The cad cell relay is a safety device that uses which of the following to prove ignition ?
A) Heat in the flue.
B) Heat in the combustion chamber.
C) Light in the combustion chamber.
D) Heat in the blast tube.
Correct Answer:
Verified
Q2: If a technician inspects the interior of
Q3: To make combustion efficiency tests, a hole
Q4: Tank piping should be inspected regularly for
Q5: An auxiliary tank and booster pump system
Q6: The grade of fuel used in residential
Q7: Tanks that are to be installed underground
Q8: Nozzles can be cleaned to remove any
Q9: Improper combustion can lead to _.
A) excessive
Q10: The heat content of one gallon of
Q11: In a(n) _ fuel oil supply system,
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