Author Question: A major difference between the operation of an oil furnace and a gas furnace is that: A) Oil has ... (Read 103 times)

Themember4 · **on:** Jul 24, 2018

A major difference between the operation of an oil furnace and a gas furnace is that:

A) Oil has a lower heat content value than gas.
B) The oil must be atomized before ignition.
C) It is more difficult to set up a gas furnace to burn cleanly.
D) Oil furnaces do not burn as hot as gas furnaces.

Question 2

When there is high resistance across the contacts when they are closed:

A) A voltage drop will be read across the contacts.
B) Zero voltage will be read across the contacts.
C) Line voltage will be read across the contacts.
D) None of the above.
E) All of the above.