Oil Burner Exam Bundle Questions and Answers(GRADED A )

What does InStep mean - ANSWER-The stack relay is operating properly How is combustion achieved - ANSWER-Atomization ,air ,ignition. What is the minimum size oil line for residential burners - ANSWER-3/8 inch How is safety timing checked on a stack relay switch - ANSWER-Remove the stack rel...

Boiler, High Pressure). - ANSWER-. A boiler for generating steam at pressures in excess of 15 psi (103 kPa), or for heating water to a temperature in excess of 250°F (121°C) or at a pressure in excess of 160 psi (1103 kPa). Boiler, Hot Water Supply. - ANSWER-A low-pressure hot water boiler havi...

3 systems of an oil burner - ANSWER-Every oil burner must have an air delivery system, a fuel delivery system, and an ignition system. How are oil burners classified? - ANSWER-Classified by the method used to prepare the fuel for combustion. Which type of oil burner dominates the resident...

A ______ carbon dioxide content is usually caused by insufficient draft or an overfired burner low high - ANSWER-high A _______ stack thermometer is generally used to measure the flue gas temperature in oil heating system: 200/2000°F 100/1000°F 200/1000°F 100/2000°F - ANSWER-2...

vent pipes must be atleast ______ feet above or _______ feet below any window or door. they must also be _____ get away from property line to prevent sewer gas from drifting to neighbors house - ANSWER-3 feet above or 5 feet below door or window. 3 feet from property line To make combustion effi...

What size is the oil line for a residential burner? - ANSWER-3/8 Largest oil capacity for residential without a license? - ANSWER-10,000 Gallons At what height ceiling would a second thermal switch be required? - ANSWER-12' A typical residential oil burner is also s/u to run Kerosene True?...

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...

The burner operates but there is no combustion because - ANSWER-There is too much air On a replacement steam boiler installation, you should pipe full-size risers to the header. True or false - ANSWER-False What is the best way to remove surface oil? - ANSWER-Skimming Where should the water...

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. Flame Retention Burners work on _ pressure? - ANSWER-High Static pressure. Why is it important t...

Viscosity problems can be corrected by: - ANSWER-Decreasing the nozzle size and increasing the pump pressure accordingly The minimum operating pressure of an oil pump is: - ANSWER-100 PSI If a stack relay fails you, must? - ANSWER-Replace it with an approved type controller Aquastats are no...

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 fuel from the fuel pump to the burner nozzle - ANSWER-oil is forced through the no...

Minimum net stack temperature of above 350°F must be maintained - ANSWER-To avoid condensation and maintain draft The primary control must be capable of reacting to - ANSWER-The presence or absence of flame The two principal combustible elements in number two fuel oil are nitrogen and carbon ...

wax crystals form, gels up and the viscosity of the oil goes up - ANSWER-What happens to fuel oil when it is stored outside on a day when the temp. is only 12 degrees F? 85% carbon, 15% nitrogen, (ASTM D-396) - ANSWER-What is the chemical composition of fuel oil? If flames hit chamber it will ...

To wire an oil burner in MA you must be a licensed electrician: T or F - ANSWER-False Flash Point is the lowest temp. at which the vapours above the fuel will ignite: T or F - ANSWER-True Pour Point is the lowest temperature at which No. 2 fuel oil can be lit: T or F - ANSWER-False If the c...

Add an oil line heater. Cut with #1 fuel or kerosene. What is the maximum tank size allowed inside unenclosed? - ANSWER-660 gal What is the purpose of a delayed oil valve? - ANSWER-Allows time for the oil pump to get up to speed. Delays oil flow to the nozzle. On a call where a hydr...

The primary control starts burner operation in response to a signal from​ the_____. - ANSWER-room thermostat When replacing an oil burner​ nozzle, always use​ a(n)_____. - ANSWER-nozzle wrench When doing a smoke spot test on a heavy​ boiler, an acceptable smoke spot number​ is_____. ...

When applying current through a conductor that is wound in coil, the magnetic lines of force created are used in - ANSWER-•Solenoid valve . Relay .Electric Motor If in an average 15-amp residential heating circuit, the fuse occasionally blows, you should - ANSWER-Install a 15-amp breaker T...

Pour point - ANSWER-The maximum temperature at which oil can be stored, retrieved and used Complete Combustion flames - ANSWER-mainly yellow Incomplete combustion flame - ANSWER-dull reddish orange The Range of CO2 content indicating proper combustion in an oil fired furnace - ANSWER-8% to ...

the breaking up of a liquid into tiny droplets - ANSWER-atomization the ignition of a large amount of vaporized fuel oil that blows soot backward out of the combustion chamber - ANSWER-blowback a pump used to move fuel oil from the main storage tank to a fuel oil accumulator or reservoir tank ...

When nozzles problems are apparent, the nozzle should be removed using ____ and replaced - ANSWER-a special nozzle wrench The cad cell relay is a safety device that uses which of the following to prove ignition? - ANSWER-light in the combustion chamber The stack switch or stack relay _____. - ...

air bend - ANSWER-regulates the volume (amount) by changing it to a spray of tiny droplets atomizing - ANSWER-vaporizing liquid oil (turning it into gas) by changing it to a spray of tiny droplets bleeder - ANSWER-on the side of the oil pump - used to remove air from oil line cad cell - ANS...

Ch 1 Flame Retention Burner - ANSWER-An oil burner, designed to hold the flame near the nozzle surface. Strongly swirling air pattern recirculates combustion products for more complete mixing of fuel and air. Ch 1 Motor - ANSWER-Electric motor drives the fan and fuel pump. In the event of motor f...