insulation
    Chlorination
    Convection
    30s
  • Q6
    Refrigerants are used in what?
    Solar Photovoltaic cells
    Ground source heat pumps
    Biomass boilers
    Gas boilers
    30s
  • Q7
    Which appliance uses natural gas?
    Condensing boiler
    Biomass boiler
    Air conditioning unit
    Refrigerator
    30s
  • Q8
    Providing the temperature of a gas remains constant, if the pressure was increased the volume would...
    None of the above
    Remain the same
    Decrease
    Increase
    30s
  • Q9
    Natural gas has a relative density (specific gravity) of 0.6, but what does this mean?
    It is lighter than air
    It will sink to the ground when mixed with air
    It is the same weight as air
    It is heavier than air
    30s
  • Q10
    With what substance do we compare other gases to work out their relative density?
    Water
    Air
    Acetylene
    Oxygen
    30s
  • Q11
    The amount of energy released when a known volume of gas, oil or coal is completely combusted is called...
    Specific heat capacity
    Flash point
    Boiling point
    Calorific value
    30s
  • Q12
    With reference to fuel gases, which of the following statements is true
    Butane is lighter than air
    Propane is heavier than air
    Butane is lighter than propane
    Natural gas is heavier than air
    30s
  • Q13
    Oxygen, fuel and heat (ignition) is also known by what other name?
    Combustion protocol
    The combustion analysis
    The fire square
    The fire triangle
    30s
  • Q14
    Which one of the following is the combustion temperature of natural gas?
    1000
    2000
    1960
    1850
    30s

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