Mass. Oil Burner Test Study
Guide Questions and Answers
100% PASS
oil is a hydrocarbon;—ANSWER-85% carbon and 15% hydrogen
what is the minimum size of an oil tank vent—ANSWER-1 1/4
what must be done to oil lines that come in contact with earth or cement—
ANSWER-protective sleeve extending 4 inches from each side or OSV
true or false lower the carbon dioxide higher the efficiency—ANSWER-false
who is the licensing authority for oil burner techs—ANSWER-mass dept of
public safety and dept of fire services
who is the enforcing authority for oil burner techs—ANSWER-local head of
fire dept
dept of public safety
division of fire services
fire marshal's office
what are the 4 jobs a fuel uni does—ANSWER-provides a positive cutoff
, provides constant pressure
provides vacuum
strains and filters
what is the difference between single stage and two stage fuel unit—
ANSWER-single- one set of gears that does suction and pressure
two- one single gear that does suction and pressure
where is the pressure adjusting screw located on the fuel pump—ANSWER-
opposite side of the nozzle port
if my calculated vacuum is 10" Hg what pump/piping configuration would
you use—ANSWER-2 pipe 2 stage
what are the 4 jobs of a nozzle—ANSWER-filters
atomizes
patterns
shapes the flame
all nozzles are rated at ___ psi—ANSWER-100
when oil pressure goes up nozzle flow rate goes ___—ANSWER-up
what are the 3 nozzle patterns—ANSWER-hollow
solid
semi-solid
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law, Copyrighted By Katelyn Whitman
Guide Questions and Answers
100% PASS
oil is a hydrocarbon;—ANSWER-85% carbon and 15% hydrogen
what is the minimum size of an oil tank vent—ANSWER-1 1/4
what must be done to oil lines that come in contact with earth or cement—
ANSWER-protective sleeve extending 4 inches from each side or OSV
true or false lower the carbon dioxide higher the efficiency—ANSWER-false
who is the licensing authority for oil burner techs—ANSWER-mass dept of
public safety and dept of fire services
who is the enforcing authority for oil burner techs—ANSWER-local head of
fire dept
dept of public safety
division of fire services
fire marshal's office
what are the 4 jobs a fuel uni does—ANSWER-provides a positive cutoff
, provides constant pressure
provides vacuum
strains and filters
what is the difference between single stage and two stage fuel unit—
ANSWER-single- one set of gears that does suction and pressure
two- one single gear that does suction and pressure
where is the pressure adjusting screw located on the fuel pump—ANSWER-
opposite side of the nozzle port
if my calculated vacuum is 10" Hg what pump/piping configuration would
you use—ANSWER-2 pipe 2 stage
what are the 4 jobs of a nozzle—ANSWER-filters
atomizes
patterns
shapes the flame
all nozzles are rated at ___ psi—ANSWER-100
when oil pressure goes up nozzle flow rate goes ___—ANSWER-up
what are the 3 nozzle patterns—ANSWER-hollow
solid
semi-solid
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law, Copyrighted By Katelyn Whitman
