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Journeyman oil- Test Questions and Answers
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Journeyman oil- Test Questions and Answers
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Journeyman oil- Test Questions andAnswers
Direct vent it heating units less than 50,000 BTUs it may be vented ______ from a window
A. 6"
B. 9"
C. 12"
D. 18" CORRECT ANS-B. 9"
A house built with tight construction and the basement is 20' x 20' x 8' no outside air would be
required at the furnace input wasn't 125,000 BTUs.
T/F CORRECT ANS-False
If connecting a gas appliance and an oil appliance in the same chimney what two item are
required?
A. Sufficient draft and two barometric dampers
B. Two barometric dampers
C. Two primary controls
D. Sufficient draft and primary safety controls CORRECT ANS-D. Sufficient draft and primary
safety controls
The safety timing for an appliance of 6 GPH is
A. 90 seconds
B. 45 seconds
,C. 30 seconds
D. 15 seconds CORRECT ANS-D. 15 seconds
The safety timing for an appliance 3 GPH or less is
A. 90 seconds
B. 45 seconds
C. 30 seconds
D. 15 seconds CORRECT ANS-C. 30 seconds
Steam boilers will be provided with what type of piping arrangement?
A. Hartford loop
B. Wet return
C. Dry retired
D. Condensate return line CORRECT ANS-A. Hartford loop
1 1/4 inch steel pipe is horizontally must be supported on what intervals?
A. 3'
B. 6'
C. 8'
D. 10' CORRECT ANS-D. 10'
When adjusting in oil burner we allow for excess air for what reason?
A. Seasonal efficiency
, B. Seasonal changes
C. Seasonal draft
D. All of the above CORRECT ANS-B. Seasonal changes
What is the normal fuel pump pressure of a high-pressure oil burner?
A. 100 psi
B. 140 psi
C. 30" Hg
D. All of the above CORRECT ANS-A. 100 psi
If the stack draft is -0.05" and the over the fire draft is +0.01" what condition exists?
A. There is a leak in the heat exchanger
B. The fan is spinning in the wrong direction
C. The appliance is obstructed or partially plugged
D. Both A and C CORRECT ANS-D. Both A and C
What pipe joint must be used when cross connecting fuel tanks?
A. A swing joint
B. A ground joint Union
C. It's the only time you can use a compression fitting
D. Flanges CORRECT ANS-B. A ground joint Union
Chamberless firing will reduce NOX emissions.
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