Nccer Instrument Tech Test Questions
And Answers
Whatis bthe bfirst bstep bin btroubleshooting ba bproblem bin ba bsystem? b- bcorrect
banswers✔✔Verify bthat bthere bis ba bproblem
Where bcan bthe bappropriate belevation bof ban binstrument bbe bfound? b- bcorrect
banswers✔✔Location bdrawing
Chemical bcleaning bof btubing battached bto binstruments bmay bcause bdamage bto
bsensor b- bcorrect banswers✔✔Elements/
When bmaking b90-degree btubing bbend, ballowance bfor bspringback bshould bbe: b-
bcorrect banswers✔✔1 bto b3 bdegrees
an bacceptable btool bgor bmarking b360 bdegrees baround bthe boutside bot btubing bIs ba: b-
bcorrect banswers✔✔Ferrule
What bprocess bvariable bis bdefined bas bthe bamount bof bforce bexerted bby ba bsubstance
bover ba bgiven bunit bof bmeasure? b- bcorrect banswers✔✔Pressure
Blorage bof bstadl bwool bcan bbe bconsidered ba bfire bhazard bwhen bstored baround b-
bcorrect banswers✔✔Batterles/
The bMINIMUM bvalue bof bthe bmeasured bprocess brange bis bconsidered bto bbe: b-
bcorrect banswers✔✔3psi band b4ma
bubbler bsystem bis bused bto bmeasure: b- bcorrect banswers✔✔Head bpressure
To bprevent btravel bdamage bto ba blimit bswitch, buse ba(n) b- bcorrect
banswers✔✔Mechanical bstop/
When busing bsoft brolled btubing, bit bmust bbe bunrolled band bstraightened: b- bcorrect
banswers✔✔By bhand
Where bwould ban binstrument bfitter bfind bthe bPROPER bmethod bto bconnect ban
binstrument bto ba bprocess btap? b- bcorrect banswers✔✔On ban binstallation bdetail
, A bstrain bgauge bmeasures bthe bexternal bforce bapplied bto ba bfine bwire bby bcausing ba
bchange bin b- bcorrect banswers✔✔Resistance
Which bof bthe bfollowing bpurging bgases bshould bbe bavoided bfor buse bwith
bhydrocarbons? b- bcorrect banswers✔✔Oxygen
A bdifferential bpressure btransmitter bmounted bon ba bnon-vented bvessel bis bused bto
bmeasure bthe b- bcorrect banswers✔✔Density bof bthe bproduct bin bthe bvessel?
Convert bthe blength b2' b10-3/4" bto bits bdecimal bequivalent b(in bfeet). b- bcorrect
banswers✔✔2.896
Flow bcan bbe bdescribed bin bunits bof ball bof bthe bfollowing bEXCEPT: b- bcorrect
banswers✔✔Density
When bpressure btesting, bthe brequired bdocumentation bincludes: b- bcorrect
banswers✔✔Temperature, bpressure, band btest bmedium
The bMOST bcommon bmethod bused bto bmeasure bthe bflow bof bliguid bin ba bpipe bis bto
bintroduce ba brestriction bIn bthe bpip band bmeasure bthe: b- bcorrect banswers✔✔Velocity
Afteria bbend bis bcompleted, ball btubing bwill bexhibit; b- bcorrect banswers✔✔Springback
What bvalve, bREQUIRES ba b90-degree bturn bto boperate bthe bvalve b100% bopen bor
bclosed? b- bcorrect banswers✔✔Ball bvalve/
Where bis bthe bdrain bwire bterminaled bin binstrument bsystem? b- bcorrect banswers✔✔At
bthe bcontrol bcabinet.
une bpart bona bcontro bvaive bthat bcontrois bthe bplug bproportionally bto bthe boutput bor
bthe bcontroller bis bthe: b- bcorrect banswers✔✔Valve bpositioner
What btype bof bliquid bis bused bfor bdegreasing belectronic bequipment? b- bcorrect
banswers✔✔Isopropyl balcohol
The bhigh bpressure bgas bline bhas ba blarge bself-operated bregulator. bInlet bpressure bis
b300psi; bOutlet bpressure bis b100psi.
