Oil Burner License bundled exams 2024 with 100% correct answers

What is the final adjustment you make when tuning up an oil burner? A)Draft B) Change Nozzle C)Oil Pressure D)Combustion Air correct answersD)Combustion Air What is the effect of having a dirty burner squirrel cage fan? A)Water Hammer B)Incomplete combustion C)Low Co2 D)Blocked Chimney co...

Number 2 fuel oil characteristics correct answers140,000 btu/gal lighter the grade the more btu's Combustion characteristics correct answersprocess of burning- viscosity, pour point, cloud point, flash point Oil Nozzles correct answersspray pattern, spray angle, gph Spray Patterns correc...

What is the voltage found at the TT terminals correct answers24 volts What are the 8 steps of a no heat call correct answers1 talk to customer 2 check tt.3 check to make sure an emergency switch is on 4check to make sure there is oil in the tank 5 check to make sure the main power going to the un...

An up flow furnace correct answersHas the return air at the bottom Of the six regular grades of fuel oil,The grade most commonly used in residential and light commercial heating systems is No. correct answers2 How much heat is produced when 2 gallons of No. 2 fuel oil is burned? correct answer...

Cast iron fittings can be used in heating fuel systems? correct answersFalse Tank vent shall terminate correct answersWithin 12 feet of the fill and visible from the fill Tanks exceeding 330 gallons must have correct answersTop supply connection Fuel return piping from an appliance shall co...

The reducing of oil into very small particles is termed a) fluidization b) fractionation c) turbulence d) atomization e) distillation correct answersd Before atomization can occur, heavy oils are heated to approximately a) 203 degrees C b) 95 degrees C c) 115 degrees C ...

All heating, combustion, and cooking equipment shall be provided with insulation or the building construction shall be fire protected, so that during operation the surface of combustible construction materials will not be raised to a temperature higher than ____. correct answers170 ̊ F Acceptanc...

When a new burner is installed, what wiring must also be updated? correct answersBreaker, properly rated wiring, properly installed and located emergency switch, properly installed and located thermal electric switch, properly installed and located service switch and properly installed and located l...

Burner Blower correct answersThis component has a squirrel cage design and provides a way to regulate the amount of air entering the blower. It forces air in the combustion chamber through the air tube where it gets mixed with atomized oil for combustion purposes. Too little air in the combustion ar...

The reducing of oil into very small particles is termed a) atomization. b) fractionation. c) turbulence. d) fluidization. correct answersa A multi -burner cluster has secondary and tertiary nozzles ignited by a) an igniter spark. b) an intermittent pilot flame. c) the primary burne...

At what approximate angle does the fuel meet the atomizing air in an atomizing air oil burner? A. 15 degrees B. 25 degrees C. 45 degrees D. 90 degrees E. 180 degrees correct answersD The part of an air atomizing burner that imparts a turning motion to the oil is the : A. Swirler B. Orifice...

On a new oil furnace installation, the oil pump pressure is found to be 50 PSI. which of the following actions should be taken? a. Increase the pump pressure. b. Add a new fuel filter. c. Reduce the pump pressure. d. No action needed. correct answersA After installation and 20 min. of run t...

Constant-Level Valve correct answersA device for maintaining within a reservoir a constant level of oil fuel for delivery to an oil burner. Control, Limit correct answersAn automatic safety control responsive to changes in fluid flow or level, pressure, or temperature, and which is normally set b...

The key final adjustment for most oil burners is? correct answersCombustion Air Dirt or lint build-up in the bevel of the burner fan blades will? correct answersReduce the blade bevel and reduce the amount of air delivered To change the air ratio for different firing rates with an adjustable h...

The variable compassionately pressure at amazing fuel oil burner functions to correct answersProvide a wide range of combustion The process of breaking up fuel oil into fine particles to ensure good combustion is called correct answersAtomization The primary purpose of the sprayer play in the ...

