Propane And Gas Exam Questions With
Correct Answers 2024
When .installing .a .listed .central .heating .furnaces, .and .the .installation .instructions .requires
.you .to .maintain .6" .clearance .from .the .supply .air .plenum .to .combustibles, .the .supply .air
.ducts .connecting .to .the .plenum .should .also .maintain .the .6" .clearance .for .what .minimum
.distance .from .the .plenum? .- .correct .answer.3'
Masonry .chimneys .should .be .built .and .installed .to .NFPA .code___________ .- .correct
.answer.211
What .is .the .lower .flammability .list .limit .for .natural .gas? .- .correct .answer.5%
What .is .the .minimum .clearance .to .combustible .material .for .a .type .l .clothes .dryer? .-
.correct .answer.6"
When .installing .an .unlisted .central .heating .furnace, .and .the .limit .control .has .a .maximum
.setting .of .250 .degrees, .the .clearance .from .the .supply .air .plenum .to .combustibles .is
.________ .inches, .and .the .supply .air .ducts .connecting .to .the .plenum .should .also
.maintain .the .same .clearance .for .what .minimum .distance .from .the .plenum?__________
.Feet .- .correct .answer.6, .3
When .a .masonry .chimney .is .lined .with .a .gas .vent .(B .Vent) .a .label .is .required .at .the .point
.where .vent .enters .the .chimney? .True .or .False .- .correct .answer.True
Above .what .roof .height .does .the .code .call .for .an .indoor .means .of .access .for .rooftop
.located .units? .- .correct .answer.15 .ft
When .using .# .12 .NM .cable .in .an .unfinished .basement .and .the .cable .is .run .at .an .angle
.with .the .floor .joists, .the .cable .may .be .supported .by .stapling .and .securing .to .the .lower
.edge .of .the .joists. .True .& .False .- .correct .answer.True
A .pressure .switch .installed .by .the .manufacturer .and .specified .by .the .manufacturer .as
.low-water .protection .shall .be .accepted .as .meeting .the .low .water .cutoff .requirement .in .the
.state .of .Maine. .True .& .False .- .correct .answer.True
, Air .is .made .up .of .approximately ._______% .oxygen .and .__________ .% .nitrogen .- .correct
.answer.20, .80
Masonry .chimneys .should .be .built .and .installed .to .NFPA________ .- .correct .answer.211
The .bottom .of .the .vent .terminal .an .air .intake .for .a .through .the .wall .direct .vent .terminal .of
.60,000 .BTUH .appliance .must .be .located .not .less .than .__________ .inches .above
.finished .ground .level. .- .correct .answer.12
When .combining .spaces .to .meet .the .required .volume .for .combustion .and .ventilation
.what .are .the .rules .for .openings .connecting .the .spaces:
On .the .Same .Story .__________________________
On .Different .Stories .________________________ .- .correct .answer.On .the .Same .Story:
.Opening .shall .have .the .minimum .of .1 .square .inch .per .1000 .BTUH
On .Different .Stories: .Opening .shall .have .the .minimum .of .2 .square .inch .per .1000 .BTUH
When .installing .multiple .appliances .in .an .equipment .room .in .a .commercial .building, .How
.many .electrical .circuits .are .required .for .the .appliances?
a. .One .circuit .can .serve .all .the .appliances
b. .Each .appliance .should .have .its .own .circuit. .- .correct .answer.b. .Each .appliance .should
.have .its .own .circuit.
