Oil Burner Exam Bundle Questions and Answers(SCORED A )

the vertical distance between the center nozzle and electrode tips - ANSWER-above 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 - ANSWER-adjustable air band the passage through which air from an oil burner ...

In an electric circuit for the wattage to remain the same if the voltage drops, the amperage must - ANSWER-Increase Atomizing type burners were designed to burn which type of fuel - ANSWER-Type 2 fuel oil Pour point problems with outside above ground fuel tanks can be partially relieved by - A...

What is the first thing a tech should do when arriving at a no combustion call? - ANSWER-Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - ANSWER--Remove any underground storage tanks. -Install a quality oil filter. -Cut the...

The main function of the primary control is: - ANSWER-Locking out on safety in the event of flame failure Power must be provided to an electric blower control board on terminals: - ANSWER-L1 and L2 Once a PSC motor starts - ANSWER-The centrifugal switch turns off the electricity to the capacit...

Max safety timing on a primary control - ANSWER-15 seconds Safety control circuits shall be - ANSWER-2-wire, one side grounded, with nominal voltage not exceeding 150v Crankcase/used oil may only be used in - ANSWER-Commercial/industrial setting. Or in a appliance specifically designed to do s...

What are the 3 funtions of an Oil Burner nozzle? - ANSWER-Atomize, Meter, Patter. What are the 2 voltage circuits of a primary control? - ANSWER-Line & Low. What is the function of a fuse? - ANSWER-Protect circuit. What is the High Limit cut out? - ANSWER-Max safe Temp or Pressure setting. ...

A fuel oil storage tank cannot be installed: - ANSWER-In the furnace room 5 feet within heating unit What temperature does a thermal wheel automatically activate at - ANSWER-165°F Who inspects an oil burner installation - ANSWER-State fire marshal Any valve used on a oil burner install mus...

oil burner motor - ANSWER-spins at 1725 rpm and rotates the fuel pump and coupling coupling - ANSWER-the connection between the fuel pump and oil burner motor housing - ANSWER-encases the burner and all of its components in the heating unit fuel line - ANSWER-a line meant for the passing of...

The cross connection between two supply tanks shall not exceed? - ANSWER-660 gallons When is an automatic draft control not required? - ANSWER-When the equipment is designed to control the draft. Combustion performance testing can indicate: - ANSWER-Improper air oil mixture, too much combustio...

What are 2 ways the fuel flow rate is set on an oil burner? - ANSWER-Nozzle, size and oil pressure. List three things needed for ignition? - ANSWER-Fuel, air and spark. Flame Retention Burners have what advantage over Non Flame Retention? - ANSWER-Better air to oil mixture and cleaner burning....

What is the largest exposed tank allowed in a building without a permit - ANSWER-660 g What is tank approval - 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 - ANSWER-True What is the l...

Number 2 oil has what btu's - ANSWER-140,000 Which fuel oil has the lowest viscosity - ANSWER-#1 Fuel oil is made up of mostly - ANSWER-Hydrogen/carbon Flash point of #2 fuel oil is - ANSWER-115 degrees Combustion triangle - ANSWER-oxygen, heat, fuel vent pipes must be atleast ______...

1. Question 1 points Fuel Pump fail to prime when Suction inlet vacuum is greater than _______ of vacuum 20 inches 30 inches 15 inches 25 inches - ANSWER-15 inches Which of the following is used to ignite the fuel oil in the heating system: Step down transformer Step up transform...

Oil Burner - ANSWER-A machine that prepares liquid fuel for combustion, starts the combustion process, and projects the resulting flame into a boiler or furnace in which the heat released can be utilized. 3 systems of an oil burner - ANSWER-Every oil burner must have an air delivery system, a...

Air Heater. - ANSWER-. An indirect-fired appliance intended to supply heated air for space heating and other purposes, but not intended for permanent installation. Air pressure switch . - ANSWER-An electrical switch designed to prove that the proper draft has been established by the power venter ...

What is the voltage found at the TT terminals - ANSWER-24 volts What are the 8 steps of a no heat call - ANSWER-1 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 unit is on six...

What differentiates a flame retention burner from a standard high pressure burner - ANSWER-The flame retention head produces more air swirl and combustion air recirculation flow Name the three elements needed for combustion - ANSWER-Oil air spark Which of the three elements needed for combusti...

How can you recognize steam heating systems? - ANSWER-gauge glass tube mounted between two valves at top The purpose of the gauge glass on steam boiler is what? - ANSWER-tells how much water is in boiler What is also on a steam heating system that tells how much water is in it? - ANSWER-pressu...

What is the heating value of number 2 heating oil? - ANSWER-140,000 Btu/gallon What is the common operating pressure of a high pressure oil boiler? - ANSWER-100 PSIG What is the secondary voltage of the ignition transformer used on a high pressure oil burner? - ANSWER-10,000 volts What is t...

In regard to the characteristics of an oil flame, oil-burner flame-detection systems make use of the: - ANSWER-production of heat or visible light. On a new oil furnace installation, the oil pump pressure is found to be 50 psi. Which, if any, of the following actions should be taken? - ANSWER-inc...

T/F A converted furnace or boiler is best sized according to the heat loss of the house? - ANSWER-True 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 - ANSWER-Installer T/F The existing combustion ...