How many grades of fuel oil are normally considered as heating oils. correct answersThere are six What two elements make up fuel oil correct answersCarbon and Hydrogen The most common fuel oil used for residential and light commercial is? correct answersNumber two As the temperature of an o...

You come across an oil furnace that has a tripped primary control. You should A) reset the primary controller and attempt to fire the burner. B) not reset the primary control, and attempt to view the firepot for pooling oil. C) reset the primary control, but do not attempt to fire the burn...

Which of the following should be worn when using power tools? a) Safety glasses b) A hard hat c) Leather gloves d) Safety boots correct answersA What is the minimum acceptable type of respiratory protection to be used when cleaning a soot filled furnace? correct answersDisposable Filter M...

What is the BUT input rating of an oiled-fired furnace that uses an nozzle rated at .85 gph? correct answers119,000btu/h What are two problems that can cause an oil-fired gun burner to operate below 100 psig? correct answersa bad oil pump and a plugged in-line filter technician a says that the...

Authority Having Jurisdiction (AHJ) correct answersAn Organization, Office, Or Individual Responsible For Enforcing The Code, For approving equipment, materials, and installation, or a procedure Boiler correct answersA Vessel Which Water Is Heated, Steam Is Generated, SuperHeated, Or In Witch Any...

The oil-fired, forced-warm-air furnace has two main systems: Which are... correct answersHeat-producing system and heat-distributing system What is the heat-producing system? correct answersconsists of the oil burner, fuel supply components, combustion chamber, and heat exchanger. What is the ...

T/F A converted furnace or boiler is best sized according to the heat loss of the house? correct answersTrue The ------- must advise the user of an appliance when converting an oil-fired boiler to natural gas to have the oil fill and vent pipes removed correct answersInstaller T/F The existing...

In a typical oil burner, the motor drives: correct answersBoth the fuel unit and the fan The key final adjustment for most oil burners is: correct answersCombustion air High static air pressure burners: correct answersEnable boilers and furnaces to have tighter more efficient heat exchanger pa...

Electrodes correct answersIn a typical oil burner, the oil is ignited by ______. Power is removed correct answersIn a furnace equipped with a solenoid oil flow valve, the valve will close when _______. Primary control correct answersThe component that turns the oil burner and blower on and off...

According to NFPA31-2001, what is the minimum size of the vent pipe on an oil storage tank correct answers1 1/4 inch Nozzles are available with three different spray patterns: correct answersSolid, semi-hollow, hollow What type of motor is used on a residential high pressure oil burner correct...

if the firing rate is 0.85 gallons per hour on an oil nozzle and the applied pressure is 100 psi, how many gallons of oil will be used per hour? correct answers0.85 in an oil burner, atomization of the oil and spray pattern are mainly determined by the? correct answersnozzle a correct statemen...

Combustion in a direct spark ignition, condensing gas furnace is sensed by a. the primary control b. the flame sensor c. thermocouple d. the barometric damper e. the ignition module correct answersB Gravity warm air furnaces are different from forced air furnaces in each of the following re...

which burns better carbon or hydrogen atoms? correct answersHydrogen and it produces more heat during combustion true or false. Types of hydrocarbon molecules found in lighter fuel oils are less complex and easier to break apart during combustion than the hydrocarbon molucules found in the heavie...

The key final adjustment for most oil burners is correct answerscombustion air The high static air pressure created by todays oil burner correct answersEnable boiler and furnaces to have tighter more efficient heat Dirt or lint build-up in the bevel of the burner fan blades will? correct answe...

Ch 1 High Pressure Atomizing correct answers100+ PSI fuel pump forces oil through a nozel to break (atomize) the oil into small droplets thst are vaporized abd burned in suspension in the combustion area. Electrodes close to the nozzle supplies heat for ignition and a fan supplies the air needed for...

Combustion air for an oil burner is provided by_____. correct answersa combustion air fan The output of the ignition transformer is_____. correct answers10,000 volts The primary control starts burner operation in response to a signal from the_____. correct answersroom thermostat When replac...

