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Oil burner test|90 Complete Questions with Answers
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Oil burner test|90 CompleteQuestions with Answers
A fuel oil storage tank cannot be installed: - -In the furnace room 5 feet
within heating unit
-What temperature does a thermal wheel automatically activate at - -165°F
-Who inspects an oil burner installation - -State fire marshal
-Any valve used on a oil burner install must be: - -Fusible valve
-What form is used to pull an oil burner permit - -CMR.4
-What size pipe is used to CrossConnect tank outlet piping - -1/2 inch
-When is an oil safety valve used - -On an existing installation when a
burner boiler furnace or tank is replaced.
-When must you install a draft regulator - -When not exempt by
manufacturer
-What type of boiler must be equipped with a low water cut off - -Water
boilers over 500,000 BTUs & all steam boilers
-All new oil burner controls must be: - -Interrupted ignition
-How far must continuous concrete slab extend beyond the tank perimeter -
-8 inches
-All protective control and emergency devices shall be series connected
from the electrical distribution panel: - -Through the emergency switch,
through the terminal switch, to the service switch in the ungrounded line
conductor
-If the ceiling above the burner boiler or burner furnace exceeds 12 feet in
height, and additional thermal switch shall be installed at a height of_______
and connected in series with the lower switch. - -10 feet
-An oil safety valve can perform the following functions: - -Reduce pressure
from its inlet to its outlet & prevent gravity flow
-Fuel oil filters should be selected for the following: - -Micron range & flow
rate
, -Ultra low sulfur fuel has no benefit to a fuel oil system - -False
-To ensure the best mechanical seal throughout a fuel oil delivery system
the following should be used: - -Flared fittings and pipe dope
-Adding a pre-heater to an oil burner will - -Allow oil with a high paraffin
base to flow more easily & decrease the viscosity of a fuel oil
-A probe type low-water cut off for steam should be checked - -Once a year
-The proper value for a resistor used to verify the F-F terminals of a
Honeywell primary control should be - -1500 ohms
-Oil tanks can be produced as - -Steel, fiberglass, epoxy coated steel
-Black colored residue on a combustion head tells you - -All the above
-A white material in the flue pipe resembling beach sand is an indicator of -
-Unit that is under fired
-Flame quality has no effect on the cad cell - -False
-A material that will easily allow electrons to pass is described as - -
Conductor
-The safety ground is required by UL to be colored - -Green
-A solenoid valve operates on the following principle - -Electromagnetism
-What type of meter requires a battery - -Ohmmeter
-The purpose of a limit control is - -Safety
-Switching relays for heating systems can be found in the following
switching configurations - -SP-ST, DP-ST, DP-DT. All the above
-Fuel oil contains approximately the following percentages of chemicals - -
79% nitrogen and 21% oxygen
-Mechanical draft is described as - -Forced draft
-As stack temperature goes down the ability of a chimney to produce
thermal draft drops - -True
-Oil burners can make CO even when no smoke is present - -True
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