2026-2027 NEWEST!! ACTUAL COMPLETE
REAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||
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If a power vent fails to start or shuts down during operation, will
this affect the burner? Yes? Or No?
ANSWERS: Yes
A Hot Water Boiler needs a low water cut off if over 300,000
B.T.U's?
ANSWERS: False
What is the proper draft setting for an oil burner?
ANSWERS: 02 Inches WC
Taco Zones Valves draw .9 Amps? True? Or False?
ANSWERS: True
,What is the gauge thickness for a 220 Gallon tank?
ANSWERS: 12 Gauge
What is a good cad cell reading in the light?
ANSWERS: 300 -1,000
What is a good cad cell reading in the dark?
ANSWERS: 100,000
What device sees flame failure and causes it to lockout?
ANSWERS: Cad Cell
, A boiler has been flooded by recent rain. What would be the
most common problem for a burner as a result
ANSWERS: Electrical damage
What is the minimum size of pipping for copper and black pipe in a
residential installation?
ANSWERS: 3/8 unless over 100 ft
If you increased the air on a burner what would happen to the Co2
Reading?
ANSWERS: It would go down
If you increased the air on a burner what would happen to stack
temperature?
ANSWERS: It would go up
Give 2 reasons why draft is necessary?
ANSWERS: Remove flu gasses & efficiency.