Author Question: How does a kerosene heater prepare its fuel for combustion? A) Oil is atomized using a ... (Read 74 times)

futuristic · **on:** Jul 24, 2018

How does a kerosene heater prepare its fuel for combustion?

A) Oil is atomized using a high-pressure pump and an atomizing nozzle.
B) Kerosene does not need to be prepared for combustion because it is highly volatile.
C) Oil is vaporized by the heat of combustion and the hot surface of the combustion chamber.
D) Oil is atomized using a centrifugal motor that slings small droplets of oil into the combustion chamber.

Question 2

One advantage of rooftop units on small commercial buildings is that:

A) They are available in larger capacities than central station systems.
B) They operate more efficiently than systems located inside the building.
C) They offer a substantial savings of space within the building.
D) They are easier to service than systems located inside the building.