Journeyman Oil Maine Questions and Answers A+ Graded (2025).

Journeyman Oil Maine Questions
and Answers A+ Graded (2025)




What .must .you .do .if .you .notice .code .violations .in .a .homeowners .house? .-
.CORRECT .ANSWER-Notify .them .and .recommend .ways .to .address .them


What .must .be .done .when .performing .an .annual .tune-up .on .a .heating .system? .-
.CORRECT .ANSWER-A .combustion .efficiency .test .and .a .copy .must .be .posted .on
.site


Whenever .a .furnace, .direct .fired .hot .water .heater, .or .boiler .is .installed .the .total
.installation .must .be .brought .into .compliance .with .what .requirements .BEFORE

.appliance .can .be .fired? .- .CORRECT .ANSWER-NFPA .31


When .an .emergency .arises .that .does .not .allow .adequate .time .to .get .a .chimney
.lined/and .or .repaired .before .installing .the .new .heating .appliance .the .licensee
.may .defer .the .required .repairs .for .how .long? .- .CORRECT .ANSWER-90 .days


What .must .be .performed .before .a .new .installation? .- .CORRECT .ANSWER-A .heat
.loss .system .design .and .load .calculation. .A .copy . must .be .retained .to .be
.presented .upon .request .of .board .inspector


All .oil .fired .BOILERS .must .be .provided .with .a .properly .installed .and .operating
.what? .- .CORRECT .ANSWER-Low .Water .cut .off


Where .shall .a .low .water .cutoff .be .installed? .- .CORRECT .ANSWER-At .the .level
.recommended .by .the .manufacture, .but .in . no .case .below .the .crown .sheet


If .the .low .water .cut .off .is .not .installed .directly .in .the .boiler .where .may .it .be
.installed? .- .CORRECT .ANSWER-Main .supply .line .(vertical .riser) .as .close .to
.boiler .as .possible, .or .in .a .water .column .of .continuous .piping .attached .directly
.to .the .boiler


A .listed .lever .or .wheel .thermally .operated .oil .shut .off .valve .must .be .installed
.where? .- .CORRECT .ANSWER-At .the .burner .and .the .oil .supply .tank

, When .outside .tanks .are .used .a .thermally .operated .shut .off .valve .must .be
.installed .where? .- .CORRECT .ANSWER-The .supply .line .enters .the .inside .of .the
.building .and .where .the .oil .line .enters .the . room .where .the .appliance .is .located


When .inside .tanks .are .used .and .the .oil .supply .tank .is .installed .in .a .separate
.room, .a .thermally .shutoff .valve .must .be .installed .where? .- .CORRECT .ANSWER-
Where .the .line .enters .the .room .where .the .appliance .is .located

Whenever .the .oil .supply .is .taken .from .the .top .of .an .oil .tank .a .thermally .operated
.wheel .or .lever .type .shut-off .valve .must .be .installed .where? .- .CORRECT
.ANSWER-At .the .tank .and .at .the .burner


What .may .be .installed .in .the .supply .line .but .not .a .return .line? .- .CORRECT
.ANSWER-A .check .valve


All .copper .oil .supply .and .return .lines .must .be .encased .in .a .continuous .piece .of
.no .metallic .liquid .tight .conduit .such .as .PVC, .ENT, .coated .copper .tubing. .The

.end .of .the .conduit .shall .not .exceed .how .far .from .any .connection .except .the
.connection .at .fuel .tank? .- .CORRECT .ANSWER-2 .inches


In .order .to .avoid .undetected .oil .leaks .under .floors, .the .conduit .must .be .how
.much .bigger .than .the .supply .and .return .lines? .- .CORRECT .ANSWER-One .pipe
.size .larger


An .oil .supply .line .that .penetrates .a .foundation .wall .must .be .what? .- .CORRECT
.ANSWER-Sealed


What .must .coated .copper .tubing .have .installed .at .the .tank .when .used
.underground? .- .CORRECT .ANSWER-Oils . Safety .Valve .or . PRV


When .an .oil .filter .or .other .accessory .equipment .is .connected .to .a .copper .piping
.smaller .than .3/4 ."and .is .not .directly .connected .to .the .oil .tank .or .burner .the .filter
.or .other .device .must .be .what? .- .CORRECT .ANSWER-Rigidly .supported .by .wall

.or .floor .mounted .brackets


What .must .supply .and .return .lines .be .connected .with? .- .CORRECT .ANSWER-
Flare .fittings

What .fittings .shall .not .be .used .unless .for .introduction .of .lines .at .top .of .the .tank
.with .a .single .or .double .tap .bushing? .- .CORRECT .ANSWER-Compression .fittings


All .connections .of .supply .or .return .oil .lines .located .outside .must .be .made .with
.what? .- .CORRECT .ANSWER-Flare .frost .fittings


Manholes .16 .inches .in .diameter .or .larger .must .be .installed .in .the .top .of .all .tanks
.over .what? .- .CORRECT .ANSWER-5,000 .gallons .or .more


All .fuel .oil .supply .tanks .must .be .a .minimum .of .how .many .feet .from .any .gas .or
.solid .fuel .burning .appliance? .- .CORRECT .ANSWER-5 .feet