How many apprentices can a journeyman directly supervise? correct answers2 When performing any service work on a customers heating system the licensee must notify the homeowner of? correct answersEfficiency and code violations Can a licensed journeyman perform a cleaning on wood/oil combinatio...

About _____________ cubic feet of air is required to ensure complete combustion of one [1] gallon of #2 fuel oil. correct answers2000 T/F? Air supply openings that communicate with the outdoors of a building must be located not less than twelve [12] inches above the outside grade level. correct a...

above gap correct answersthe vertical distance between the center nozzle and electrode tips adjustable air band correct answersa metal band on an oil burner that is used to regulate the amount of air the burner fan can draw in and blow through the air tube air tube correct answersthe passage t...

The use of furnace cement or other materials to seal a cracked heat exchanger or parts which provide closure shall be for _________ repairs only. correct answersTemporary repairs If a fuel storage tank is permanently removed from service for whatever reason, the tank and all the piping connected ...

What is the typical recommended oil burner nozzle pressure? correct answers100 PSI Name two places oil is filtered before it is burned? correct answersOil Filter and Nozzle Strainer How many BTU's are there in a gallon of fuel oil? correct answers140,000 BTU's What is the typical efficien...

explain why an exterior, above ground oil storage tank needs a 2 inch oil supply line, rather than the typical 3/8 inch diameter line correct answersthe large pipe allows the oil to flow through the line when the temperature is very low. oil becomes very viscous at low temperatures what is the ty...

the vertical distance between the center nozzle and electrode tips correct answersabove gap a metal band on an oil burner that is used to regulate the amount of air the burner fan can draw in and blow through the air tube correct answersadjustable air band the passage through which air from an...

define Authority Having Jurisdiction correct answersNFPA 3.2.2 define the term "Listed" correct answersNFPA 3.2.4 a closed vessel in which water is heated, steam is generated is known as a correct answersboiler NFPA 31 3.3.6.4 a burner that requires a chimney or venting system of natura...

Burning a fuel releases ___ correct answersheat energy A vent line on a fuel oil tank prevents ___ when filling the tank with fuel oil and also prevents a vacuum from developing when fuel oil is removed correct answerspressure buildup A high suction line on a fuel oil tank is used when ___ cor...

The final adjustment for most oil burners is? correct answersCombustion air Dirt or lint build-up in the bevel of the fan blades will: correct answersReduce the amount of combustion air. To change the air ratio for different firing rates with an adjustable head burner you: correct answersAdjus...

58-1) What is indicated by a frothy stream of oil in the oil supply line? correct answersA leak in the suction line allowing air bubbles in with the oil. 58-2) List the general types of oil furnace problems. correct answersoil burner motor problems oil pump problems nozzle problems ignition syste...

heat-producing system, heat-distributing system correct answersIntroduction to Oil-Fired Forced-Warm-Air Furnaces Oil-fired forced-warm-air furnaces have two main systems: A ________________________, consisting of the oil burner, fuel supply components, combustion chamber, and heat exchangers ...

The oil-fired, forced-warm-air furnace has two main systems which are those? correct answers1. producing system 2. heat distribution system What is a heat producing system on oil heat? correct answersconsist in the oil burner, fuel supply components, combustion chamber, and heat exchanger. W...

Ignition transformers produce a voltage of about 10,000 V, while the ____ produce voltages of about 14,000 V correct answersSolid-state igniter ____ are designed and rated at 100 psig nozzle pressure. correct answersOil burner nozzles A common spray pattern for an oil burner ____ is a solid co...

A thermal device that opens it's contacts when a motor heater coil uses too much current is a? correct answersTHEMAL RELAY What is the required ventilation for a 15,000 sq. ft. Collage Auditorium? correct answers33,750 CFM (2.25 CFM/Cu. Ft.) True or False? Like temperature's in all rooms wou...