Download Oil Burner Operation: Questions and Answers for Heating, Combustion, and Cooking Equipment and more Exams Oil Engineering in PDF only on Docsity!
Questions and Answers 100% SolvedP-99 / Low PSI Oil Burner Operator
All heating, combustion, and cooking equipment shall be provided with insulation or thebuilding construction shall be fire protected, so that during operation the surface of combustible construction materials will not be raised to a temperature higher than ____. ✔✔170 ̊ F Acceptance tests: Boilers shall not be placed in operation upon completion of construction untilthey have been ____ and an equipment use permit has been issued by the commissioner. ✔✔Inspected and tested. Periodic boiler inspections: All boilers shall be inspected at least ____ including chimneyconnections. ✔✔Once a year.
Owner's annual statement: The owner of each boiler that is subject to periodic inspections shallfile an annual ____ with the commissioner, specifying the location of each boiler and arrangement for inspection. ✔✔Written statement. What three things must be tested for any fuel burning and storage installation before the systemcan be operated? ✔✔(1) Tightness of liquid fuel piping.
(2) Tightness of fuel oil storage tanks. (3) Tightness of gas distribution piping. What are instruction cards for oil burning systems?care and operation that are permanently located near the equipment. ✔✔Cards giving complete instructions for
Every oil burning installation that is not fully automatic or requires preheating shall be operatedby, or under, the direct supervision of a person holding a ____ issued by the fire commissioner. ✔✔COF After any fuel burning equipment repair for which a licensed operator is required, such operatorshall also check the repairs and be ____ while the equipment is started. ✔✔Present.
What is abatement of air contaminants? ✔✔Compliance with the air pollution control code. What are the 3 equipment classifications and their temperatures for the products of combustion atthe point of leaving the equipment? ✔✔(1) Low Temp: 600° F or less.
(3) Electric heaters. A remote control for oil burner is provided to stop what? ✔✔The flow of oil to any burner. What are the four safety controls that shall be installed with each automatic burner?temperature. ✔✔(1) Oil
(2) Ignition. (3) Stack or combustion. (4) High temperature or pressure. No oil burner shall be installed unless it is connected to a ____. ✔✔Chimney/smoke stack. What provides the supply of oil for combustion in the oil burner? ✔✔Storage tank.
What is the consistency of no. 6 fuel-oil in its normal condition? ✔✔Thick and heavy. What must be done to no. 6 fuel-oil due to its consistency?tank. ✔✔It must be heated in the storage
Between what temperatures must no. 6 fuel-oil be maintained in the storage tank?130 ̊ F ✔✔100 ̊ -
What are the five commercial grade hydrocarbon oils? ✔✔(1) No. 1 fuel-oil/range oil. (2) No. 2 fuel-oil/diesel oil. (3) No. 4 fuel-oil. (4) No. 5 fuel-oil. (5) No. 6 fuel-oil.
Where in an oil pump discharge line shall a relief valve be installed?first shut-off valve. ✔✔Between the pump and
Dampers in flues shall be constructed so that they cannot completely ____ the passage of fluegases at any time. ✔✔Cut off.
Tight closing ____ may be installed with approved automatic draft and combustion controls. ✔✔Dampers.
If ventilation for the purpose of combustion is supplied mechanically, the ventilating systemshall be ____ interlocked with the burner. ✔✔Electrically.
What removes most contaminants from the oil before it reaches the burner? ✔✔Strainer/filter. What is present in the fuel-oil coming from the storage tank. ✔✔Dirt and sediment. What circulates the oil throughout the system? ✔✔Suction line.
Which device measures pressure below atmospheric pressure? ✔✔Vacuum gauge. What do excessive vacuum readings indicate? ✔✔That there is an obstruction in the suction line. What can be done to stop the oil flow in the event of excessive vacuum readings?shut-off valve. ✔✔Close the
What device heats the oil further before it enters the burner for combustion? ✔✔Pre-heater. Between what temperatures does the pre-heater bring the oil to? ✔✔160° - 180°F What two things are made easier by pre-heating the oil? ✔✔(1) Circulation. (2) Atomization. What is oil atomized by? ✔✔Spinner/atomizer cup.
