Oil tech test Questions and All Correct
Answers 2026 Updated.
whats a good definition for viscosity - Answer viscosity is resistance to flow
whats the flash point of number 2 heating fuel - Answer 115 degrees
whats the pour point of number 2 heating fuel - Answer 17 degress Fahrenheit
what is a btu - Answer the amount of energy to raise one pound of water one degree
fairenheit
choose the formula used to determine the cubic foot of air required for proper combustion -
Answer GPHx1540x 1.25 =
what would u do if you had a capacitor start motor that would not run - Answer replace the
fuse
for a furnace what speed should the multi speed blower mottor be wired - Answer high
speed
the determines the nozzle angles used - Answer air pattern and size and shape
what is the position of the blast tube in the chamber - Answer 1/4" behind the chamber face
how is an oil burner control circuit wired - Answer in series
L1 means what in electrical wiring - Answer hot or line voltage
what does L2 mean in a 115 volt circuit - Answer netural
what is a minimum temp that a stack switch will work - Answer 300
what is the main purpose of a primary control - Answer prove presence or absence of a flame
, safety timing on a stack relay can be checked by removing wire from terminal #3 - Answer
true
whats the maxximum lockout time when firing a 3.00 gph nozzle - Answer 45 seconds
what is the minimum distance for an oil vent from any window or door - Answer 24 inches
whats the smallest diameter vent pipe used for an oil supply tank larger than a 10 gallon
capacity - Answer 1 1/4"
what does #2 oil consist of - Answer 85% carbon 15% Hydrogen
a power vent must be how far away from an isnide corner - Answer 3 feet
name two types of oil pumps - Answer two stage and single stage
whats the maxximum recommended lift for a single stage pump - Answer 6iches of vaccum
name 2 causes of oil after drip - Answer air in draw assembly oil pump cutoff no good
what is the required floor space for a burner firing up to gph - Answer 80 square inches/gal
name two types of draft - Answer natural and mechanical
what is the fuse size on a burner - Answer 15 amp
what size wire is used on an oil burner circuit - Answer 22 gauge
the heat anticipator setting on a t-stat for a taco zone valve is what - Answer .9 amps
when does a steam boiler require 2 lower water cutoffs - Answer when larger than 400,000
BTU
on a cold steam system where should the water level in the sight glass be - Answer 1/2 from
bottom
Answers 2026 Updated.
whats a good definition for viscosity - Answer viscosity is resistance to flow
whats the flash point of number 2 heating fuel - Answer 115 degrees
whats the pour point of number 2 heating fuel - Answer 17 degress Fahrenheit
what is a btu - Answer the amount of energy to raise one pound of water one degree
fairenheit
choose the formula used to determine the cubic foot of air required for proper combustion -
Answer GPHx1540x 1.25 =
what would u do if you had a capacitor start motor that would not run - Answer replace the
fuse
for a furnace what speed should the multi speed blower mottor be wired - Answer high
speed
the determines the nozzle angles used - Answer air pattern and size and shape
what is the position of the blast tube in the chamber - Answer 1/4" behind the chamber face
how is an oil burner control circuit wired - Answer in series
L1 means what in electrical wiring - Answer hot or line voltage
what does L2 mean in a 115 volt circuit - Answer netural
what is a minimum temp that a stack switch will work - Answer 300
what is the main purpose of a primary control - Answer prove presence or absence of a flame
, safety timing on a stack relay can be checked by removing wire from terminal #3 - Answer
true
whats the maxximum lockout time when firing a 3.00 gph nozzle - Answer 45 seconds
what is the minimum distance for an oil vent from any window or door - Answer 24 inches
whats the smallest diameter vent pipe used for an oil supply tank larger than a 10 gallon
capacity - Answer 1 1/4"
what does #2 oil consist of - Answer 85% carbon 15% Hydrogen
a power vent must be how far away from an isnide corner - Answer 3 feet
name two types of oil pumps - Answer two stage and single stage
whats the maxximum recommended lift for a single stage pump - Answer 6iches of vaccum
name 2 causes of oil after drip - Answer air in draw assembly oil pump cutoff no good
what is the required floor space for a burner firing up to gph - Answer 80 square inches/gal
name two types of draft - Answer natural and mechanical
what is the fuse size on a burner - Answer 15 amp
what size wire is used on an oil burner circuit - Answer 22 gauge
the heat anticipator setting on a t-stat for a taco zone valve is what - Answer .9 amps
when does a steam boiler require 2 lower water cutoffs - Answer when larger than 400,000
BTU
on a cold steam system where should the water level in the sight glass be - Answer 1/2 from
bottom
