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Oil Heat Questions And Answers With Verified Solutions Already Passed!!!
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Oil Heat Questions And Answers With Verified Solutions Already Passed!!!
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Oil Heat Questions And Answers WithVerified Solutions Already Passed!!!
The oil-fired, forced-warm-air furnace has two main systems: Which are... -
ANSWER✔✔Heat-producing system and heat-distributing system
What is the heat-producing system? - ANSWER✔✔consists of the oil burner, fuel
supply components, combustion chamber, and heat exchanger.
What is the heat-distribution system? - ANSWER✔✔composed of the blower,
which moves the air through the ductwork, and other related components
After the thermostat calls for heat, what happens? - ANSWER✔✔The ignition
system is powered and the oil burner motor starts, which turns the fuel pump and
combustion air blower wheel.
What is sprayed into the combustion area and ignited? - ANSWER✔✔an oil-air
mixture
Why is diesel fuel dyed? - ANSWER✔✔Taxes are higher if diesel fuel is used for
transportation, so dying it helps identify fuel used for residential/commercial
purposes.
Where is fuel oil derived from? - ANSWER✔✔crude oil by a process of
distillation called cracking.
How many grades of fuel oil are there? - ANSWER✔✔6
, What is a flash point? - ANSWER✔✔Has to do with the maximum safe storage
and handling temperature at which vapors above the liquid fuel oil ignite for a
short period of time when exposed to a flame.
What is the minimum flash point for No. 2 oil? - ANSWER✔✔100F
What is an ignition point? - ANSWER✔✔few degrees higher than the flash point.
Why does the vapor continue to burn after ignition point? - ANSWER✔✔The
vapors will continue to rise from the liquid.
What is viscosity? - ANSWER✔✔the thickness of the oil under normal
temperatures.
How is viscosity expressed? - ANSWER✔✔Saybolt Seconds Universal (SSU)
How does SSU determine oil viscosity? - ANSWER✔✔how much oil will drip
through a calibrated hole at a certain temperature.
What is carbon residue? - ANSWER✔✔the amount of of carbon left in a sample of
oil after it is changed from a liquid to a vapor by being boiled in an oxygen-free
atmosphere.
What residue will there be if oil burned properly? - ANSWER✔✔None
How much water/sediment should be left in oil after refining? -
ANSWER✔✔Lowest amount possible.
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