The two principal elements of fuel-oil are ____. ✔✔Hydrogen and carbon. Oil is a liquid fuel and as such will not ____. It must be changed to a gas or vapor to supportcombustion. ✔✔Burn.
Which device accelerates the change of liquid fuel to a vapor that can be mixed with air andburned. ✔✔Oil burner.
In low pressure oil burners, the oil and air mixture is delivered to the nozzle at a pressurebetween ____. ✔✔1 - 15 psi.
The air that contacts the oil prior to its leaving the nozzle is called ____. ✔✔Primary air. The introduction of air from the fan into the combustion chamber after the oil has left the nozzleis called ____. ✔✔Secondary air.
Oil burners require approximately ____ cubic feet of air per gallon of oil consumed. ✔✔2,
The end product of complete combustion is ____. ✔✔Carbon dioxide. The end product of incomplete combustion is ____. ✔✔Carbon monoxide. Each time one pound of carbon is burned, ____ BTU of heat are liberated. ✔✔14, If the fuel is not supplied with the proper amount of oxygen, carbon monoxide will be produced,and only ____ BTU of heat are liberated. ✔✔4,
A correctly adjusted oil burner flame will have an ____ colored flame body with small ____,slightly cloudy tips. ✔✔Orange / Red
A red, smoky flame is an indication of a ____. ✔✔Lack of air. A white, dazzling flame is an indication of ____. ✔✔Excess air. Dense, black smoke and soot is an indication of ____. ✔✔Insufficient air.
Heavy oil such as no. 6 fuel-oil is raised to about ____ before it enters the combustion process. ✔✔180°F
A defective oil cut-off valve can lead to ____. ✔✔After-drip. After-drip can lead to ____. ✔✔Carbon deposit build-up. What will dirty or damaged nozzles cause? ✔✔Carbon deposit build-up. How often should no. 6 fuel-oil burner nozzles be cleaned? ✔✔Daily. Blockage in the chimney or flue passage will cause the boiler room to become ____.with smoke. ✔✔Filled
Water in the fuel-oil or the wrong grade of fuel-oil will cause improper ____. ✔✔Atomization. Burner puff-back is most often caused by a ____ in ignition. ✔✔Delay.
Pure white condensed steam that smells like fuel-oil is a condition that can cause ____.back. ✔✔Puff-
What 3 things must be done when puff-back conditions are present? ✔✔(1) Shut off the burner. (2) Vent the area. (3) Eliminate ignition sources. Where is fuel-oil stored? ✔✔Storage tank. Which valve stops oil flow so that cleaning and maintenance can be performed?valve. ✔✔Shut-off
What separates dirt and sediment from the fuel oil coming from the storage tank? ✔✔Strainer/filter.
Which device indicates whether there is an obstruction in the suction line? ✔✔Vacuum gauge.
What is a photoelectric cell? ✔✔A flame detection control device. Which device will shut down an oilburner if a flame is not visible? ✔✔Photoelectric cell.
What operates the oil burner in the summer for domestic hot water needs? ✔✔Aquastat. Which automatic, electric control for steam boilers will shut the burner down when the water isbelow a safe operating point? ✔✔Low water cut-off.
Which device indicates the water level of a steam boiler? ✔✔Gauge glass. What should be visible in the gauge glass while the boiler operates? ✔✔Water. The main combustion controller is called what? ✔✔Stack switch/primary control.
What does the stack switch/primary control do?failure or loss of flame in the combustion chamber. ✔✔Shut down the oil burner due to ignition
When does the stack switch/primary control operate?chimney/smoke stack. ✔✔When there is no heat in the
Where is the smoke alarm mounted? ✔✔Chimney/smoke stack. The ____ will shut down an oil burner and sound an alarm if there is excessive smoke or if thecombustion fire is improper. ✔✔Smoke alarm.
The smoke alarm is also a required ____ control. ✔✔Combustion and air pollution. Which gauge shows the steam pressure inside the steam boiler? ✔✔Steam pressure gauge. Where is the steam pressure gauge located? ✔✔On or near the top of the steam boiler. What does psi mean? ✔✔Pounds per square inch.