What .is .the .minimum .ignition .temperature .for .propane? .- .correct .answer.920 .- .1020
What .is .the .upper .flammability .limi .for .natural .gas? .________ .What .is .the .lower
.flammability .limit .for .natural .gas? .____________ .- .correct .answer.5, .15
Is .a .through .the .wall .direct .vent .terminal .for .a .category .lV .allowed .to .exit .above .a .public
.walkway? .Yes .NO .- .correct .answer.NO
When .installing .combustion .air .ducts .from .an .equipment .room .to .the .outdoors, .the
.bottom .of .the .duct .shall .be .at .least ._________ .above .the .finished .ground .level. .- .correct
.answer.12 .inches
Trade .size .3/8" .flexible .metal .conduit .being .used .to .wire .a .boiler .or .warm .air .system, .may
.be .used .in .lengths .not .greater .than .________ .ft .- .correct .answer.6
When .performing .any .service .on .a .customers .gas .system, .the .licensee .must .notify .the
.homeowner .of .any .code .violations .and .make .recommendations .to .address .them. .True .or
.False .- .correct .answer.True
Correct Answers 2024
When .installing .a .listed .central .heating .furnaces, .and .the .installation .instructions .requires
.you .to .maintain .6" .clearance .from .the .supply .air .plenum .to .combustibles, .the .supply .air
.ducts .connecting .to .the .plenum .should .also .maintain .the .6" .clearance .for .what .minimum
.distance .from .the .plenum? .- .correct .answer.3'
Masonry .chimneys .should .be .built .and .installed .to .NFPA .code___________ .- .correct
.answer.211
What .is .the .lower .flammability .list .limit .for .natural .gas? .- .correct .answer.5%
What .is .the .minimum .clearance .to .combustible .material .for .a .type .l .clothes .dryer? .-
.correct .answer.6"
When .installing .an .unlisted .central .heating .furnace, .and .the .limit .control .has .a .maximum
.setting .of .250 .degrees, .the .clearance .from .the .supply .air .plenum .to .combustibles .is
.________ .inches, .and .the .supply .air .ducts .connecting .to .the .plenum .should .also
.maintain .the .same .clearance .for .what .minimum .distance .from .the .plenum?__________
.Feet .- .correct .answer.6, .3
When .a .masonry .chimney .is .lined .with .a .gas .vent .(B .Vent) .a .label .is .required .at .the .point
.where .vent .enters .the .chimney? .True .or .False .- .correct .answer.True
Above .what .roof .height .does .the .code .call .for .an .indoor .means .of .access .for .rooftop
.located .units? .- .correct .answer.15 .ft
When .using .# .12 .NM .cable .in .an .unfinished .basement .and .the .cable .is .run .at .an .angle
.with .the .floor .joists, .the .cable .may .be .supported .by .stapling .and .securing .to .the .lower
.edge .of .the .joists. .True .& .False .- .correct .answer.True
A .pressure .switch .installed .by .the .manufacturer .and .specified .by .the .manufacturer .as
.low-water .protection .shall .be .accepted .as .meeting .the .low .water .cutoff .requirement .in .the
.state .of .Maine. .True .& .False .- .correct .answer.True
, Air .is .made .up .of .approximately ._______% .oxygen .and .__________ .% .nitrogen .- .correct
.answer.20, .80
Masonry .chimneys .should .be .built .and .installed .to .NFPA________ .- .correct .answer.211
The .bottom .of .the .vent .terminal .an .air .intake .for .a .through .the .wall .direct .vent .terminal .of
.60,000 .BTUH .appliance .must .be .located .not .less .than .__________ .inches .above
.finished .ground .level. .- .correct .answer.12
When .combining .spaces .to .meet .the .required .volume .for .combustion .and .ventilation
.what .are .the .rules .for .openings .connecting .the .spaces:
On .the .Same .Story .__________________________
On .Different .Stories .________________________ .- .correct .answer.On .the .Same .Story:
.Opening .shall .have .the .minimum .of .1 .square .inch .per .1000 .BTUH
On .Different .Stories: .Opening .shall .have .the .minimum .of .2 .square .inch .per .1000 .BTUH
When .installing .multiple .appliances .in .an .equipment .room .in .a .commercial .building, .How
.many .electrical .circuits .are .required .for .the .appliances?
a. .One .circuit .can .serve .all .the .appliances
b. .Each .appliance .should .have .its .own .circuit. .- .correct .answer.b. .Each .appliance .should
.have .its .own .circuit.
What .is .the .minimum .ignition .temperature .for .propane? .- .correct .answer.920 .- .1020
What .is .the .upper .flammability .limi .for .natural .gas? .________ .What .is .the .lower
.flammability .limit .for .natural .gas? .____________ .- .correct .answer.5, .15
Is .a .through .the .wall .direct .vent .terminal .for .a .category .lV .allowed .to .exit .above .a .public
.walkway? .Yes .NO .- .correct .answer.NO
When .installing .combustion .air .ducts .from .an .equipment .room .to .the .outdoors, .the
.bottom .of .the .duct .shall .be .at .least ._________ .above .the .finished .ground .level. .- .correct
.answer.12 .inches
Trade .size .3/8" .flexible .metal .conduit .being .used .to .wire .a .boiler .or .warm .air .system, .may
.be .used .in .lengths .not .greater .than .________ .ft .- .correct .answer.6
When .performing .any .service .on .a .customers .gas .system, .the .licensee .must .notify .the
.homeowner .of .any .code .violations .and .make .recommendations .to .address .them. .True .or
.False .- .correct .answer.True