The bregulator bis bsluggish bduring bload bchanges. bWhat bis bthe bfirst bstep bto bimprove
bthe boperation bof bthe bregulator? b- bcorrect banswers✔✔Lower bthe binlet bpressure
paring bacid bcleaning ba btubing brun bafter binstallation bit bis bvery bimportant bto b-
bcorrect banswers✔✔Drain blow bpoints
On ba bfield bmounted bcontroller, bthe bsetpoint bis bchanged: b- bcorrect
banswers✔✔Manually
And Answers
Whatis bthe bfirst bstep bin btroubleshooting ba bproblem bin ba bsystem? b- bcorrect
banswers✔✔Verify bthat bthere bis ba bproblem
Where bcan bthe bappropriate belevation bof ban binstrument bbe bfound? b- bcorrect
banswers✔✔Location bdrawing
Chemical bcleaning bof btubing battached bto binstruments bmay bcause bdamage bto
bsensor b- bcorrect banswers✔✔Elements/
When bmaking b90-degree btubing bbend, ballowance bfor bspringback bshould bbe: b-
bcorrect banswers✔✔1 bto b3 bdegrees
an bacceptable btool bgor bmarking b360 bdegrees baround bthe boutside bot btubing bIs ba: b-
bcorrect banswers✔✔Ferrule
What bprocess bvariable bis bdefined bas bthe bamount bof bforce bexerted bby ba bsubstance
bover ba bgiven bunit bof bmeasure? b- bcorrect banswers✔✔Pressure
Blorage bof bstadl bwool bcan bbe bconsidered ba bfire bhazard bwhen bstored baround b-
bcorrect banswers✔✔Batterles/
The bMINIMUM bvalue bof bthe bmeasured bprocess brange bis bconsidered bto bbe: b-
bcorrect banswers✔✔3psi band b4ma
bubbler bsystem bis bused bto bmeasure: b- bcorrect banswers✔✔Head bpressure
To bprevent btravel bdamage bto ba blimit bswitch, buse ba(n) b- bcorrect
banswers✔✔Mechanical bstop/
When busing bsoft brolled btubing, bit bmust bbe bunrolled band bstraightened: b- bcorrect
banswers✔✔By bhand
Where bwould ban binstrument bfitter bfind bthe bPROPER bmethod bto bconnect ban
binstrument bto ba bprocess btap? b- bcorrect banswers✔✔On ban binstallation bdetail
, A bstrain bgauge bmeasures bthe bexternal bforce bapplied bto ba bfine bwire bby bcausing ba
bchange bin b- bcorrect banswers✔✔Resistance
Which bof bthe bfollowing bpurging bgases bshould bbe bavoided bfor buse bwith
bhydrocarbons? b- bcorrect banswers✔✔Oxygen
A bdifferential bpressure btransmitter bmounted bon ba bnon-vented bvessel bis bused bto
bmeasure bthe b- bcorrect banswers✔✔Density bof bthe bproduct bin bthe bvessel?
Convert bthe blength b2' b10-3/4" bto bits bdecimal bequivalent b(in bfeet). b- bcorrect
banswers✔✔2.896
Flow bcan bbe bdescribed bin bunits bof ball bof bthe bfollowing bEXCEPT: b- bcorrect
banswers✔✔Density
When bpressure btesting, bthe brequired bdocumentation bincludes: b- bcorrect
banswers✔✔Temperature, bpressure, band btest bmedium
The bMOST bcommon bmethod bused bto bmeasure bthe bflow bof bliguid bin ba bpipe bis bto
bintroduce ba brestriction bIn bthe bpip band bmeasure bthe: b- bcorrect banswers✔✔Velocity
Afteria bbend bis bcompleted, ball btubing bwill bexhibit; b- bcorrect banswers✔✔Springback
What bvalve, bREQUIRES ba b90-degree bturn bto boperate bthe bvalve b100% bopen bor
bclosed? b- bcorrect banswers✔✔Ball bvalve/
Where bis bthe bdrain bwire bterminaled bin binstrument bsystem? b- bcorrect banswers✔✔At
bthe bcontrol bcabinet.
une bpart bona bcontro bvaive bthat bcontrois bthe bplug bproportionally bto bthe boutput bor
bthe bcontroller bis bthe: b- bcorrect banswers✔✔Valve bpositioner
What btype bof bliquid bis bused bfor bdegreasing belectronic bequipment? b- bcorrect
banswers✔✔Isopropyl balcohol
The bhigh bpressure bgas bline bhas ba blarge bself-operated bregulator. bInlet bpressure bis
b300psi; bOutlet bpressure bis b100psi.
The bregulator bis bsluggish bduring bload bchanges. bWhat bis bthe bfirst bstep bto bimprove
bthe boperation bof bthe bregulator? b- bcorrect banswers✔✔Lower bthe binlet bpressure
paring bacid bcleaning ba btubing brun bafter binstallation bit bis bvery bimportant bto b-
bcorrect banswers✔✔Drain blow bpoints
On ba bfield bmounted bcontroller, bthe bsetpoint bis bchanged: b- bcorrect
banswers✔✔Manually
