Oil burner test UPDATED ACTUAL Exam Questions and CORRECT Answers
0 view 0 purchase
Course
Oil burner
Institution
Oil Burner
Oil burner test UPDATED ACTUAL Exam
Questions and CORRECT Answers
What is the largest exposed tank allowed in a building without a permit - CORRECT
ANSWER- 660 g
What is tank approval - CORRECT ANSWER- UL 80 UL 142
A supply tank shall be securely supported by ridged, non-combustible supports...
Oil burner test UPDATED ACTUAL Exam
Questions and CORRECT Answers
What is the largest exposed tank allowed in a building without a permit - CORRECT
ANSWER- ✔✔660 g
What is tank approval - CORRECT ANSWER- ✔✔UL 80 UL 142
A supply tank shall be securely supported by ridged, non-combustible supports to prevent
settling, sliding or lifting. true or false - CORRECT ANSWER- ✔✔True
What is the largest amount of oil that can be stored with exposed tanks? - CORRECT
ANSWER- ✔✔1320 g
What is the closest distance a supply tank can be to the burner - CORRECT ANSWER- ✔✔5
ft
What is the gauge of a 275 g above ground tank - CORRECT ANSWER- ✔✔12 gauge
The maximum amount of fuel may be delivered without a permit to store in effect provided
that application has been made in accordance with code. true or false - CORRECT
ANSWER- ✔✔True
Vent pipe for a 500 g tank should be - CORRECT ANSWER- ✔✔1 1/4"
A supply tank may be supported by any ridge support. true or false - CORRECT ANSWER-
✔✔False
Stack switch relays can no longer be used in installations or replacement because -
CORRECT ANSWER- ✔✔Their lock-out time is no longer the code requirement
,An oil safety valve should be used when burner pump is lifting oil. True or false - CORRECT
ANSWER- ✔✔False
On a warm air furnace, the blower comes off and on in short cycles because - CORRECT
ANSWER- ✔✔The fan on/off differential is less than 40°F
What could cause a steam boiler to flood - CORRECT ANSWER- ✔✔Leaky tank less coil
Having to put water in a steam boiler once or twice a week is caused by - CORRECT
ANSWER- ✔✔Weak return line, radiator vents leaking, boiler sprung a leak
Some radiators on a steam system do not heat up because - CORRECT ANSWER- ✔✔The
radiator vents are clogged
On a hot water boiler the pressure is 30psi and the relief valve is open because - CORRECT
ANSWER- ✔✔Leaky tankless coil, bad pressure reducing valve, perforated tankless bladder
Some forced hot-water radiators are not heating because - CORRECT ANSWER- ✔✔Vent is
clogged, radiators are air bound, radiator valves clogged shut
A cad-cell primary control can lock-out safety because - CORRECT ANSWER- ✔✔Cad-cell
is dirty, Cad-cell is faulty, The cad-cell is not sensing flame
On a no heat call, a cad-cell primary control fired when TT is jumped out because -
CORRECT ANSWER- ✔✔The thermostat or thermostat wired are no good
In-step means - CORRECT ANSWER- ✔✔The primary control start circuit is closed
On a no heat call on a hot water system, the oil burner is off on high-limit, but the circulator
is not running because - CORRECT ANSWER- ✔✔The reverse is open, circulator motor
burnt out, switching relay is faulty
, The burner operates but there is no combustion because - CORRECT ANSWER- ✔✔There is
too much air
On a replacement steam boiler installation, you should pipe full-size risers to the header. True
or false - CORRECT ANSWER- ✔✔False
What is the best way to remove surface oil? - CORRECT ANSWER- ✔✔Skimming
Where should the water like normally be in the sight glass when the boiler is off - CORRECT
ANSWER- ✔✔Center of the sight glass
What is the purpose of the automatic water feed on a steam boiler - CORRECT ANSWER-
✔✔To maintain a safe minimum water line
What is the purpose of the hartford loop - CORRECT ANSWER- ✔✔To prevent siphoning
of the boiler
What is the normal cut in pressure of a residential steam boiler - CORRECT ANSWER-
✔✔1/2 psi
What is the purpose of an oil safety valve - CORRECT ANSWER- ✔✔Prevents oil flow in
the event of a line rupture or excessive line inlet pressure
What does the term "approved" mean - CORRECT ANSWER- ✔✔Recognized by a
nationally recognized texting lab
What is a safety control - CORRECT ANSWER- ✔✔Any control used to prevent unsafe
operation of the uncontrolled equipment
What is a draft booster - CORRECT ANSWER- ✔✔Power operated fan installed in the
chimney connector to increase natural draft
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
